Relevant bibliographies by topics / Photonic Devices Operating

Academic literature on the topic 'Photonic Devices Operating'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Photonic Devices Operating"

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Lin, Shawn-Yu, J. G. Fleming, and E. Chow. "Two- and Three-Dimensional Photonic Crystals Built with VLSI Tools." MRS Bulletin 26, no. 8 (August 2001): 627–31. http://dx.doi.org/10.1557/mrs2001.157.

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The drive toward miniature photonic devices has been hindered by our inability to tightly control and manipulate light. Moreover, photonics technologies are typically not based on silicon and, until recently, only indirectly benefited from the rapid advances being made in silicon processing technology. In the first part of this article, the successful fabrication of three-dimensional (3D) photonic crystals using silicon processing will be discussed. This advance has been made possible through the use of integrated-circuit (IC) fabrication technologies (e.g., very largescale integration, VLSI) and may enable the penetration of Si processing into photonics. In the second part, we describe the creation of 2D photonic-crystal slabs operating at the λ = 1.55 μm communications wavelength. This class of 2D photonic crystals is particularly promising for planar on-chip guiding, trapping, and switching of light.
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Ivanov, Alexander, Oleg Morozov, Airat Sakhabutdinov, Artem Kuznetsov, and Ilnur Nureev. "Photonic-Assisted Receivers for Instantaneous Microwave Frequency Measurement Based on Discriminators of Resonance Type." Photonics 9, no. 10 (October 11, 2022): 754. http://dx.doi.org/10.3390/photonics9100754.

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Photonic-assisted receivers for instantaneous microwave frequency measurement are devices used to measure the instantaneous frequency and amplitude of one or more microwave signals in the optical range, typically used in radar systems. Increasingly higher demands are placed on frequency range, accuracy and resolution during the development of instantaneous microwave frequency measurement applications, and these demands can be satisfied by the creation of new devices and operating principles. To permit further development in this area, it is necessary to generalize the experience gained during the development of devices based on frequency and amplitude discriminators of resonance type, including advanced ones with the best performances. Thus, in this report, we provide an overview of all the basic types of approaches used for the realization of photonic-assisted receivers based on fiber Bragg gratings, integrated Fano and optical ring resonators, Brillouin gain spectrum, and so on. The principles of their operation, as well as their associated advantages, disadvantages, and existing solutions to identified problems, are examined in detail. The presented approaches could be of value and interest to those working in the field of microwave photonics and radar systems, as we propose an original method for choosing photonic-assisted receivers appropriate for the characterization of multiple frequency measurements.
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HARRIS, JAMES S. "(GaIn)(NAsSb): MBE GROWTH, HETEROSTRUCTURE AND NANOPHOTONIC DEVICES." International Journal of Nanoscience 06, no. 03n04 (June 2007): 269–74. http://dx.doi.org/10.1142/s0219581x07004699.

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Dilute nitride GaInNAs and GaInNAsSb alloys grown on GaAs have quickly become excellent candidates for a variety of lower cost 1.2–1.6 μm lasers, optical amplifiers, and high power Raman pump lasers that will be required in the networks to provide high speed communications to the desktop. Because these quantum well active regions can be grown on GaAs , the distributed mirror technology for vertical cavity surface emitting lasers coupling into waveguides and fibers and photonic crystal structures can be readily combined with GaInNAsSb active regions to produce a variety of advanced photonic devices that will be crucial for advanced photonic integrated circuits. GaInNAs ( Sb ) provides several new challenges compared to earlier III–V alloys because of the limited solubility of N , phase segregation, nonradiative defects caused by the low growth temperature, and ion damage from the N plasma source. This paper describes progress in overcoming some of the material challenges and progress in realizing record setting edge emitting lasers, the first VCSELs operating at 1.5 μm based on GaInNAsSb and integrated photonic crystal and nanoaperture lasers.
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Panyaev, Ivan S., Dmitry G. Sannikov, Nataliya N. Dadoenkova, and Yuliya S. Dadoenkova. "Three-periodic 1D photonic crystals for designing the photonic optical devices operating in the infrared regime." Applied Optics 60, no. 7 (February 25, 2021): 1943. http://dx.doi.org/10.1364/ao.415966.

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Davis, Timothy J., Daniel E. Gómez, and Ann Roberts. "Plasmonic circuits for manipulating optical information." Nanophotonics 6, no. 3 (October 26, 2016): 543–59. http://dx.doi.org/10.1515/nanoph-2016-0131.

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AbstractSurface plasmons excited by light in metal structures provide a means for manipulating optical energy at the nanoscale. Plasmons are associated with the collective oscillations of conduction electrons in metals and play a role intermediate between photonics and electronics. As such, plasmonic devices have been created that mimic photonic waveguides as well as electrical circuits operating at optical frequencies. We review the plasmon technologies and circuits proposed, modeled, and demonstrated over the past decade that have potential applications in optical computing and optical information processing.
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Ferrier, L., P. Rojo-Romeo, E. Drouard, X. Letatre, and P. Viktorovitch. "Slow Bloch mode confinement in 2D photonic crystals for surface operating devices." Optics Express 16, no. 5 (2008): 3136. http://dx.doi.org/10.1364/oe.16.003136.

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Damulira, Edrine, Muhammad Nur Salihin Yusoff, Ahmad Fairuz Omar, and Nur Hartini Mohd Taib. "A Review: Photonic Devices Used for Dosimetry in Medical Radiation." Sensors 19, no. 10 (May 14, 2019): 2226. http://dx.doi.org/10.3390/s19102226.

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Numerous instruments such as ionization chambers, hand-held and pocket dosimeters of various types, film badges, thermoluminescent dosimeters (TLDs) and optically stimulated luminescence dosimeters (OSLDs) are used to measure and monitor radiation in medical applications. Of recent, photonic devices have also been adopted. This article evaluates recent research and advancements in the applications of photonic devices in medical radiation detection primarily focusing on four types; photodiodes – including light-emitting diodes (LEDs), phototransistors—including metal oxide semiconductor field effect transistors (MOSFETs), photovoltaic sensors/solar cells, and charge coupled devices/charge metal oxide semiconductors (CCD/CMOS) cameras. A comprehensive analysis of the operating principles and recent technologies of these devices is performed. Further, critical evaluation and comparison of their benefits and limitations as dosimeters is done based on the available studies. Common factors barring photonic devices from being used as radiation detectors are also discussed; with suggestions on possible solutions to overcome these barriers. Finally, the potentials of these devices and the challenges of realizing their applications as quintessential dosimeters are highlighted for future research and improvements.
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Kim, Gyungock, Jeong Woo Park, In Gyoo Kim, Sanghoon Kim, Sanggi Kim, Jong Moo Lee, Gun Sik Park, et al. "Low-voltage high-performance silicon photonic devices and photonic integrated circuits operating up to 30 Gb/s." Optics Express 19, no. 27 (December 16, 2011): 26936. http://dx.doi.org/10.1364/oe.19.026936.

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Rashed, Ahmed Nabih Zaki. "High Performance Photonic Devices for Multiplexing/Demultiplexing Applications in Multi Band Operating Regions." Journal of Computational and Theoretical Nanoscience 9, no. 4 (April 1, 2012): 522–31. http://dx.doi.org/10.1166/jctn.2012.2055.

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Al-Tameemi, Saif, and Mohammed Nadhim Abbas. "All-Optical Universal Logic Gates at Nano-scale Dimensions." Iraqi Journal of Nanotechnology, no. 2 (December 7, 2021): 34–43. http://dx.doi.org/10.47758/ijn.vi2.49.

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Though photonics displays an attractive solution to the speed limitation of electronics, decreasing the size of photonic devices is one of the major problems with implementing photonic integrated circuits that are regarded the challenges to produce all-optical computers. Plasmonic can solve these problems, it be a potential solution to fill the gaps in the electronics (large bandwidth and ultra-high speed) and photonics (diffraction limit due to miniaturization size). In this paper, Nano-rings Insulator-Metal-Insulator (IMI) plasmonic waveguides has been used to propose, design, simulate, and perform all-optical universal logic gates (NOR and NAND gates). By using Finite Element Method (FEM), the structure of the proposed plasmonic universal logic gates are designed and numerically simulated by two dimensions (2-D) structure. Silver and Glass materials were chosen to construct proposed structure. The function of the proposed plasmonic NOR and NAND logic gates was achieved by destructive and constructive interferences principle. The performance of the proposed device is measured by three criteria; the transmission, extension ratio, and modulation depth. Numerical simulations show that a transmission threshold (0.3) which allows achieving the proposed plasmonic universal logic gates in one structure at 1550 nm operating wavelength. The properties of this devise was as follows: The transmission exceeds 100% in one state of NAND gate, medium values of Extension Ratio, very high MD values, and very small foot print. In the future, this device will be the access to the nanophotonic integrated circuits and it has regarded fundamental building blocks for all-optical computers.
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Books on the topic "Photonic Devices Operating"

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Berikashvili, Valeriy. The coherent optics and optical information processing. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/999893.

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Presented in the textbook materials relate to the disclosure of the common features of radio and optical telecommunication systems. In detail the device and principles of operation of gas, solid and semiconductor lasers, photodetectors, key photoelectric devices, phototransistors, of photothyristors. The studied display device. Great attention is paid to the elemental basis of fiber-optical systems of collecting and information transfer. Meets the requirements of Federal state educational standards of higher education of the last generation. For students in the areas of "Photonics and Optoinformatics", "Instrumentation" and "optical engineering".
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Capmany, José, and Daniel Pérez. Programmable Integrated Photonics. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198844402.001.0001.

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Programmable Integrated Photonics (PIP) is a new paradigm that aims at designing common integrated optical hardware configurations, which by suitable programming can implement a variety of functionalities that, in turn, can be exploited as basic operations in many application fields. Programmability enables by means of external control signals both chip reconfiguration for multifunction operation as well as chip stabilization against non-ideal operation due to fluctuations in environmental conditions and fabrication errors. Programming also allows activating parts of the chip, which are not essential for the implementation of a given functionality but can be of help in reducing noise levels through the diversion of undesired reflections. After some years where the Application Specific Photonic Integrated Circuit (ASPIC) paradigm has completely dominated the field of integrated optics, there is an increasing interest in PIP justified by the surge of a number of emerging applications that are and will be calling for true flexibility, reconfigurability as well as low-cost, compact and low-power consuming devices. This book aims to provide a comprehensive introduction to this emergent field covering aspects that range from the basic aspects of technologies and building photonic component blocks to the design alternatives and principles of complex programmable photonics circuits, their limiting factors, techniques for characterization and performance monitoring/control and their salient applications both in the classical as well as in the quantum information fields. The book concentrates and focuses mainly on the distinctive features of programmable photonics as compared to more traditional ASPIC approaches.
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Basu, Prasanta Kumar, Bratati Mukhopadhyay, and Rikmantra Basu. Semiconductor Nanophotonics. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198784692.001.0001.

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Abstract Nanometre sized structures made of semiconductors, insulators and metals and grown by modern growth technologies or by chemical synthesis exhibit novel electronic and optical phenomena due to confinement of electrons and photons. Strong interactions between electrons and photons in narrow regions lead to inhibited spontaneous emission, thresholdless laser operation, and Bose Einstein condensation of exciton-polaritons in microcavities. Generation of sub-wavelength radiation by surface Plasmon-polaritons at metal-semiconductor interfaces, creation of photonic band gap in dielectrics, and realization of nanometer sized semiconductor or insulator structures with negative permittivity and permeability, known as metamaterials, are further examples in the area of nanophotonics. The studies help develop Spasers and plasmonic nanolasers of subwavelength dimensions, paving the way to use plasmonics in future data centres and high speed computers working at THz bandwidth with less than a few fJ/bit dissipation. The present book intends to serveas a textbook for graduate students and researchers intending to have introductory ideas of semiconductor nanophotonics. It gives an introduction to electron-photon interactions in quantum wells, wires and dots and then discusses the processes in microcavities, photonic band gaps and metamaterials and related applications. The phenomena and device applications under strong light-matter interactions are discussed by mostly using classical and semi-classical theories. Numerous examples and problems accompany each chapter.
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Stanton, Robert, and Donna Stinson. Applied Physics for Radiation Oncology. Medical Physics Publishing, 2007. http://dx.doi.org/10.54947/9781930524408.

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The updated, second edition of the textbook Applied Physics for Radiation Oncology, originally published in 1996. Intended for both radiation therapists and students of radiation therapy. Chapters cover treatment planning, photon and electron dosimetry, brachytherapy, methods of dose calculation, isodose curves, beam-modifying devices, patient and beam geometry, radiation protection, and clinical use and operation of linear accelerators. The authors unify the principles of radiation therapy physics with the real world of clinical practice. A must for radiation therapists.
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Book chapters on the topic "Photonic Devices Operating"

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Wheatley, P., and J. E. Midwinter. "Operating Curves for Optical Bistable Devices." In Photonic Switching, 80–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73388-8_15.

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Zanetto, Francesco. "Low-Noise Mixed-Signal Electronics for Closed-Loop Control of Complex Photonic Circuits." In Special Topics in Information Technology, 55–64. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85918-3_5.

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AbstractAn increasing research effort is being carried out to profit from the advantages of photonics not only in long-range telecommunications but also at short distances, to implement board-to-board or chip-to-chip interconnections. In this context, Silicon Photonics emerged as a promising technology, allowing to integrate optical devices in a small silicon chip. However, the integration density made possible by Silicon Photonics revealed the difficulty of operating complex optical architectures in an open-loop way, due to their high sensitivity to fabrication parameters and temperature variations. In this chapter, a low-noise mixed-signal electronic platform implementing feedback control of complex optical architectures is presented. The system exploits the ContactLess Integrated Photonic Probe, a non-invasive detector that senses light in silicon waveguides by measuring their electrical conductance. The CLIPP readout resolution has been maximized thanks to the design of a low-noise multichannel ASIC, achieving an accuracy better than −35 dBm in light monitoring. The feedback loop to stabilize the behaviour of photonic circuits is then closed in the digital domain by a custom mixed-signal electronic platform. Experimental demonstrations of optical communications at high data-rate confirm the effectiveness of the proposed approach.
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Balestra, Francis. "Ultralow-Power Device Operation." In Nanoscale Materials and Devices for Electronics, Photonics and Solar Energy, 1–29. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18633-7_1.

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Haidar Shahine, Mike. "Neuromorphic Photonics." In Optoelectronics [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.94297.

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Neuromorphic photonic applies concepts extracted from neuroscience to develop photonic devices behaving like neural systems and achieve brain-like information processing capacity and efficiency. This new field combines the advantages of photonics and neuromorphic architectures to build systems with high efficiency, high interconnectivity and paves the way to ultrafast, power efficient and low cost and complex signal processing. We explore the use of semiconductor lasers with optoelectronic feedback operating in self-pulsating mode as photonic neuron that can deliver flexible control schemes with narrow optical pulses of less than 30 ps pulse width, with adjustable pulse intervals of −2 ps/mA to accommodate specific Pulse Position Modulation (PPM) coding of events to trigger photonic neuron firing as required. The analyses cover in addition to self-pulsation performance and controls, the phase noise and jitter characteristics of such solution.
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Karmakar, Anirban, and Anuradha Saha. "Fractal-Inspired Ultra-Wideband Diversity Slot Antenna for Wireless Communication Systems." In Contemporary Developments in High-Frequency Photonic Devices, 103–30. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8531-2.ch005.

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A novel compact ultra-wideband (UWB) multiple-input multiple-output (MIMO) slot antenna with band notch characteristics is presented for portable wireless UWB applications. The antenna comprises of co-planar waveguide feed (CPW) and two radiating monopoles oriented in orthogonal orientation for providing orthogonal radiation patterns. A Minkowski fractal parasitic stub along with a Minkowski fractal grounded stub has been placed at 45° between the monopoles to reduce the coupling between them, which in turn establishes high isolation between the radiators. An excellent band notch characteristic is obtained at 5.5 GHz by etching a modified E-shaped compact slot on the radiators. Results show that the designed antenna meets -10 dB impedance bandwidth and -17 dB isolation throughout the entire operating band (3.1 -12 GHz). Novelty of this design lies in improving isolation using fractal which occupies less space in compared to other isolation mechanisms in MIMO structures. The simulated and measured results depict that the proposed antenna is convenient for MIMO diversity systems.
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Capmany, José, and Daniel Pérez. "Field Programmable Photonic Gate Arrays." In Programmable Integrated Photonics, 301–30. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198844402.003.0009.

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The field programmable photonic gate array (FPPGA) is an integrated photonic device/subsystem that operates similarly to a field programmable gate array in electronics. It is a set of programmable photonics analogue blocks (PPABs) and of reconfigurable photonic interconnects (RPIs) implemented over a photonic chip. The PPABs provide the building blocks for implementing basic optical analogue operations (reconfigurable/independent power splitting and phase shifting). Broadly they enable reconfigurable processing just like configurable logic elements (CLE) or programmable logic blocks (PLBs) carry digital operations in electronic FPGAs or configurable analogue blocks (CABs) carry analogue operations in electronic field programmable analogue arrays (FPAAs). Reconfigurable interconnections between PPABs are provided by the RPIs. This chapter presents basic principles of integrated FPPGAs. It describes their main building blocks and discusses alternatives for their high-level layouts, design flow, technology mapping and physical implementation. Finally, it shows that waveguide meshes lead naturally to a compact solution.
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Capmany, José, and Daniel Pérez. "Basic Building Blocks and Techniques." In Programmable Integrated Photonics, 38–77. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198844402.003.0002.

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Programmable integrated photonics (PIP) relies on designing suitable basic building blocks (BBBs) able to carry elementary signal processing operations and interconnection hardware architectures that offer very high spatial regularity. The most popular BBBs proposed so far are based on elementary 2×2 tunable photonics coupling components capable of providing independent setting of the power coupling ratio. Additionally, they are based on the phase shift experienced by the incoming signals from two input waveguides in their transition to the two output waveguide ports of the device. This chapter deals primarily with these components. First, it considers the basic matrix methods required to describe their operation, either standalone or in combination with others to form more complex structures. Next, it describes the main technology approaches for the implementation of BBBs, including 3dB Mach–Zehnder tunable couplers, directional couplers, and beamsplitters, followed by how these BBBs are employed to build up a tunable basic unit (TBU), which is the elementary constituent of waveguide mesh circuits. It concludes by describing the devices and techniques relevant in multiport devices, and discusses the equivalence between mode conversion and linear optics matrix transformations and the universal linear combiner.
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Capmany, José, and Daniel Pérez. "Introduction to Programmable Integrated Photonics." In Programmable Integrated Photonics, 1–37. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198844402.003.0001.

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Programmable integrated photonics (PIP) aims at designing common integrated optical hardware configurations, which—by suitable programming—can implement a variety of functionalities that can be elaborated for basic or more complex operations in many application fields. It follows a different approach to that of application specific photonic integrated circuits (ASPICs), which have dominated during the last few decades. The interest in PIP is driven by the surge of a considerable number of emerging applications in the fields of telecommunications, quantum information processing, sensing and neurophotonics that will require flexible, reconfigurable, low-cost, compact and low-power-consuming devices, much as field programmable gate array (FPGA) devices operate in electronics. This chapter serves as a general introduction to the book and reviews the main basic principles and recent advances in PIP, including fabrication platforms, design principles, architecture choices, challenges and limitations. and provides a brief introduction to the applications of this new field.
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Benisty, Henri, Jean-Jacques Greffet, and Philippe Lalanne. "From nanophotonics to devices." In Introduction to Nanophotonics, 573–602. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780198786139.003.0020.

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The chapter reviews selected key technologies for nanophotonics applications in passive or emitting devices. The chapter introduces the scientific principles and the figures of merit of these devices, in which guides, gratings, plasmonic systems, periodic guides of previous chapters are the ingredients. It details the issue of sensing, a very heuristic topic. It then provides clues for a practical, applications-based approach to the design and operation of integrated photonic circuits and their electro-optic functions. In the area of active devices, it deals with the factors that determine the device efficiency. For edge-emitting lasers, it shows how guide and gratings are assembled in the emblematic DFB laser diodes. Vertical emitting lasers (VCSELs) are also discussed, connecting their structure to fundamentals of light-matter interaction and to periodicity. The important issue of light extraction is eventually revisited across several kinds of devices, LEDs of course, but also other specialized emitting systems.
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Amemiya, T., and Y. Nakano. "Single Mode Operation of 1.5-µm Waveguide Optical Isolators Based on the Nonreciprocal-loss Phenomenon." In Advances in Optical and Photonic Devices. InTech, 2010. http://dx.doi.org/10.5772/7143.

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Conference papers on the topic "Photonic Devices Operating"

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Kondakov, Denis. "Chemical transformations of common hole transport materials in operating OLED devices." In Photonic Devices + Applications, edited by Franky So and Chihaya Adachi. SPIE, 2008. http://dx.doi.org/10.1117/12.796824.

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Hartmann, Daniel, Selim Günçer, Chi Fan, Sadik Esener, Mike Heller, and Jeff Cable. "DNA-Assisted Self Assembly of Photonic Devices and Crystals." In Spatial Light Modulators. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/slmo.1997.smc.3.

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Photonics is playing an increasing role in modern communication, information processing, and data storage. As integrated optoelectronic systems grow in size and the desired operating bandwidth increases, new packaging techniques, such as fluidic self-assembly,1 robotic precision assembly,2 and DNA-based methods,3,4 have attracted great research interest. In this paper, we report a DNA self-assembly process and discuss its application to the construction of photonic crystals.
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Yang, Henglong, and Ting-Hui Lu. "The modeling of dynamical degradation process for operating organic light emitting diode." In SPIE Photonic Devices + Applications, edited by Franky So and Chihaya Adachi. SPIE, 2009. http://dx.doi.org/10.1117/12.825204.

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Leclercq, Jean-Louis, B. BenBakir, Haroldo Hattori, Xavier Letartre, Philippe Regreny, Pedro Rojo-Romeo, Christian Seassal, and Pierre Viktorovitch. "Surface operating photonic devices based on 2D photonic crystal: toward 2.5 dimensional microphotonics." In Photonics Europe, edited by Richard M. De La Rue, Pierre Viktorovitch, Clivia M. Sotomayor Torres, and Michele Midrio. SPIE, 2004. http://dx.doi.org/10.1117/12.544803.

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Siegel, Joel F., Jonathan H. Dwyer, Padma Gopalan, and Victor W. Brar. "Non-local effects in graphene plasmonic devices operating at short wavelength infrared frequencies." In Active Photonic Platforms XIII, edited by Ganapathi S. Subramania and Stavroula Foteinopoulou. SPIE, 2021. http://dx.doi.org/10.1117/12.2594395.

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Akriotou, Marialena, Alexandros Fragkos, and Dimitris Syvridis. "Photonic physical unclonable functions: from the concept to fully functional device operating in the field." In Physics and Simulation of Optoelectronic Devices XXVIII, edited by Marek Osiński, Yasuhiko Arakawa, and Bernd Witzigmann. SPIE, 2020. http://dx.doi.org/10.1117/12.2551272.

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Shao, Zengkai, Yujie Chen, Hui Chen, Zeming Fan, Lin Liu, Chunchuan Yang, Lidan Zhou, Yanfeng Zhang, and Siyuan Yu. "Silicon Nitride-based Integrated Photonic Devices Suitable for Operating in the Visible to Infrared Wavelength Range." In Asia Communications and Photonics Conference. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/acpc.2015.asu1b.2.

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Lundh, James Spencer, Yiwen Song, Bikram Chatterjee, Albert G. Baca, Robert J. Kaplar, Andrew M. Armstrong, Andrew A. Allerman, Hyungtak Kim, and Sukwon Choi. "Integrated Optical Probing of the Thermal Dynamics of Wide Bandgap Power Electronics." In ASME 2019 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ipack2019-6440.

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Abstract Researchers have been extensively studying wide-bandgap (WBG) semiconductor materials such as gallium nitride (GaN) with an aim to accomplish an improvement in size, weight, and power (SWaP) of power electronics beyond current devices based on silicon (Si). However, the increased operating power densities and reduced areal footprints of WBG device technologies result in significant levels of self-heating that can ultimately restrict device operation through performance degradation, reliability issues, and failure. Typically, self-heating in WBG devices is studied using a single measurement technique while operating the device under steady-state direct current (DC) measurement conditions. However, for switching applications, this steady-state thermal characterization may lose significance since high power dissipation occurs during fast transient switching events. Therefore, it can be useful to probe the WBG devices under transient measurement conditions in order to better understand the thermal dynamics of these systems in practical applications. In this work, the transient thermal dynamics of an AlGaN/GaN high electron mobility transistor (HEMT) were studied using thermoreflectance thermal imaging and Raman thermometry. Also, the proper use of iterative pulsed measurement schemes such as thermoreflectance thermal imaging to determine the steady-state operating temperature of devices is discussed. These studies are followed with subsequent transient thermal characterization to accurately probe the self-heating from steady-state down to sub-microsecond pulse conditions using both thermoreflectance thermal imaging and Raman thermometry with temporal resolutions down to 15 ns.
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Le Thomas, N., R. Houdre, M. V. Kotlyar, L. O'Faolain, T. F. Krauss, L. H. Frandsen, J. Fage-Pedersen, A. V. Lavrinenko, and P. I. Borel. "High Numerical Aperture Real and Fourier Space Investigation of Planar Photonic Devices Operating below the Light Cone." In 2007 9th International Conference on Transparent Optical Networks. IEEE, 2007. http://dx.doi.org/10.1109/icton.2007.4296126.

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Dumoulin, Jérémy, Emmanuel Drouard, and Mohamed Amara. "Radiative sky cooling of solar cells: towards a fully coupled opto-electro-thermal model of silicon solar cells for accurate performance evaluation in real operating conditions." In Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XI, edited by Alexandre Freundlich, Karin Hinzer, and Stéphane Collin. SPIE, 2022. http://dx.doi.org/10.1117/12.2609531.

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