Slow-light photonic crystal devices for high-speed optical signal processing PDF
Preview Slow-light photonic crystal devices for high-speed optical signal processing
Karlsruhe Series in Photonics & Communications, Vol. 4 Karlsruhe Series in Photonics & Communications, Vol. 4 Edited by Prof. J. Leuthold and Prof. W. Freude Universität Karlsruhe (TH) Institute of High-Frequency and Quantum Electronics (IHQ) g Germany n i s Jan-Michael Brosi s e c Photonic crystals are nano-optical devices that have the potential to slow down o r P the propagation of light. “Slow light” is not only useful for generating true time l delays, but is also good for enhancing nonlinear effects. With photonic crystals a n Slow-Light Photonic Crystal it is basically possible to tailor dispersion. Devices can be integrated in silicon- g i S on-insulator photonic chips and could also be combined with electronics. For l a fabrication, the well-established CMOS process is available. c Devices for High-Speed i t p O This book discusses design, modeling, and the characterization of fabricated Optical Signal Processing d slow-light photonic crystal waveguides, where applications aim for high-speed e e optical signal processing. Slow-light photonic crystal waveguides are fabrica- p S ted both at optical and microwave frequencies. Microwave model measure- - h ments serve as a highly accurate reference, based on which various numerical g i H methods for calculating photonic crystals are evaluated and compared. Guide- r lines are developed to obtain slow-light waveguides with broadband characte- o f ristics. Losses by fabrication imperfections are numerically determined and s e minimized. Nonlinearities are enhanced by a proper waveguide design and by c i v additionally employing nonlinear organic materials. Three functional devices e D are proposed and studied: A tunable dispersion compensator, a tunable opti- C cal delay line, and a high-speed electro-optic modulator. Optical measure- P ments confirm the designs. t h g i L About the Author - w Jan-Michael Brosi was born in 1978 in Filderstadt, Germany. In 2002 he recei- o l S ved the M.Sc. degree in Electrical Engineering from Georgia Institute of Tech- nology, Atlanta, USA, and in 2008 the Dr.-Ing. (Ph.D.) degree from University of Karlsruhe, Germany. His research is focused on modeling, processing and characterization of photonic crystals and integrated optical devices. i s o r B l e a h c i M - n a J ISSN: 1865-1100 ISBN: 978-3-86644-313-6 www.uvka.de 4 Jan-Michael Brosi Slow-Light Photonic Crystal Devices for High-Speed Optical Signal Processing Karlsruhe Series in Photonics & Communications, Vol. 4 Edited by Prof. J. Leuthold and Prof. W. Freude Universität Karlsruhe (TH), Institute of High-Frequency and Quantum Electronics (IHQ), Germany Slow-Light Photonic Crystal Devices for High-Speed Optical Signal Processing by Jan-Michael Brosi Dissertation, Universität Karlsruhe (TH) Fakultät für Elektrotechnik und Informationstechnik, 2008 Impressum Universitätsverlag Karlsruhe c/o Universitätsbibliothek Straße am Forum 2 D-76131 Karlsruhe www.uvka.de Dieses Werk ist unter folgender Creative Commons-Lizenz lizenziert: http://creativecommons.org/licenses/by-nc-nd/2.0/de/ Universitätsverlag Karlsruhe 2009 Print on Demand ISSN: 1865-1100 ISBN: 978-3-86644-313-6 Slow-Light Photonic Crystal Devices for High-Speed Optical Signal Processing ZurErlangungdesakademischenGradeseines DOKTOR-INGENIEURS vonderFakulta¨tfu¨r ElektrotechnikundInformationstechnik derUniversita¨tKarlsruhe(TH) genehmigte DISSERTATION von Jan-Michael Brosi, M. Sc. geboreninFilderstadt Tagdermu¨ndlichenPru¨fung: 18.Juli2008 Hauptreferent: Prof.Dr.-Ing.Dr.h.c.WolfgangFreude Korreferenten: Prof.Dr.sc.nat.Ju¨rgLeuthold Prof.Dr.rer.nat.UlrichLemmer
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