Tesis sobre el tema "Optical switche"
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Branč, Martin. "Media konvertory a optické switche". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218967.
Texto completoRossek, Sacha J. "Direct optical control of a microwave phase shifter using GaAs field-effect transistors". Thesis, Middlesex University, 1995. http://eprints.mdx.ac.uk/10682/.
Texto completoDing, Minsheng. "Energy efficient high port count optical switches". Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/275326.
Texto completoNg, Han-Yong. "Thermally Controllable Microring Resonator-based Silicon Photonic Switch". Scholarly Repository, 2007. http://scholarlyrepository.miami.edu/oa_theses/82.
Texto completoWang, Kai. "Design and experiment implementation on low energy and power controlled SOA based optical switches for large scale switch applications". Thesis, University of Cambridge, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648882.
Texto completoBrown, G. J. "Optical switch systems". Thesis, Queen's University Belfast, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419354.
Texto completoMa, Yuan. "Optimal mems plate design and control for large channel count optical switches". College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/2071.
Texto completoThesis research directed by: Electrical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Chu, Hsiao-Hua. "Optical beam-steering switches". Thesis, King's College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271112.
Texto completoVilar, Mateo Ruth. "Optical performance monitoring in optical packet-switched networks". Doctoral thesis, Universitat Politècnica de València, 2010. http://hdl.handle.net/10251/8926.
Texto completoVilar Mateo, R. (2010). Optical performance monitoring in optical packet-switched networks [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/8926
Palancia
Gunning, Paul. "Distributed optical TDMA photonic switch fabric based on gain-switched distributed feedback semiconductor laser diodes and electroabsorption modulators". Thesis, University of Essex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247025.
Texto completoChowdhury, Arshad M. "Optical Label Switching Technologies for Optical Packet Switched Networks". Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14047.
Texto completoFischer, Stefan. "Versatile all-optical interferometric switch for optical telecommunication systems /". Zürich, 2000. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13836.
Texto completoMénard, Michaël. "Integrated Fabry-Perot optical space switches". Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66761.
Texto completoAlors que de plus en plus de gens utilisent les technologies de l'information pour accomplir une variété croissante de tâches, le besoin pour des réseaux de télécommunication optique plus flexibles et de plus grande capacité est grandissant. En plus d'augmenter la vitesse de transmission et le nombre de canaux disponibles, de nouvelles architectures utilisant la commutation optique par rafale ou par paquet sont en développement puisqu'elles permettent une utilisation plus efficace de la capacité de transmission et qu'elles rendent possible la réorganisation du réseau en fonction des variations des demandes de service. L'implémentation de tels réseaux nécessite des commutateurs optiques rapides, transparents, à large bande et extensibles. Bien que la recherche sur les commutateurs optiques est cours depuis des décennies, aucune des solutions proposées jusqu'à maintenant ne possède toutes ces qualités. Le travail présenté dans cette thèse décrit une nouvelle configuration de commutateurs optiques utilisant des filtres Fabry-Perot intégrés et accordables qui fonctionnent à incidence oblique et explore leur performance.L'approche utilisée pour concevoir ce nouveau commutateur est expliquée et démontrée par la fabrication et la caractérisation de prototypes optiques. Ces prototypes sont construits dans un guide d'onde planaire en arsenic de gallium et ils sont conçus pour être opérés à l'aide des effets électro-optiques. De profondes gravures sont utilisées pour créer les composantes du commutateur et une étude sur l'optimisation de la structure du guide d'onde est faite dans le but de minimiser les pertes par radiation. Afin de maximiser le nombre de canaux opérables avec une faible modulation de l'indice de réfraction, les commutateurs possèdent une réponse en peigne espacée de 200 GHz qui transmet/réfléchit un canal sur deux de la grille de 100 GHz de l'ITU.$
Bryant, Reginald (Reginald Eugene) 1978. "High-index-contrast electromechanical optical switches". Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/65998.
Texto completo"June 2011." Cataloged from PDF version of thesis.
Includes bibliographical references (p. 278-288).
System developers are looking to replace protocol-dependent, bandwidth-limited optical networks with intelligent optically-transparent integrated photonic networks. Several electromechanical optical switches are explored with the intent of being utilized as optical switching elements in transparent, integrated photonic networks. The electromechanical optical switches are based on high-index-contrast waveguide optics that is integrated with electrostatic parallel plate actuators on submicron scales. High-index-contrast waveguides are attractive due to their reduced bending radius and low in-plane scattering and optical loss. These qualities of high-index-contrast waveguides make them uniquely suited for low-cost, large-scale integration. The parallel plate actuators are used to control the waveguide light switching by mechanically establishing and terminating light pathways on time scales well below 100s of microseconds. Investigations of light pathway coupling schemes and parallel plate actuator configurations led to the development of several device structures that are categorized in three distinct device generations. Design premiums were placed upon device footprint minimization, polarization independence, high extinction ratios, and operational robustness.
by Reginald Eugene Bryant.
Ph.D.
Owen, Mark. "Monolithic integration of optical space switches". Thesis, University of Bristol, 1998. http://hdl.handle.net/1983/24cce4d9-04e1-4363-843b-c0e24f547dea.
Texto completoAw, Eng Tin. "Architectures for large scale optical switches in optical interconnection networks". Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611407.
Texto completoWang, Haibo. "Semiconductor optical amplifier based optical switches for large scale integration". Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609412.
Texto completoSATO, Ken-ichi, Hiroshi HASEGAWA y Shoji KAKEHASHI. "Optical Cross-Connect Switch Architectures for Hierarchical Optical Path Networks". Institute of Electronics, Information and Communication Engineers, 2008. http://hdl.handle.net/2237/14993.
Texto completoHuxley, Allen John McAllister. "Switches based on molecular recognition processes". Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322948.
Texto completoLi, Xin. "Scheduling optical packet switches with reconfiguration delay /". View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?COMP%202005%20LI.
Texto completoLu, Zeqin. "Silicon photonic switches for optical communication applications". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/63132.
Texto completoApplied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate
Roberts, Guy Frank. "Wavelength coding for SOA switched optical interconnects". Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613348.
Texto completoZhao, Yun. "Low Noise All Optical Switch and GeSn Laser for Silicon Photonics". University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1460648525.
Texto completoYow, Chee Kim. "Ultrafast semiconductor-based interferometer all-optical switch for future optical networks". Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614232.
Texto completoThomson, David. "Silicon based total internal reflection optical switch". Thesis, University of Surrey, 2009. http://epubs.surrey.ac.uk/844092/.
Texto completoMuhyaldin, Siham. "Investigation of EDFA power transients in circuit-switched and packet-switched optical networks". Thesis, Aston University, 2009. http://publications.aston.ac.uk/18275/.
Texto completoLi, Jie. "Design and synthesis of organic chiroptical switches". Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/27385.
Texto completoRinehart, Michael David. "Optimal control of controllable switched systems". Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33201.
Texto completoThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (p. 83-85).
Many of the existing techniques for controlling switched systems either require the solution to a complex optimization problem or significant sacrifices to either stability or performance to offer practical controllers. In [13], it is shown that stabilizing, practical controllers with meaningful performance guarantees can be constructed for a specific class of hybrid systems by parameterizing the controller actions by a finite set. We extend this approach to the control of controllable switched systems by constraining the switching portion of the control input and fixing the feedback controller for each subsystem. We show that, under reasonable assumptions, the resulting system is guaranteed to converge to the target while providing meaningful performance. We apply our approach to the direct-injection stratified charge (DISC) engine and compare the results to that of a model predictive controller designed for the same application.
by Michael David Rinehart.
S.M.
Salas, Emilio Hugues. "Design and implementation of optical buffer architectures for optical packet-switched networks". Thesis, University of Essex, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.495571.
Texto completoJong, Jacob Jan Dirk de. "Dithienylcyclopentene optical switches addressing dynamic chirality and aggregation /". [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 2006. http://irs.ub.rug.nl/ppn/292375689.
Texto completoRedic, Richard Charles. "Design and synthesis of potential organic optical switches". Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/30865.
Texto completoYuan, Xiaochun y 袁小春. "Routing protocols in all-optical packet switched networks". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31243885.
Texto completoLam, Candies T. Y. "Photonic edge router for optical packet switched networks". Thesis, University of Essex, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402834.
Texto completoWeichenberg, Guy E. (Guy Elli) 1978. "Design and analysis of optical flow switched networks". Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/47743.
Texto completoIncludes bibliographical references (p. 253-279).
In the four decades since optical fiber was introduced as a communications medium, optical networking has revolutionized the telecommunications landscape. It has enabled the Internet as we know it today, and is central to the realization of Network-Centric Warfare in the defense world. Sustained exponential growth in communications bandwidth demand, however, is requiring that the nexus of innovation in optical networking continue, in order to ensure cost-effective communications in the future. In this thesis, we present Optical Flow Switching (OFS) as a key enabler of scalable future optical networks. The general idea behind OFS-agile, end-to-end, all-optical connections-is decades old, if not as old as the field of optical networking itself. However, owing to the absence of an application for it, OFS remained an underdeveloped idea-bereft of how it could be implemented, how well it would perform, and how much it would cost relative to other architectures. The contributions of this thesis are in providing partial answers to these three broad questions. With respect to implementation, we address the physical layer design of OFS in the metro-area and access, and develop sensible scheduling algorithms for OFS communication. Our performance study comprises a comparative capacity analysis for the wide-area, as well as an analytical approximation of the throughput-delay tradeoff offered by OFS for inter-MAN communication. Lastly, with regard to the economics of OFS, we employ an approximate capital expenditure model, which enables a throughput-cost comparison of OFS with other prominent candidate architectures. Our conclusions point to the fact that OFS offers significant advantage over other architectures in economic scalability.
(cont.) In particular, for sufficiently heavy traffic, OFS handles large transactions at far lower cost than other optical network architectures. In light of the increasing importance of large transactions in both commercial and defense networks, we conclude that OFS may be crucial to the future viability of optical networking.
by Guy E. Weichenberg.
Ph.D.
Molter, Lynne Ann. "Integrated optical multiple waveguide coupler switches and lenses". Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/68228.
Texto completoLin, Tao. "Switched optical interconnect in short reach data networks". Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.613162.
Texto completoGrimsley, Jonathan Scot. "Light Loss In Single Mode Fiber Optical Switches". Master's thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/37142.
Texto completoMaster of Science
Yuan, Xiaochun. "Routing protocols in all-optical packet switched networks /". Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25100725.
Texto completoSabesan, L. "Modelling of a twin-ridge optical amplifier switch". Thesis, London South Bank University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.618639.
Texto completoMillett, Ronald. "Design of an SOA-based integrated optical switch". Thesis, University of Ottawa (Canada), 2005. http://hdl.handle.net/10393/26984.
Texto completoBurnham, Kikue Sugiyama. "Phototriggers for a liquid crystal-based optical switch". Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/27900.
Texto completoTang, Xinke. "Optically switched quantum key distribution network". Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/289444.
Texto completoJohnston, Wesley James. "Nonlinear optics in Bragg-spaced quantum wells". Diss., University of Iowa, 2010. https://ir.uiowa.edu/etd/826.
Texto completoYeo, Yong-Kee. "Dynamically Reconfigurable Optical Buffer and Multicast-Enabled Switch Fabric for Optical Packet Switching". Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14615.
Texto completoMinakhmetov, Artur. "Cross-layer hybrid and optical packet switching". Electronic Thesis or Diss., Institut polytechnique de Paris, 2019. http://www.theses.fr/2019IPPAT006.
Texto completoTransparent optical telecommunication networks constitute a development step from all-electronic networks. Current data network technologies already actively employ optical fibers and transparent networks in the core, metro, and residential area networks. However, these networks still rely on Electronic Packet Switching (EPS) for packets routing, constituting obligatory for each packet optical-to-electronic-to-optical (OEO) signal conversion. On the other hand, Optical Packet Switching (OPS), seemed to be as replacement of EPS, has long promised performance and energy consumption improvements by going away from OEO conversions; however, the absence of practical optical buffers made OPS highly vulnerable to contention, incurring performance reduction, and getting in the way of profiting from OPS gains. The subject of this research lies in the investigation of the performance of OPS networks under all-optical and hybrid switches, while server-side transmission activities are regulated by Transport Control Protocols based on Congestion Control Algorithms (TCP CCAs). We consider that OPS could be enabled by use hybrid switch, i.e. device-level solution, as well by use of specially designed TCP CCAs, i.e. networklevel solution, giving birth to Hybrid Optical Packet Switching (HOPS) networks. We extensively study OPS, HOPS and EPS types of Data Center Networks (DCN) coupled with different TCP CCAs use by following the next three axes of DCN performance: Throughput, Energy Consumption, and Latency. As for TCP CCAs we consider not only existing but also newly developed solutions. If Stop-And-Wait (SAW), Selective Acknowledgment (SACK), modified SACK (mSACK) and Data Center TCP (DCTCP) are already known to the world, StopAnd-Wait-Longer (SAWL) is newly presented and is designed to bring the best out of the HOPS DCN. As a result, it is shown that hybrid switch solutions significantly outperform bufferless all-optical switches and reach the level of all-electronic switches in DCNs in terms of throughput. In terms of energy consumption, hybrid solutions can save up to 4 times on energy on switching compared to all-electronic solutions. As well HOPS DCNs can exhibit microseconds-scale average latencies, surpassing EPS and performing on the level with OPS. The question of the introduction of Classes of Service to HOPS DCN is also investigated: it was found that class-specific switching rules to hybrid switch can ameliorate the performance of certain classes without almost performance loss in others
Bachmann, Maurus. "Polarization intensive integrated optical waveguide switches using InGaAsP / InP /". Zürich, 1995. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=11072.
Texto completoManolis, Ilias G. "Electrically addressed liquid crystal phase gratings for optical switches". Thesis, University of Cambridge, 2002. https://www.repository.cam.ac.uk/handle/1810/251845.
Texto completoAlTaha, Mohammed Wadah. "Automatic tuning circuits for Mach-Zehnder interferometer optical switches". Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/63660.
Texto completoApplied Science, Faculty of
Electrical and Computer Engineering, Department of
Graduate
Said, Salim Youssef. "Control and survivability issues for optical burst switched networks". Thesis, University of Ottawa (Canada), 2005. http://hdl.handle.net/10393/27029.
Texto completoGranger, Timothy John. "Reconfigurable wavelength-switched optical networks for the internet core". Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615682.
Texto completo