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Rozprawy doktorskie na temat „Integrated Bragg Gratings”

Autor: Grafiati

Data publikacji: 6 września 2023

Data aktualizacji: 31 lipca 2025

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1

Strain, Michael. "Integrated chirped Bragg gratings for dispersion control." Thesis, University of Glasgow, 2007. http://theses.gla.ac.uk/440/.

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In this work, the need for an integrated optical dispersive device is discussed, with particular reference to pulse compression of semiconductor mode-locked laser (MLL) pulses that exhibit temporal chirp and therefore, worse than transform limited behaviour. It is shown that current techniques in fibre and integrated dispersion control do not overlap the dispersion regime presented, making it necessary to design a new integrated device for this purpose. A monolithic chirped Bragg grating is presented with dispersion and bandwidth characteristics coinciding with the previously mentioned regimes

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2

Delisle, Simard Alexandre. "Integrated bragg gratings in silicon-on-insulator." Thesis, Université Laval, 2014. http://www.theses.ulaval.ca/2014/30629/30629.pdf.

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Dans la littérature, les réseaux de Bragg intégrés sur silicium sont relativement simples par rapport à leurs contreparties fibrées. Cependant, la fabrication de réseaux plus élaborés permettrait d’améliorer la capacité de traitement du signal des circuits sur silicium. Cette thèse s’attarde donc aux difficultés encourues lors de la conception, de la fabrication et de la caractérisation de réseaux de Bragg sur silicium ayant une réponse spectrale élaborée. Tout d'abord, afin de caractériser la réponse spectrale complexe des réseaux, l’utilisation de filtrage temporel est proposée afin de suppr

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3

Simard, Alexandre D. "Integrated Bragg gratings in silicon-on-insulator." Doctoral thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/25032.

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Dans la littérature, les réseaux de Bragg intégrés sur silicium sont relativement simples par rapport à leurs contreparties fibrées. Cependant, la fabrication de réseaux plus élaborés permettrait d’améliorer la capacité de traitement du signal des circuits sur silicium. Cette thèse s’attarde donc aux difficultés encourues lors de la conception, de la fabrication et de la caractérisation de réseaux de Bragg sur silicium ayant une réponse spectrale élaborée. Tout d'abord, afin de caractériser la réponse spectrale complexe des réseaux, l’utilisation de filtrage temporel est proposée afin de suppr

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4

Khan, Mohammad Jalal. "Integrated optical filters using Bragg gratings and resonators." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8340.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.<br>Includes bibliographical references (p. [207]-213).<br>This thesis provides an in-depth study of optical filters made using integrated Bragg gratings and Bragg resonators. Various topologies for making add/drop filters using integrated gratings are outlined. Each class of devices is studied in detail and the theoretical tools needed for designing the add/drop are developed. First-order filters using Bragg resonators do not meet WDM add/drop filter specifications. Consequently,

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5

Tashtush, Aktham Atallah Mofleh. "Characterization of integrated Bragg gratings in silicon-on-insulator." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/7670/.

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Silicon-on-insulator (SOI) is rapidly emerging as a very promising material platform for integrated photonics. As it combines the potential for optoelectronic integration with the low-cost and large volume manufacturing capabilities and they are already accumulate a huge amount of applications in areas like sensing, quantum optics, optical telecommunications and metrology. One of the main limitations of current technology is that waveguide propagation losses are still much higher than in standard glass-based platform because of many reasons such as bends, surface roughness and the very stron

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6

Das, Bijoy Krishna. "Integrated optical distributed Bragg reflector and distributed feedback lasers in Er:LiNbO3 waveguides with photorefractive gratings." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=969348541.

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Das, Bijoy Krishna [Verfasser]. "Integrated Optical Distributed Bragg Reflector and Distributed Feedback Lasers in Er:LiNbO3 Waveguides with Photorefractive Gratings / Bijoy Krishna Das." Aachen : Shaker, 2003. http://d-nb.info/1179039815/34.

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8

Giuntoni, Ivano [Verfasser], and Klaus [Akademischer Betreuer] Petermann. "Tunable integrated module for the optical dispersion compensation based on Bragg gratings in silicon / Ivano Giuntoni. Betreuer: Klaus Petermann." Berlin : Universitätsverlag der TU Berlin, 2013. http://d-nb.info/1066546320/34.

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9

Mengin, Fondragon Mikhael de. "Etude d'un spéctromètre intégré SWIFTS pour réaliser des capteurs optiques fibrés pour les sciences de l'observation." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENT085/document.

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SWIFTS (pour Stationary-Wave Integrated Fourier-Transform Spectrometer) est un concept de spectromètre s'appuyant sur l'optique intégrée pour proposer un système de mesure compact et de très haute résolution. Il combine une technique d'interférométrie développée par Gabriel Lippmann avec des technologies de microélectroniques actuelles. La technologie SWIFTS sera ici utilisée en tant qu'interrogateur de fibre de Bragg. En effet, combiner ce spectromètre avec des fibres de Bragg très sensibles, telle qu'une cavité Fabry-Perot à réseaux de Bragg (GFPC) d'une longueur de 20 mm, permettra de mesur

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10

Wosinski, Lech. "Technology for photonic components in silica/silicon material structure." Doctoral thesis, KTH, Microelectronics and Information Technology, IMIT, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3556.

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<p>The main objectives of this thesis were to develop a lowtemperature PECVD process suitable for optoelectronicintegration, and to optimize silica glass composition forUV-induced modifications of a refractive index in PECVDfabricated planar devices. The most important achievement isthe successful development of a low temperature silicadeposition, which for the first time makes it is possible tofabricate good quality low loss integrated components whilekeeping the temperature below 250oC during the entirefabrication process. Two strong absorption peaks thatappear at1.5 mm communication window

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11

Wales, Dominic. "Planar integrated optical Bragg grating gas sensors." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/366987/.

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This thesis reports the development and modification of direct ultraviolet (UV) written planar integrated optical Bragg grating refractometers for detection of gases and vapours. The technique of direct UV writing utilises the localised refractive index increase within a UV-photosensitive silica layer, when the layer is exposed to a tightly focussed UV beam, to fabricate a wide range of optical waveguides and optical components. One such component, the Bragg grating, is used as an optical sensor for changes in refractive index. This thesis reports on the development of practical planar integra

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12

Smith, Kevin H. "In-fiber Optical Devices Based on D-fiber." BYU ScholarsArchive, 2005. https://scholarsarchive.byu.edu/etd/291.

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This dissertation presents the fabrication and analysis of in-fiber devices based on elliptical core D-shaped optical fiber. Devices created inside optical fibers are attractive for a variety of reasons including low loss, high efficiency, self-alignment, light weight, multiplexibility, and resistance to electromagnetic interference. This work details how D-fiber can be used as a platform for a variety of devices and describes the creation and performance of two of these devices: an in-fiber polymer waveguide and a surface relief fiber Bragg grating. In D-fiber the core is very close to the fl

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13

Murphy, Thomas E. (Thomas Edward). "Design, fabrication and measurement of integrated Bragg grating optical filters." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86582.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.<br>Includes bibliographical references (p. 237-247).<br>by Thomas E. Murphy.<br>Ph.D.

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14

Sima, Chaotan. "Integrated planar Bragg grating devices for advanced optical communication systems." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/359836/.

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This thesis presents theoretical and experimental studies of planar Bragg grating devices for all-optical signal processing. Bragg gratings offer a route to realise many systems for all-optical signal processing including photonic Hilbert transformers. The fabrication of Bragg gratings in a planar format allows monolithic integration with traditional planar components and micro-heaters to realise devices with desired performance. Photonic Hilbert transformers offer potential for a wide range of applications such as single-sideband modulation, and also provide operational bandwidths and speeds

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15

Riziotis, Christos. "Advanced Bragg grating based integrated optical devices for wavelength division multiplexing systems." Thesis, University of Southampton, 2002. https://eprints.soton.ac.uk/15489/.

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This thesis presents experimental and theoretical work towards the development of advanced integrated planar optical devices for wavelength division multiplexing (WDM) applications in optical communication systems. The presented work lies within a broad range of research areas, namely: design and simulation of novel Bragg grating based WDM passive devices, their performance characterization in simulated optical communication systems, fabrication and characterization of photosensitive thin films and finally device fabrication using ultraviolet induced refractive index changes. A complete model

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16

Hoffman, Galen Brandt. "Direct Write of Chalcogenide Glass Integrated Optics Using Electron Beams." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1322494007.

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17

Hepp, Stefan [Verfasser]. "Quantum dot single-photon sources based on waveguide Bragg grating cavities for integrated quantum photonics / Stefan Hepp." München : Verlag Dr. Hut, 2021. http://d-nb.info/1240540167/34.

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18

Duprez, Hélène. "From design to characterization of III-V on silicon lasers for photonic integrated circuits." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEC005/document.

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Ces trois années de thèse balayent la conception, la fabrication et la caractérisation de lasers III V sur silicium à 1.31 µm pour les data-communications. Le design des sources englobe notamment l’optimisation du couplage entre l’empilement III V et le silicium, effectué grâce à un taper adiabatique, ainsi que l’étude de la cavité laser inscrite, comme le taper, dans le silicium. Trois types de cavités à base de réseaux ont été étudiées: les cavités à contre-réaction distribuée (DFB pour distributed feedback), celles à réseaux de Bragg distribuées (DBR pour distributed Bragg reflector) et enf

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19

Blais, Sebastien. "Design and realization of a Bragg grating prism on planar integrated optical waveguides for wideband photonic true time-delay beamforming." Thesis, University of Ottawa (Canada), 2005. http://hdl.handle.net/10393/26856.

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This thesis presents a simulation and experimental study of a true time-delay (TTD) beamforming network using a Bragg grating prism on Ge-doped silica-on-silicon planar integrated optical waveguide for application in phased array antennas (PAA). The Bragg grating prism is designed and fabricated on planar optical waveguides and the true time-delay beamforming module is implemented using the fabricated waveguide Bragg grating prism and other photonic components. When dealing with a remotely controlled PAA, the dispersive properties of a standard single mode fiber must be taken under considerati

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20

Guo, Honglei. "Miniaturized Wavelength Interrogation For The Aircraft Structural Health Monitoring And Optofluidic Analysis." Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31180.

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In this thesis, miniaturized wavelength interrogators based on planar lightwave circuits (PLCs) are investigated and developed for the optical fiber sensing applications in the aircraft structural health monitoring (SHM) and optofluidic analysis. Two interrogation systems based on an arrayed waveguide grating (AWG) and an Echelle diffractive grating (EDG) are developed and used to convert the optical sensing signals into strain, temperature, vibration, damage, and humidity information for the aircraft SHM. A fiber Bragg grating (FBG) sensing system using developed interrogators is then demonst

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21

Das, Bijoy Krishna [Verfasser]. "Integrated optical distributed Bragg reflector and distributed feedback lasers in Er:LiNbO3 waveguides with photorefractive gratings / by Bijoy Krishna Das." 2003. http://nbn-resolving.de/urn:nbn:de:hbz:466-2003010199.

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22

Samad, Shafeek A. "Integrated Optic Waveguide Bragg Grating Devices in Silicon-on-Insulator and Their Applications: Design, Analysis and Fabrication." Thesis, 2023. https://etd.iisc.ac.in/handle/2005/6092.

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Integrated Waveguide Bragg Gratings are on-chip counterparts of Fiber Bragg Gratings. The working principles are similar, and functionalities could be explained with Coupled Mode Theory. Periodic index contrast required for Bragg reflection is achieved through physical corrugation of the waveguide walls. Being an 1D photonic crystal, such an Integrated Optic component is necessary for numerous applications involving wavelength selective functionality. Due to the large index contrast and tight mode confinement of sub-micron waveguides, realization of narrow bandwidth Bragg Gratings on chip r

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23

Ovvyan, Anna. "Nanophotonic circuits for single photon emitters." Doctoral thesis, 2018. http://hdl.handle.net/2158/1175896.

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Nanophotonic circuits for single photon emitters. The work demonstrated in this thesis is dedicated to the engineering, simulation, fabrica-tion and investigation of the essential element base to develop hybrid fully integrated nanopho-tonic circuit with coupled single photon emitter on chip. Combining several individually opti-mized stages of photonic devices, interconnected by nanoscale waveguides on chip with eva-nescently coupled single photon emitter, is a key step to the realization of such a scheme. The main requirements which should be satisfied for building such a hybrid system on-chi

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