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Dissertations / Theses on the topic 'Integrated optics'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Llobera, Adan Andreu. "Integrated Optics Technology on Silicon: Optical Transducers." Doctoral thesis, Universitat Autònoma de Barcelona, 2002. http://hdl.handle.net/10803/3342.

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El camp de l'òptica integrada es presenta com un dels mes prometedors a curt-mig plaç degut als clars avantatges que presenta amb respecte de l'electrònica tradicional. El fet d'utilitzar la llum com a medi vehicular, la qual no es veu afectada per les possibles pertorbacions electromagnètiques, entre altres propietats, fan que aquest camp sigui una de les sortides mes viables als greus problemes de congestió de les vies de telecomunicacions que es preveuen en un futur proper. Per altra part, l'ús de l'òptica integrada per a la realització de sensors ofereix unes prestacions superiors a la maj

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2

Almeida, Luis Miguel Lima de. "All-optical processing based on integrated optics." Master's thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/13705.

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Mestrado em Engenharia Eletrónica e Telecomunicações<br>During the last years, the demand for high data transfer rates in optical fiber communications has increased exponentially. Since image in its original format exactly as it is captured by the digital camera requires an enormous amount of storage capacity, it is important to develop a system that increases its amount of compression while preserving the important image’s information. In the topic of image’s compression, there are several transformation techniques used for data compression. Discrete Wavelet Transform (DWT) is one of t

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3

Baker, Christopher Charles. "Electroluminescent Thin Films for Integrated Optics Applications." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1054903604.

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4

Clark, Douglas F. "High frequency electro-optic modulators for integrated optics." Thesis, University of Glasgow, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293507.

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5

Villalaz, Ricardo A. "Volume Grating Couplers for Optical Interconnects: Analysis, Design, Fabrication, and Testing." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-07102004-165012/unrestricted/villalaz%5Fricardo%5Fa%5F200407%5Fphd.pdf.

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Thesis (Ph. D.)--School of Electrical and Computer Engineering, Georgia Institute of Technology, 2005. Directed by Thomas Gaylord.<br>Glytsis, Elias, Committee Co-Chair ; Buck, John, Committee Member ; Kohl, Paul, Committee Member ; Adibi, Ali, Committee Member ; Gaylord, Thomas, Committee Chair. Vita. Includes bibliographical references.

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6

Liu, Bo. "Integrated Microwave Photonics Signal Processing." Thesis, The University of Sydney, 2019. https://hdl.handle.net/2123/21633.

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The microwave photonics (MWP) is a promising technology in recent years in terms of processing high frequency microwave signals. It offers some advantages over electronic signal processing. Some of its advantages are high speed, low loss, wide range, light weight and immunity from electromagnetic interference. Because of these advantages, integrated MWP circuits can be used in many applications such as filters, phase shifters and time delay devices. Moreover, with the development of complementary metal-oxide semiconductor technology, MWP circuits can be integrated on a compact silicon-on-insul

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7

An, Dechang. "Electro-optic polymer-based monolithic waveguide devices with multi-functions of amplification switching and modulation." Access restricted to users with UT Austin EID Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3035933.

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8

Smalley, Daniel E. "Integrated optics for holographic video." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/41617.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2006.<br>Includes bibliographical references (leaves 83-85).<br>The goal of this research is to fabricate a guided-wave, two-axis scanner and to modify the design of the MIT holovideo system to take full advantage of the scanner's high bandwidth and two-dimensional deflection. The new display geometry will be designed to use the guided-wave scanner coupled with a holographic optical element to perform a solid-state horizontal de-scan. The development of the guided-wave scanner and the

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9

Evans, Christopher Courtney. "Nonlinear optics in titanium dioxide: from bulk to integrated optical devices." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:11167.

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In this thesis, we explore titanium dioxide (TiO2) for ultrafast, on-chip nonlinear optics by studying it in bulk, thin films, and in integrated nonlinear optical devices. TiO2's large nonlinear index of refraction (30 times that of silica) and low two-photon absorption can enable all-optical switching, logic, and wavelength conversion across wavelengths spanning the telecommunications octave (800–1600 nm). In addition, its high linear index of refraction can enhance optical confinement down to nano-scale dimensions and facilitate the tight waveguide bends necessary for dense on-chip int

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10

MOSHREFZADEH, ROBERT SHAHRAM. "THEORY AND FABRICATION OF SUB-MICRON GRATINGS ON NONLINEAR OPTICAL WAVEGUIDES." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184138.

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Because of their compatibility with the planar concept of integrated optics, grating couplers offer the most satisfactory means of coupling light into thin film optical waveguides. The purpose of this dissertation has been to study the behaviour, both theoretically and experimentally, and fabrication of grating couplers in nonlinear waveguides. A theory of nonlinear grating couplers is presented based on a coupled-mode approach. The dependence of coupling efficiency on incident beam intensity, beam size, beam position, incident angle, chirp rate, and waveguide losses have been examined all in

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11

Chisham, Jason E. (Jason Edward). "Sol-gel materials for integrated optics." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23992.

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The sol-gel process is a low temperature solution route to amorphous and crystalline materials. Organic modification of the precursors allows the formation of organic-inorganic composite materials. We use the sol-gel process to produce an organically-modified ceramic for integrated optical applications. Photosensitive organic components allow the fabrication of passive integrated optical devices by photolithography. We demonstrate the fabrication and characterization of channel waveguides, waveguide devices and gratings in this material. Active devices based on the emission of erbium at 1.55 $

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12

Finlayson, Neil. "Inhomogeneous lens stuctures for integrated optics." Thesis, University of Glasgow, 1985. http://theses.gla.ac.uk/4929/.

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The thesis is concerned with the design, analysis, fabrication am evaluation of integrated optic lenses which are inhomogeneous either in physical shape or in refractive index profile. The thesis has nine chapters. Chapter one, the introduction, illustrates the importance of these lenses within the domain of integrated optiCS, where the complicated mathematical functions required to describe the lens profiles are most easily realised. Connections are made between the study of these lenses and the exciting new field of optical computing. A special class of non-uniform lenses which are conceptua

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13

Sharma, Prem Kumar. "Polymeric thin films for integrated optics." Thesis, Durham University, 1992. http://etheses.dur.ac.uk/5737/.

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This thesis presents the results from the characterisation of the linear optical properties of various polymers and the energy transfer process between several dye pairs in polymeric waveguides. The polymers and dyes were considered for their use in solid state thin film wavelength tuneable light sources. The optical waveguiding properties of the polymers were investigated, and the results of the experiments are reported. Also the fundamental concepts of wave guiding in thin films are presented. The techniques of processing the thin films, input and output coupling of the light and analysis of

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14

Roberts, D. A. "Selective area epitaxy for integrated optics." Thesis, University of Sheffield, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262710.

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15

Oser, Dorian. "Integrated silicon photonics for quantum optics." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS455.

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La photonique silicium est un domaine prolifique de l’optique intégrée. Elle permet de miniaturiser de nombreuses fonctionnalités optiques, l’émission laser (en considérant les stratégies d’intégration hybride), la modulation électro-optique, le routage, la détection, pour les télécoms, les LIDAR ou la spectroscopie, la métrologie, les capteurs et laboratoires sur puce, toute en produisant à grande échelle avec une grande précision et à bas coût (grâce au technologies CMOS de la microélectronique). L’optique quantique, quant à elle, souffre d’une grande sensibilité aux vibrations et à l’enviro

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16

Sun, Peng. "Free-Standing Integrated Optics in Silicon." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1330528033.

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17

Aljasem, Khaled [Verfasser]. "Integrated micro-optics for endoscopic optical coherence tomography / Khaled Aljasem." Freiburg : Universität, Br. : Univ., IMTEK, 2010. http://d-nb.info/1006564373/34.

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18

Alam, Mohammad. "High performance magneto-optic garnet materials for integrated optics and photonics." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2012. https://ro.ecu.edu.au/theses/528.

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This work explores the preparation, characteristics and properties of highly bismuth (Bi) substituted, metal doped, iron garnet compounds and investigates their potential for various emerging applications in the visible and near infrared spectral regions. Bi-substituted iron garnet and garnet-oxide nanocomposite films of generic composition type (Bi, Dy/Lu)3(Fe, Ga/Al)5O12 are prepared by using a radio frequency (RF) magnetron sputtering technique. The physical properties (crystallinity, film morphology, optical absorption spectra across the visible spectral range and the elemental composition

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19

Ruege, Alexander Charles. "Electro-Optic Ring Resonators in Integrated Optics For Miniature Electric Field Sensors." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1322521235.

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20

Chen, Li. "Hybrid Silicon and Lithium Niobate Integrated Photonics." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429660021.

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21

Evans, Jonathan W. "Beam Switching of an Nd:YAG Laser Using Domain Engineered Prisms in Magnesium Oxide Doped Congruent Lithium Niobate." University of Dayton / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1281366442.

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22

FORTENBERRY, RANCE MORGAN. "NONLINEAR OPTICAL PHENOMENA IN ZINC OXIDE WAVEGUIDES (INTEGRATED OPTICS, NONLINEAR COUPLING)." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183951.

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This dissertation reports on the development of a nonlinear surface spectroscopy and the observation of nonlinear optical phenomena using sputtered zinc oxide waveguides. The first is known as Surface Coherent Raman Spectroscopy, or SCRS, and is capable of monolayer sensitivity. The second, discovered during the development of SCRS, is optical limiting and a previously unobserved form of optical switching based on an absorptive nonlinear coupling mechanism. Overviews of the theories of waveguiding, linear coupling, and SCRS are given. Experiments showing that the spectrum of a monolayer covera

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23

Gharbia, Yousef Ahmed Mechanical &amp Manufacturing Engineering Faculty of Engineering UNSW. "Nano-grinding for fabrication of microlenses on optical fibers endfaces." Awarded by:University of New South Wales. School of Mechanical and Manufacturing Engineering, 2003. http://handle.unsw.edu.au/1959.4/20735.

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This work presents mechanical nano-grinding as an alternative technique for the fabrication of optical fibers endface microlenses. It also presents a novel surface-roughness improvement technique called Loose Abrasive Blasting (LAB). Traditionally, the majority of such microlenses are made using either chemical etching or heating and pulling methods. Despite the success of these methods, they suffer some common drawbacks such as the lack of controllability on the produced lens profile. Consequently the possible variations of the lens profiles that can be made by these methods are also limited.

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24

Bainbridge, John David. "The design and application of an optical demultiplexer." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302165.

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25

Lucas, Yann. "Integrated adaptive optics for atmospheric turbulence effects mitigation on optical links." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASP172.

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Avec un besoin croissant de communication en espace libre, les transmissions radiofréquences deviennent saturées et les liaisons optiques représentent une solution prometteuse. A la réception, l'injection du signal optique dans une fibre optique monomode (FOM) permet un débit élevé en utilisant les composants déjà développés pour les communications fibrées. Cette injection peut être fortement perturbée par les effets de la turbulence pour des liens à travers l'atmosphère. Pour s'affranchir de ces effets, l'optique adaptative (OA) est couramment utilisée. Une approche alternative, appelée ici O

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26

Baker, Christopher C. "Electroluminescent thin films for integrated optics applications." Cincinnati, Ohio : University of Cincinnati, 2003. http://www.ohiolink.edu/etd/view.cgi?acc%5Fnum=ucin1054903604.

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27

Kanigan, Tanya. "Integrated optics spectroscopy of polymer thin films." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40157.

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This thesis describes the design and construction of an integrated optics (IO) spectrometer for the purpose of characterizing optically transparent polymer thin films (1-10 $ mu$m). IO spectroscopy exploits the properties of electromagnetic fields that exist in a polymer film when it is used as a planar dielectric waveguide. The spectrometer measures waveguide propagation constants and Raman spectra excited by guided modes. These data are used to characterize the structures of solution cast cellulose acetate (CA) films and glassy cellulose films regenerated from them, and laser induced anisotr

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28

Morgan, Christopher Neil. "Two dimensional integrated optics for wavelength demultiplexing." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271868.

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29

Popović, Miloš 1977. "Air trenches for dense silica integrated optics." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/87180.

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30

Lepert, Guillaume. "Integrated optics for coupled-cavity quantum electrodynamics." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/11175.

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This thesis reports on the development of an array of plane-concave Fabry-Perot microcavities containing atoms (or other quantum emitters), interconnected by UV-written waveguides on a silica-on-silicon chip. The microcavities are formed by a mirror coated on the end facet of the chip and an array of spherical micromirrors etched on silicon. This is to our knowledge the first attempt at implementing the emerging coupled-cavities QED paradigm. The device we propose possesses a degree of control, flexibility and tuning unmatched in other suggested implementations: The atoms can be manipulated in

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31

AURELIO, DANIELE. "Integrated Optics Based on Bloch Surface Waves." Doctoral thesis, Università degli studi di Pavia, 2019. http://hdl.handle.net/11571/1243688.

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Negli ultimi decenni, la ricerca nell'ambito della fotonica integrata ha fatto grandi passi avanti, e ha portato sia a nuova fisica che ad apparecchiature tecnologiche che ora permeano le nostre vite. Nella plasmonica, in particolare, si manipola la luce su scale nanometriche sfruttando le proprietà ottiche di nanostrutture metalliche. I plasmoni di superficie (SPP) sono oscillazioni di densità di carica che si propagano lungo l'interfaccia tra un metallo ed un mezzo dielettrico e la cui costante di propagazione dipende dalla funzione dielettrica sia del metallo che del dielettrico, e dunque n

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32

Matres, Abril Joaquín. "Ultrafast, CMOS compatible, integrated all optical switching." Doctoral thesis, Universitat Politècnica de València, 2014. http://hdl.handle.net/10251/37984.

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El proyecto consistirá en implementar funcionalidades fotónicas avanzadas sobre silicio tales como conmutación ultra rápida o la realización de puertas lógicas todo ópticas. Para ello se emplearán efectos no lineales del silicio basados en el efecto Kerr, producido por el coeficiente no lineal de tercer orden chi(3) .Los dispositivos deberán funcionar al menos a 40Gbps para que sean competitivos con los dispositivos actuales de última generación. También deberán ser compatibles con tecnología CMOS, lo cual es crucial para que la fabricación se pueda realizar a gran escala a precios competitivo

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33

Schow, Clint Lee. "Development of a high-speed, monolithically integrated silicon optical receiver /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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34

Carrière, James Thomas Anthony. "Ion-exchanged ring resonator integrated optic devices." Diss., The University of Arizona, 2004. http://hdl.handle.net/10150/290056.

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Ion-exchanged ring resonators are presented as inexpensive yet highly sensitive integrated optic devices. Several historical applications for ring resonators are outlined then compared with competing technologies. The theory of ring resonator devices is described in detail. The optimum designs for both single and double arm ring resonator configurations are discussed. Ring resonator performance is shown to depend on both the waveguide propagation loss and coupling efficiency. A theoretical model of the ion exchange process is presented and used to determine the processing parameters that minim

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35

Morrison, Blair. "Stimulated Brillouin Scattering in Integrated Circuits: Platforms and Applications." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/18838.

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Coherent interactions between light and sound have been of significant interest since the invention of the laser. Stimulated Brillouin scattering (SBS) is a type of coherent interaction where light is scattered from optically generated acoustic waves. SBS is a powerful tool for optical and microwave signal processing, with applications ranging from telecommunications and Radar, to spatial sensing and microscopy. Over the last decade there has been increasing interest in the investigation of Brillouin scattering at device scales smaller than the wavelength of light. New interactions with the wa

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36

Davis, Donald D. Jr. "Long-period fiber gratings fabricated with focused CO₂ laser pulses." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/15764.

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37

Kim, Young Woon. "Micromachined movable platforms as integrated optic devices." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/15874.

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38

Wu, Shun-Der. "Polymer-based volume holographic grating couplers for optical interconnects." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-06072004-131420/unrestricted/wu%5Fshun-der%5F200405%5Fphd.pdf.

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39

Bao, Yufei. "Integrated optical tapped-delay-lines : design, analysis and implementation." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/15446.

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40

Weed, Matthew. "Wavelength scale resonant structures for integrated photonic applications." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5888.

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An approach to integrated frequency-comb filtering is presented, building from a background in photonic crystal cavity design and fabrication. Previous work in the development of quantum information processing devices through integrated photonic crystals consists of photonic band gap engineering and methods of on-chip photon transfer. This work leads directly to research into coupled-resonator optical waveguides which stands as a basis for the primary line of investigation. These coupled cavity systems offer the designer slow light propagation which increases photon lifetime, reduces size limi

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41

de, Barros Correia Kyotoku Bernardo. "Applications of optical coherence tomography and advances into a photonic integrated device." Universidade Federal de Pernambuco, 2011. https://repositorio.ufpe.br/handle/123456789/6125.

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Made available in DSpace on 2014-06-12T18:02:18Z (GMT). No. of bitstreams: 2 arquivo5666_1.pdf: 7107729 bytes, checksum: 331daa72875ae82bd7eecdcd35436b14 (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2011<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Tomografia por coerência óptica (OCT) é uma técnica de imageamento não invasiva que usa radiação infravermelho para sondar alguns milímetros the profundidade de um alvo com um resolução de poucos micrômetros. Aqui, nós expomos a base teórica para entender a técnica. O

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42

Ruiz, Brunner Blanca Esthela. "Development of organic nonlinear optical crystals for integrated optics and THz generation /." Zürich : ETH, 2007. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17514.

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Tan, Ronson K. "Design and analysis of an integrated-optical serial-to-parallel converter for high-data-rate communications." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/13382.

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Akın, Osman Akın Osman. "All Optical Switching Via Diffraction Grating Formed By Interference of Gaussian Beams/." [s.l.]: [s.n.], 2005. http://library.iyte.edu.tr/tezler/master/elektrikveelektronikmuh/T000417.rar.

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Ding, Minsheng. "Energy efficient high port count optical switches." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/275326.

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The advance of internet applications, such as video streaming, big data and cloud computing, is reshaping the telecommunication and internet industries. Bandwidth demands in datacentres have been boosted by these emerging data-hungry internet applications. Regarding inter- and intra-datacentre communications, fine-grained data need to be exchanged across a large shared memory space. Large-scale high-speed optical switches tend to use a rearrangeably non-blocking architecture as this limits the number of switching elements required. However, this comes at the expense of requiring more sophistic

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46

Liao, Ting Di. "Integrated waveguide diffractive optics for guided-wave manipulation." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320676.

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Blanco, Sonia GarciÌa. "Electron-beam modification of silica for integrated optics." Thesis, University of Glasgow, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.272890.

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48

Cooper, Peter. "Ultra precision physical micro-machining for integrated optics." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/391305/.

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This study looks at the application of physical micromachining techniques to integrated optics. These physical micromachining techniques were used to make structures which would be difficult or impossible to produce using conventional cleanroom based technologies. A tuneable Bragg grating was fabricated and characterized and was found to offer an enhanced power efficiency for tuning of 45 pm/mW for the transverse magnetic mode and 39 pm/mW for the transverse electric mode. This an improvement in the operating power efficiency of a factor of 90 over bulk thermally tuned Bragg gratings in silica

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49

Sullivan, Amy Catharine. "Tomographic characterization of volume photopolymers for integrated optics." Connect to online resource, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3303870.

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50

Diaz, Fernando Javier. "On Hybrid Plasmonic Waveguides for Integrated Nonlinear Optics." Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/20282.

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The promise of plasmonics to compress light into sub-wavelength regions holds a potential pathway for nanoscale nonlinear optical devices. However an inherent trade-o? between light con?nement and propagation loss presently limits its use. A new type of plasmonic structure, which combines the best attributes of dielectric and plasmonic waveguides, has been proposed. Recent theoretical studies of these hybrid plasmonic waveguides, along with some experimental results, indicate that these structures can maintain a high ?eld con?nement while reducing propagation loss to moderate levels. Hence, th

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