Thematische Bibliographien / Photonic band

Auswahl der wissenschaftlichen Literatur zum Thema „Photonic band“

Autor: Grafiati
Veröffentlicht am 22. Juni 2024

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Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte
  6. Berichte der Organisationen

Zeitschriftenartikel zum Thema "Photonic band":

1

Lin, Hongtao, Zhengqian Luo, Tian Gu, Lionel C. Kimerling, Kazumi Wada, Anu Agarwal und Juejun Hu. „Mid-infrared integrated photonics on silicon: a perspective“. Nanophotonics 7, Nr. 2 (04.12.2017): 393–420. http://dx.doi.org/10.1515/nanoph-2017-0085.

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AbstractThe emergence of silicon photonics over the past two decades has established silicon as a preferred substrate platform for photonic integration. While most silicon-based photonic components have so far been realized in the near-infrared (near-IR) telecommunication bands, the mid-infrared (mid-IR, 2–20-μm wavelength) band presents a significant growth opportunity for integrated photonics. In this review, we offer our perspective on the burgeoning field of mid-IR integrated photonics on silicon. A comprehensive survey on the state-of-the-art of key photonic devices such as waveguides, light sources, modulators, and detectors is presented. Furthermore, on-chip spectroscopic chemical sensing is quantitatively analyzed as an example of mid-IR photonic system integration based on these basic building blocks, and the constituent component choices are discussed and contrasted in the context of system performance and integration technologies.
2

Tang, Liqin, Daohong Song, Shiqi Xia, Shiqiang Xia, Jina Ma, Wenchao Yan, Yi Hu, Jingjun Xu, Daniel Leykam und Zhigang Chen. „Photonic flat-band lattices and unconventional light localization“. Nanophotonics 9, Nr. 5 (01.04.2020): 1161–76. http://dx.doi.org/10.1515/nanoph-2020-0043.

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AbstractFlat-band systems have attracted considerable interest in different branches of physics in the past decades, providing a flexible platform for studying fundamental phenomena associated with completely dispersionless bands within the whole Brillouin zone. Engineered flat-band structures have now been realized in a variety of systems, in particular, in the field of photonics. Flat-band localization, as an important phenomenon in solid-state physics, is fundamentally interesting in the exploration of exotic ground-state properties of many-body systems. However, direct observation of some flat-band phenomena is highly nontrivial in conventional condensed-matter systems because of intrinsic limitations. In this article, we briefly review recent developments on flat-band localization and the associated phenomena in various photonic lattices, including compact localized states, unconventional line states, and noncontractible loop states. We show that the photonic lattices offer a convenient platform for probing the underlying physics of flat-band systems, which may provide inspiration for exploring the fundamentals and applications of flat-band physics in other structured media from metamaterials to nanophotonic materials.
3

Christensen, Thomas, Charlotte Loh, Stjepan Picek, Domagoj Jakobović, Li Jing, Sophie Fisher, Vladimir Ceperic, John D. Joannopoulos und Marin Soljačić. „Predictive and generative machine learning models for photonic crystals“. Nanophotonics 9, Nr. 13 (29.06.2020): 4183–92. http://dx.doi.org/10.1515/nanoph-2020-0197.

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AbstractThe prediction and design of photonic features have traditionally been guided by theory-driven computational methods, spanning a wide range of direct solvers and optimization techniques. Motivated by enormous advances in the field of machine learning, there has recently been a growing interest in developing complementary data-driven methods for photonics. Here, we demonstrate several predictive and generative data-driven approaches for the characterization and inverse design of photonic crystals. Concretely, we built a data set of 20,000 two-dimensional photonic crystal unit cells and their associated band structures, enabling the training of supervised learning models. Using these data set, we demonstrate a high-accuracy convolutional neural network for band structure prediction, with orders-of-magnitude speedup compared to conventional theory-driven solvers. Separately, we demonstrate an approach to high-throughput inverse design of photonic crystals via generative adversarial networks, with the design goal of substantial transverse-magnetic band gaps. Our work highlights photonic crystals as a natural application domain and test bed for the development of data-driven tools in photonics and the natural sciences.
4

Alnasser, Khadijah, Steve Kamau, Noah Hurley, Jingbiao Cui und Yuankun Lin. „Photonic Band Gaps and Resonance Modes in 2D Twisted Moiré Photonic Crystal“. Photonics 8, Nr. 10 (23.09.2021): 408. http://dx.doi.org/10.3390/photonics8100408.

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The study of twisted bilayer 2D materials has revealed many interesting physics properties. A twisted moiré photonic crystal is an optical analog of twisted bilayer 2D materials. The optical properties in twisted photonic crystals have not yet been fully elucidated. In this paper, we generate 2D twisted moiré photonic crystals without physical rotation and simulate their photonic band gaps in photonic crystals formed at different twisted angles, different gradient levels, and different dielectric filling factors. At certain gradient levels, interface modes appear within the photonic band gap. The simulation reveals “tic tac toe”-like and “traffic circle”-like modes as well as ring resonance modes. These interesting discoveries in 2D twisted moiré photonic crystal may lead toward its application in integrated photonics.
5

Pan, Jinghan, Meicheng Fu, Wenjun Yi, Xiaochun Wang, Ju Liu, Mengjun Zhu, Junli Qi et al. „Improving Low-Dispersion Bandwidth of the Silicon Photonic Crystal Waveguides for Ultrafast Integrated Photonics“. Photonics 8, Nr. 4 (06.04.2021): 105. http://dx.doi.org/10.3390/photonics8040105.

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We design a novel slow-light silicon photonic crystal waveguide which can operate over an extremely wide flat band for ultrafast integrated nonlinear photonics. By conveniently adjusting the radii and positions of the second air-holes rows, a flat slow-light low-dispersion band of 50 nm is achieved numerically. Such a slow-light photonic crystal waveguide with large flat low-dispersion wideband will pave the way for governing the femtosecond pulses in integrated nonlinear photonic platforms based on CMOS technology.
6

SUMMERS, C. J., E. GRAUGNARD, D. P. GAILLOT, T. YAMASHITA, C. W. NEFF und J. BLAIR. „TUNING OF PHOTONIC CRYSTAL BAND PROPERTIES BY ATOMIC LAYER DEPOSITION“. Journal of Nonlinear Optical Physics & Materials 17, Nr. 01 (März 2008): 1–14. http://dx.doi.org/10.1142/s021886350800397x.

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We report the application of atomic layer deposition to manipulate the dielectric architecture of conventional and superlattice two-dimensional photonic crystal waveguides fabricated in silicon. Conformal deposition of a second dielectric layer is shown to have a dramatic influence on the photonic band structure and produces unique effects that cannot be emulated in a single dielectric slab photonic crystal material. With additional dielectric coatings, a strong decrease in photonic band frequencies and change in band slope are observed, which for the lowest photonic states produces strong degeneracies. The capability, in principle, to tune the position of bands to within 0.005% accuracy, is demonstrated. Additionally, new features are observed when differential band shifts result in band-crossing and for which like polarizations activate perturbation mechanisms that result in local and strong band curvatures. The extremely strong band bending resulting from band-band interactions could have applications, in slow light devices, and provide a way to introduce non-linear effects into tunable photonic crystal structures.
7

Lan, Wenze, Peng Fu, Chang-Yin Ji, Gang Wang, Yugui Yao, Changzhi Gu und Baoli Liu. „Visualization of photonic band structures via far-field measurements in SiNx photonic crystal slabs“. Applied Physics Letters 122, Nr. 15 (10.04.2023): 151102. http://dx.doi.org/10.1063/5.0149529.

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Band structures of the photonic crystal slabs play a significant role in manipulating the flow of light and predicting exotic physics in photonics. In this Letter, we show that the key features of photonic band structures can be achieved experimentally by the polarization- and momentum-resolved photoluminescence spectroscopy utilizing the light emission properties of SiN x. The two-dimensional spectra clearly reveal the energy-momentum dispersion of band structures, which is in perfect agreement with the simulation results. The isofrequency contours can be measured easily by adding a bandpass filter with a desired photon energy. Furthermore, it is convenient to observe clearly and directly the optical singularity—the optical bound states in the continuum featured by dark point in three-dimensional photoluminescence spectra. The polarization-resolved isofrequency contours clearly show that this dark point is the center of an azimuthally polarized vortex. Finally, the helical topological edge states can be easily observed in photonic topological insulators with deformed hexagonal lattices. Our work provides a simple and effective approach for exploring topological photonics and other intriguing phenomena hidden in the photonic crystal slabs.
8

Strekalov, Dmitry, Ninoslav Majurec, Andrey Matsko, Vladimir Ilchenko, Simone Tanelli und Razi Ahmed. „W-Band Photonic Receiver for Compact Cloud Radars“. Sensors 22, Nr. 3 (21.01.2022): 804. http://dx.doi.org/10.3390/s22030804.

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We introduce an RF-photonics receiver concept enabling the next generation of ultra-compact millimeter wave radars suitable for cloud and precipitation profiling, planetary boundary layer observations, altimetry and surface scattering measurements. The RF-photonics receiver architecture offers some compelling advantages over traditional electronic implementations, including a reduced number of components and interfaces, leading to reduced size, weight and power (SWaP), as well as lower system noise, leading to improved sensitivity. Low instrument SWaP with increased sensitivity makes this approach particularly attractive for compact space-borne radars. We study the photonic receiver front-end both analytically and numerically and predict the feasibility of the greater than unity photonic gain and lower than ambient effective noise temperature of the device. The receiver design is optimized for W-band (94 GHz) radars, which are generally assessed to be the primary means for observing clouds in the free troposphere as well as planetary boundary layer from space.
9

LIAO, JIAYAN, ZHENGWEN YANG, HANGJUN WU, SHENFENG LAI, JIANBEI QIU, ZHIGUO SONG, YONG YANG, DACHENG ZHOU und ZHAOYI YIN. „UPCONVERSION LUMINESCENCE ENHANCEMENT OF NaYF4:Yb3+, Er3+ NANOPARTICLES ON INVERSE OPAL SURFACE“. Surface Review and Letters 21, Nr. 01 (Februar 2014): 1450017. http://dx.doi.org/10.1142/s0218625x14500176.

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LaPO 4 inverse opal photonic crystals with different photonic band gaps were fabricated by template-assisted method. The Yb 3+/ Er 3+ co-doped NaYF 4 nanoparticles were deposited on the surfaces of the inverse opals, and their up-conversion emission properties were investigated. The upconversion emissions of Yb 3+/ Er 3+ co-doped NaYF 4 nanoparticles on the inverse opal surfaces have been enhanced when the upconversion emission bands of the nanoparticles are in the range of photonic band gaps of the inverse opals, which is attributed to an efficient and selective reflection of photonic band gaps.
10

Hsiao, Fu-Li, Chien-Chung Chen, Chuan-Yu Chang, Yi-Chia Huang und Ying-Pin Tsai. „The Influence of Geometric Parameters for Training an Artificial Neural Network to Predict the Band Structure of 1-D Fishbone Photonic Crystal“. Electronics 13, Nr. 7 (29.03.2024): 1285. http://dx.doi.org/10.3390/electronics13071285.

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With the rising demand for the transmission of large amounts of information over long distances, the development of integrated light circuits is the key to improving this technology, and silicon photonics have been developed with low absorption in the near-infrared range and with sophisticated fabrication techniques. To build devices that work in different functionalities, photonic crystals are one of the most used structures due to their ability to manipulate light. The investigation of photonic crystals requires the calculation of photonic band structures and is usually time-consuming work. To reduce the time spent on calculations, a trained ANN is introduced in this study to directly predict the band structures using only a minimal amount of pre-calculated band structure data. A well-used 1-D fishbone-like photonic crystal in the form of a nanobeam is used as the training target, and the influence of adjusting the geometric parameters is discussed, especially the lattice constant and the thickness of the nanobeam. To train the ANN with very few band structures, each of the mode points in the band structure is considered as a single datapoint to increase the amount of training data. The datasets are composed of various raw band structure data. The optimized ANN is introduced at the end of this manuscript.
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Zeitschriftenartikel Dissertationen Bücher

Dissertationen zum Thema "Photonic band":

1

Yi, Yasha 1974. „On-chip silicon based photonic structures : photonic band gap and quasi-photonic band gap materials“. Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/29457.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2004.
"June 2004."
Includes bibliographical references (leaves 170-180).
This thesis focuses on integrated silicon based photonic structures, photonic band gap (PBG) and quasi-photonic band gap (QPX) structures, which are based on high refractive index contrast dielectric layers and CMOS compatibility. We developed a new type of silicon waveguide - Photonic Crystal (PC) cladding waveguide is studied based on PBG principle. The refractive index in the new PC cladding waveguide core therefore has a large flexibility. Low index core (e.g. SiO2) or hollow core waveguide can be realized with our PC cladding waveguide structure. The fabrication of the waveguide is compatible to CMOS process. To demonstrate the PBG guiding mechanism, we utilized prism coupling to the Asymmetric PC cladding waveguide and the effective index of the propagation mode is measured directly. The measured effective mode index is less than both Si and Si3N4 cladding layers, which is clear demonstration of the photonic band gap guiding principle. We also fabricated and measured the PC cladding channel waveguide. Potential applications include high power transmission, low dispersion, thin cladding thickness and nonlinear properties engineering. Secondly, we developed a Si-based multi-channel optical filter with tunability, which is based on omnidirectional reflecting photonic band gap structure with a relatively large air gap defect. Using only one device, multi channel filter with tunability around two telecom wavelength 1.55[mu]m and 1.3[mu]m by electrostatic force is realized. Four widely spaced resonant modes within the photonic band gap are observed, which is in good agreement with numerical simulations.
(cont.) The whole process is compatible with current microelectronics process technology. There are several potential applications of this technology in wavelength division multiplexing (WDM) devices. Thirdly, to further extend the photonic crystal idea, we studied the quasi-photonic crystal structures and their properties, especially for the fractal photonic band gap properties and the transparent resonant transmission states. A-periodic Si/SiO2 Thue-Morse (T-M) multilayer structures have been fabricated, for the first time, to investigate both the scaling properties and the omnidirectional reflectance at the fundamental optical band-gap. Variable angle reflectance data have experimentally demonstrated a large reflectance band-gap in the optical spectrum of a T-M quasicrystal, in agreement with transfer matrix simulations. The physical origin of the T-M omnidirectional band-gap has been explained as a result of periodic spatial correlations in the complex T-M structure. The unprecedented degree of structural flexibility of T-M systems can provide an attractive alternative to photonic crystals for the fabrication of photonic devices.
by Yasha Yi.
Ph.D.
2

Almén, Fredrik. „Band structure computations for dispersive photonic crystals“. Thesis, Linköping University, Department of Science and Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-9610.

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Photonic crystals are periodic structures that offers the possibility to control the propagation of light.

The revised plane wave method has been implemented in order to compute band structures for photonic crystals. The main advantage of the revised plane wave method is that it can handle lossless dispersive materials. This can not be done with a conventional plane wave method. The computational challenge is comparable to the conventional plane wave method.

Band structures have been calculated for a square lattice of cylinders with different parameters. Both dispersive and non-dispersive materials have been studied as well as the influence of a surface roughness.

A small surface roughness does not affect the band structure, whereas larger inhomogeneities affect the higher bands by lowering their frequencies.

3

Castiglicone, Dario Calogero. „Block copolymer based photonic band gap materials“. Thesis, University of Reading, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501328.

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A photonic crystal is any material which exhibits a photonic band gap (PBG) and is comprised of a periodic arrangement of alternating layers of different dielectric constant. It has been found recently that an interesting route to approach such materials is via the synthesis of block copolymers which are able to microphase separate. This thesis describes the synthetic methods, in particular anionic polymerization, used to prepare such copolymers which exhibit photonic properties in the visible region of the electromagnetic spectrum.
4

Maldovan, Martin. „Exploring for new photonic band gap structures“. Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/30121.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2004.
Includes bibliographical references (leaves 103-104).
In the infinite set of possible photonic band gap structures there are no simple rules to serve as a guide in the search for optimal designs. The existence and characteristics of photonic band gaps depend on such factors as dielectric contrast, volume fraction, symmetry and connectivity of the dielectric structure. In this thesis a large set of photonic structures are developed to help understand the nature of the dependencies and provide a platform for easy fabrication of three-dimensional structures with large complete photonic band gaps. Two approaches for accessing new structures are examined. A systematic method based on crystallography to search for photonic band gap structures is established in this thesis. A search within the FCC space groups is undertaken resulting in the discovery of two new photonic band gap structures. Specific structures found in self-organizing systems, the single P, the single G, and single D structures, are shown to possess large photonic band gaps. Design guidelines to fabricate these structures by interference lithography are given. A layer-by-layer approximation of the single D structure amenable to fabrication by conventional semiconductor fabrication techniques is proposed. A second technique for obtaining photonic band gap structures with different topologies is based on the splitting of nodes in the diamond network. The realization of these structures using block copolymer self assembly and layer-by-layer lithographic technique are briefly examined.
by Martin Maldovan.
Ph.D.
5

Yamashita, Tsuyoshi. „Unraveling photonic bands : characterization of self-collimation in two-dimensional photonic crystals“. Diss., Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-06072005-104606/.

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Thesis (Ph. D.)--School of Materials Science and Engineering, Georgia Institute of Technology, 2006.
Summers, Christopher, Committee Chair ; Chang, Gee-Kung, Committee Member ; Carter, Brent, Committee Member ; Wang, Zhong Lin, Committee Member ; Meindl, James, Committee Member ; Li, Mo, Committee Member.
6

Burr, Justin R. „Degenerate Band Edge Resonators in Silicon Photonics“. The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1449233730.

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7

Lancaster, Greg A. „A Tunable Electromagnetic Band-gap Microstrip Filter“. DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/952.

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In high frequency design, harmonic suppression is a persistent struggle. Non-linear devices such as switches and amplifiers produce unwanted harmonics which may interfere with other frequency bands. Filtering is a widely accepted solution, however there are various shortcomings involved. Suppressing multiple harmonics, if desired, with traditional lumped element and distributed component band-stop filters requires using multiple filters. These topologies are not easily made tunable either. A new filter topology is investigated called Electromagnetic Band-Gap (EBG) structures. EBG structures have recently gained the interest of microwave designers due to their periodic nature which prohibits the propagation of certain frequency bands. EBG structures exhibit characteristics similar to that of a band-stop filter, but in periodically repeating intervals making it ideal for harmonic suppression. The band-gap frequency of an EBG structure may be varied by altering the periodicity of the structure. However, EBG materials are generally static in structure making tuning a challenge. In this thesis, a novel solution for tuning the band-gap properties of an EBG structure is investigated. Designs aimed to improve upon existing solutions are reached. These designs involve acoustic and mechanical tuning methods. Performance is simulated using Agilent’s Advanced Design System (ADS) and a device is constructed and evaluated. Comparing all measured test cases to simulation, band-gap center frequency error is on average 4.44% and absolute band-gap rejection error is 1.358 dB.
8

Whitehead, Debra Elayne. „Photonic band gap systems based on synthetic opals“. Thesis, University of Salford, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402126.

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9

Nanni, Emilio A. (Emilio Alessandro). „A 250 GHz photonic band gap gyrotron amplifier“. Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/82364.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2013.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 191-206).
This thesis reports the theoretical and experimental investigation of a novel gyrotron traveling-wave-tube (TWT) amplifier at 250 GHz. The gyrotron amplifier designed and tested in this thesis has achieved a peak small signal gain of 38 dB at 247.7 GHz, with a 32 kV, 0.35 A electron beam and a 8.9 T magnetic field. The instantaneous -3 dB bandwidth of the amplifier at peak gain is 0.4 GHz. A peak output power of 45 W has been measured. The output power is not saturated but is limited by the 7.5 mW of available input power. The amplifier can be tuned for operation from 245- 256 GHz. With a gain of 24 dB and centered at 253.25 GHz the widest instantaneous -3 dB bandwidth of 4.5 GHz was observed for a 19 kV, 0.305 A electron beam. To achieve stable operation at these high frequencies, the amplifier uses a novel photonic band gap (PBG) interaction circuit. The PBG interaction circuit confines the TE₀₃-like mode which couples strongly to the electron beam. The PBG circuit provides stability from oscillations by supporting the propagation of TE modes in a narrow range of frequencies, allowing for the confinement of the operating TE₀₃-like mode while rejecting the excitation of oscillations at lower frequencies. Experimental results taken over a wide range of parameters, 15-30 kV and 0.25-0.5 A, show good agreement with a theoretical model. The theoretical model incorporates cold test measurements for the transmission line, input coupler, PBG waveguide and mode converter. This experiment achieved the highest frequency of operation (250 GHz) for a gyrotron amplifier. At present, there are no other amplifiers in this frequency range that are capable of producing either high gain or high-output power. With 38 dB of gain and 45 W this is also the highest gain observed above 94 GHz and the highest output power achieved above 140 GHz by any conventional-voltage vacuum electron device based amplifier. The output power, output beam pattern, instantaneous bandwidth, spectral purity and shot-to-shot stability of the amplified pulse meet the basic requirements for the implementation of this device on a pulsed dynamic nuclear polarization (DNP) nuclear magnetic resonance (NMR) spectrometer.
by Emilio A. Nanni.
Ph.D.
10

Smirnova, Evgenya I. „Novel photonic band gap structures for accelerator applications“. Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/32294.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2005.
"June 2005."
Includes bibliographical references (p. 181-184).
In this thesis I present the design and experimental demonstration of the first photonic band gap (PBG) accelerator at 17.140 GHz. A photonic band gap structure is a one-, two- or three-dimensional periodic metallic and/or dielectric system (for example, of rods), which acts like a filter, reflecting rf fields in some frequency range and allowing rf fields at other frequencies to transmit through. Metal PBG structures are attractive for the Ku-band accelerators, because they can be employed to suppress wakefields. Wakefields are unwanted modes affecting the beam propagation or even destroying the beam. Suppression of wakefields is important. In this thesis, the theory of metallic PBG structures is explained and the Photonic Band Gap Structure Simulator (PBGSS) code is presented. PBGSS code was well benchmarked and the ways to'benchmark the code are described. Next, the concept of a PBG resonator is introduced. PBG resonators were modelled with Ansoft HFSS code, and a single-mode PBG resonator was designed. The HFSS design of a travelling-wave multi- cell PBG structure was performed. The multicell structure was built, cold-tested and tuned. Finally, the hot-test PBG accelerator demonstration was performed at the accelerator laboratory. The PBG accelerating structure was installed inside a vacuum chamber on the Haimson Research Corporation (HRC) accelerator beam line and powered with 2 MW from the HRC klystron. The electron bunches were produced by the HRC accelerator. The electron beam was accelerated by 1.4 MeV inside the PBG structure.
by Evgenya I. Smirnova.
Ph.D.
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Bücher zum Thema "Photonic band":

1

Soukoulis, Costas M., Hrsg. Photonic Band Gap Materials. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1665-4.

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2

Soukoulis, C. M. Photonic Band Gap Materials. Dordrecht: Springer Netherlands, 1996.

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3

M, Soukoulis C., North Atlantic Treaty Organization. Scientific Affairs Division. und NATO Advanced Study Institute on Photonic Band Gap Materials (1995 : Eloúnda, Greece), Hrsg. Photonic band gap materials. Dordrecht: Kluwer Academic Publishers, 1996.

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4

Soukoulis, C. M., Hrsg. Photonic Band Gaps and Localization. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4899-1606-8.

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5

M, Soukoulis C., North Atlantic Treaty Organization. Scientific Affairs Division. und NATO Advanced Research Workshop on Localization and Propagation of Classical Waves in Random and Periodic Structures (1992 : Hagia Pelagia, Greece), Hrsg. Photonic band gaps and localization. New York: Plenum Press, 1993.

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6

NATO Advanced Research Workshop on Localization and Propagation of Classical Wavesin Random and Periodic Structures (1992 Aghia Pelaghia, Greece). Photonic band gaps and localization. New York: Plenum Press, 1993.

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7

Phoenix, Ben. Reduced size photonic band gap (PBG) resonators. Birmingham: University of Birmingham, 2003.

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8

Liu, Dahe. Achieving complete band gaps using low refractive index material. New York: Novinka/Nova Science Publishers, 2010.

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9

Dolgos, Denis. Full-band Monte Carlo simulation of single photon avalanche diodes. Konstanz: Hartung-Gorre Verlag, 2012.

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10

Hirakawa, Shinji. Passive determination of temperature and range using spectral band measurements of photon emittance. Monterey, Calif: Naval Postgraduate School, 1991.

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Buchteile zum Thema "Photonic band":

1

Yablonovitch, E. „Photonic Band Structure“. In Quantum Measurements in Optics, 345–51. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3386-3_27.

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2

Haus, J. W. „Photonic Band Structures“. In Quantum Optics of Confined Systems, 101–41. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1657-9_4.

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3

Yablonovitch, E. „Photonic Band Structure“. In Analogies in Optics and Micro Electronics, 117–33. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-2009-5_8.

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4

Ammari, Habib, Hyeonbae Kang und Hyundae Lee. „Photonic band gaps“. In Mathematical Surveys and Monographs, 133–51. Providence, Rhode Island: American Mathematical Society, 2009. http://dx.doi.org/10.1090/surv/153/09.

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5

Yablonovitch, E. „Photonic Band Structure“. In Photonic Band Gaps and Localization, 207–34. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4899-1606-8_17.

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6

Sukhoivanov, Igor A., und Igor V. Guryev. „FDTD Method for Band Structure Computation“. In Photonic Crystals, 163–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02646-1_8.

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Sukhoivanov, Igor A., und Igor V. Guryev. „Band Structure Computation of 1D Photonic Crystals“. In Photonic Crystals, 41–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02646-1_4.

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8

Soukoulis, C. M. „Photonic Band Gap Materials“. In Diffuse Waves in Complex Media, 93–107. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4572-5_4.

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Soukoulis, C. M. „Photonic Band Gap Materials“. In Nanophase Materials, 509–14. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1076-1_54.

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Biswas, R., C. T. Chan, M. Sigalas, C. M. Soukoulis und K. M. Ho. „Photonic Band Gap Materials“. In Photonic Band Gap Materials, 23–40. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1665-4_2.

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Konferenzberichte zum Thema "Photonic band":

1

Shepherd, T. J. „Photonic Band Gaps“. In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.tut1.

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Photonic band gaps are ranges of frequency within which electromagnetic propagation is completely forbidden. They are present in certain materials which possess a periodicity of permittivity at the wavelength scale. Materials with these extreme properties are not known to occur naturally, and. at the optical wavelength scale, require fabrication methods at the current limits of technological feasibility. Such a photonic crystal provides a lossless barrier to propagation, and can suppress the emission of a photon by a decaying atom if the frequency of the emitted photon lies within the gap. A preferred propagation route, or mode, can be specified by designed defects within the photonic crystal; thus it is expected that I photonic crystals can provide a means whereby spontaneous emission is controlled in active media, and that all the spontaneously emitted light enters a single mode, resulting in an ideal zero-threshold laser. More generally, the photonic density of states is altered in these materials, and spontaneous emission can be enhanced or suppressed, as required. Other applications include novel all-angle reflectors, narrow-band filters, resonators, waveguides, and delay lines. When the fabrication problems for optical photonic crystals have been conquered, wavelength-scale periodic media will form an essential functions in a large range of optoelectronic systems.
2

Yablonovitch, Eli. „Photonic band structure“. In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.me1.

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By analogy to electron waves in a crystal, electromagnetic waves in a 3-D periodic dielectric structure should be described by band theory. The idea of photonic band structure1 is rapidly2–5 gaining acceptance. The concepts of reciprocal space, Brillouin zones, dispersion relations, Bloch wave functions, Van Hove singularities, etc., are now being applied to optical waves. If the depth of refraction index modulation is sufficient, a photonic band gap can exist. This is a frequency band in which electromagnetic modes, spontaneous emission, and zero point fluctuations are all absent. Indeed, a photonic band gap cam be essentially ideal provided the dielectric response is real and dissipationless. In addition to the obvious uses in atomic and laser physics, photonic band structure can now begin to play a role in microwave and millimeter wave electronics. Defects can be introduced into the otherwise perfect 3-D structures, creating electromagnetic donor modes and acceptor modes. Effectively, these defects are purely dielectric single-mode high-Q cavities suitable for a range of frequencies from microwaves to the visible. At the outset it was realized1 that a face-centered-cubic (FCC) array in real space would produce the most spherelike Brillouin zone in reciprocal space. This spherelike geometry increased the likelihood that a forbidden gap would overlap all the way around the surface of the Brillouin zone. But is was unclear what should be the shape in real space of the atoms in this FCC array. The history of this field has been a search for that optimal 3-D dielectric geometry, favored by nature and by Maxwell’s equations. During this same period, electronic band theorists began calculating photonic band structure. It rapidly became apparent that the familiar scalar wave band theory, so frequently used for electrons in solids, was in utter disagreement with experiment on photons.7–10 Recently3–5 a full vector-wave band theory became available, which not only agreed with experiment, it successfully highlighted some discrepancies in the experiment.
3

Yablonovitch, E. „Electronic and photonic band structure engineering of semiconductor lasers“. In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.tua5.

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In modern semiconductor lasers the electronic band structure is being artificially modified by strain and quantum confinement in order to reduce the valence band effective mass. Likewise, a photonic band structure is being consciously created, with the aim of producing a photonic band gap in which spontaneous emission is eliminated. This paper is a review of both trends, which seem to be converging into an interesting new ultra-low threshold semiconductor laser technology. If this new technology is successful, there will be microampere threshold lasers generating number-state squeezed light. Single-strained quantum-well (SSQW) lasers are rapidly becoming preferred for many applications. They overcome one of the main problems in III-V semiconductors, namely, the heavy valence band. A light hole mass reduces laser threshold requirements, minimizes intervalence band absorption, cuts down Auger recombination, and allows faster direct modulation. In spite of early fears of strained material instability, SSQW lasers are showing themselves to be more reliable than conventional GaAs lasers. At threshold, in a good-quality SSQW laser, spontaneous emission can dominate all other parasitic processes. We are now beginning to learn how to control spontaneous emission. In a three-dimensionally periodic dielectric medium it is possible to create a "photonic band gap" that is a forbidden energy gap for photons. In this energy band optical modes, spontaneous emission, and zero point fluctuations are all absent. This may be called band structure engineering for photons. The combination of all these ideas in a very small SSQW laser will lead to ultra-low microampere thresholds. More importantly, the quantum efficiency into the lasing mode can approach unity. In the absence of parasitic processes and under that conditions just described, we can look forward to the prospect of high-quality photon number-state squeezed light from these lasers.
4

Yablonovitch, E. „Photonic band structure: observation of an energy gap for light in 3-D periodic dielectric structures“. In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.fw6.

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By analogy to electron waves in a crystal, light waves in a 3-D periodic dielectric structure should be described by band theory. Recently, the idea of photonic band structure1 has been introduced. This means that the concepts of reciprocal space, Brillouin zones, dispersion relations, Bloch wave functions, Van Hove singularities, etc. must now be applied to optical waves. If the depth of index of refraction modulation is sufficient, a photonic band gap can exist. This is an energy band in which optical modes, spontaneous emission, and zero point fluctuations are all absent. Therefore, inhibited spontaneous emission can now begin to play a role in a semiconductors and solid-state electronics. It makes sense then to speak of photonic band structure and of a photonic reciprocal space, which has a Brillouin zone ~1000 times smaller than the Brillouin zone of the electrons. If the dielectric constant is periodically modulated in all three dimensions, it is possible to have a photonic band gap which overlaps the electronic band edge and for spontaneous electron-hole recombination to be rigorously forbidden. Indeed the photonic band gap is essentially ideal since the dielectric response can be real and dissipationless. It is interesting that the most natural real space structure for the optical medium is face centered cubic (fee), which is also the most famous atomic arrangement in crystals. The comparison between electronic and photonic band structure is revealing: (a) The underlying dispersion relation for electrons is parabolic, while that for photons is linear. (b) The angular momentum of electrons is 1/2, but the scalar wave approximation is frequently made; in contrast, photons have spin 1 and the vector wave character will likely play a major role in the band structure. (c) The band theory of electrons is only an approximation due to electron-electron repulsion, while photonic band theory is essentially exact since photon interactions are negligible.
5

Prather, Dennis W. „Photonic Band Gap Structures for Terahertz Photonics“. In Integrated Photonics Research. Washington, D.C.: OSA, 2001. http://dx.doi.org/10.1364/ipr.2001.imb1.

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6

Villeneuve, Pierre R., Andre Reid und Michel Piche. „Photonic band structures in 2-D periodic media“. In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.mq4.

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The existence of photonic band gaps in periodic dielectric structures has been the subject of many recent investigations.1,2 The band structure in any periodic media can be computed from an exact solution of Maxwell’s equations. In this paper, we investigate the band structure in 2-D periodic media. Several periodic structures are considered in order to find one for which propagation would be forbidden in the plane of the modulation. We consider arrays of rods with square cross-sections and 2-D grids. We predict band gaps for TE and TM modes. The width of the bands is a function of the index contrast and the occupation fraction of each material in the structure. In arrays of rods (grids), the minimum index contrast required to produce a TE band gap is larger (smaller) than the one required to produce a TM band gap. In all the structures that we investigated, the minimum index contrast required to produce a TM gap was not very sensitive to the filling fraction. Furthermore, there was no overlap of TE and TM bands in any of the structures, hence there were no complete band gaps. Other periodic structures with a more circle like Brillouin zone will be considered, taking into consideration that the symmetry of the atom in the lattice may induce band degeneracy.
7

Sozuer, H. S., J. W. Haus und R. Inguva. „How reliable are photonic band calculations?“ In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.mq2.

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We have examined several methods of performing photonic band structure calculations, compared those methods with one another, and studied their rate of convergence. When the medium has a host/guest topology we found that the convergence rate is vastly different for the different methods we studied. The wrong method choice for a given medium can lead to inaccuracies of as much as 50%. This is a direct consequence of the discontinuous nature of the dielectric function and the electromagnetic fields. In the diamond lattice,1 which was reported to have a 15% band gap between the second and third bands, we find at most a 3% band gap at the maximum volume filling fraction and none for the lower filling fractions. We attribute these discrepancies to inadequate numerical convergence of the previous calculations.2 Our approach is novel in that it looks for consistency between the various methods while gradually employing up to 1100 plane waves. The trend thus observed shows that the gap is closing. Results are also reported for spheroidal particles on an FCC lattice. We found that when the medium has a host/guest topology, the effective dielectric constant is well modeled by the Maxwell-Garnett theory. The enhancement of the nonlinear optical response of the particles is also examined.
8

Pendry, J. „Photonic Band Gap Materials“. In Proceedings of European Meeting on Lasers and Electro-Optics. IEEE, 1996. http://dx.doi.org/10.1109/cleoe.1996.562539.

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9

Pendry, JB. „Photonic Band Gap Materials“. In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1996. http://dx.doi.org/10.1364/cleo_europe.1996.cthp3.

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It is now some time since Yablonovitch proposed the optical analogue of the electron band gap: periodically structured dielectrics may totally exclude light in certain frequency ranges. At the time this concept of a ‘phtonc insulator’ provoked a furore and not a little disbelieve, but the concept is now an accepted one and the attention of the community is turning to how we can exploit the electron-photon analogy to control photons with the same facility as we do electrons. We may want to build better lasers, or to exploit more effectively use of light in communication, pushing the boundary of opto-electronics more in favour of the optical component of the subject.
10

Leung, K. M., und Y. F. Liu. „Vector-wave calculation of photonic band structures“. In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.tull4.

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We use plane wave method that correctly treats the vector nature of the photon to calculate the photonic band structure of a medium consisting of a face-centered cubic array of spheres embedded in a host material. Results are calculated for various volume-filling fractions of spheres, f, and refractive-index ratios for both the dielectric- and air-atom cases. Variations of the effective long wavelength refractive index with f is in excellent agreement with experimental data.1 The band gaps for the air-atom case at the Land X-points in the Brillouin zone as a function of f are also in accord with experiments. In particular, we found the X-gap to go to zero for f = 0.66, which is close to the experimental value of 0.68. However, in the case of an 86% volume-filling fraction of air-atoms, we did not find a common gap, and this is in disagreement with experimental findings. The primary problem seems to be caused by symmetry, which requires the bands to be degenerate at the W-point. Extensive numerical calculations for refractive index ratios varying from 1/4 to 4 have not produced a common gap for the present model.

Berichte der Organisationen zum Thema "Photonic band":

1

Author, Not Given. Photonic Band Gap Fiber Accelerator. Office of Scientific and Technical Information (OSTI), Oktober 2000. http://dx.doi.org/10.2172/784860.

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2

FRITZ, IAN J., PAUL L. GOURLEY, G. HAMMONS, VINCENT M. HIETALA, ERIC D. JONES, JOHN F. KLEM, SHARON L. KURTZ et al. Photonic Band Gap Structures as a Gateway to Nano-Photonics. Office of Scientific and Technical Information (OSTI), August 1999. http://dx.doi.org/10.2172/12654.

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3

Kodan, Daniel H., und Peter W. Chung. Simulating Photonic Band Gaps in Crystals. Fort Belvoir, VA: Defense Technical Information Center, Juni 2007. http://dx.doi.org/10.21236/ada469800.

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4

Sharkawy, Ahmed, Shouyuan Shi, Caihua Chen und Dennis Prather. Photonic Band Gap Devices for Commercial Applications. Fort Belvoir, VA: Defense Technical Information Center, Oktober 2006. http://dx.doi.org/10.21236/ada459258.

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5

Zian, Yongxi, und Tatsuo Itoh. Microwave Applications of Photonic Band-Gap (PBG) Structures. Fort Belvoir, VA: Defense Technical Information Center, Januar 1999. http://dx.doi.org/10.21236/ada394301.

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El-Kady, Ihab Fathy. Modeling of Photonic Band Gap Crystals and Applications. Office of Scientific and Technical Information (OSTI), Januar 2002. http://dx.doi.org/10.2172/804535.

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Gaeta. Novel Optical Interaction in Band-Gap Photonic Crystal Fibers. Fort Belvoir, VA: Defense Technical Information Center, Mai 2006. http://dx.doi.org/10.21236/ada456785.

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8

Lin, Shawn-Yu. Experimental Study of Electronic Quantum Interference, Photonic Crystal Cavity, Photonic Band Edge Effects for Optical Amplification. Fort Belvoir, VA: Defense Technical Information Center, Januar 2016. http://dx.doi.org/10.21236/ad1008001.

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Simakov, Evgenya I. Using photonic band gap structures for accelerators, microwaves and THz. Office of Scientific and Technical Information (OSTI), Dezember 2013. http://dx.doi.org/10.2172/1110307.

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Prather, Dennis W. Experimental Characterization of Photonic Band Crystals for Tera Hertz Devices. Fort Belvoir, VA: Defense Technical Information Center, Januar 2004. http://dx.doi.org/10.21236/ada429924.

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