$Diffractive optics for polarization control of vertical-cavity surface-emitting lasers [Elektronische Ressource] / by Johannes Michael Ostermann$

235 pages

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Diffractive optics for polarization control of vertical-cavity surface-emitting lasers [Elektronische Ressource] / by Johannes Michael Ostermann

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235 pages

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Diﬀractive Optics for Polarization Control ofVertical-Cavity Surface-Emitting LasersDISSERTATIONto obtain the academic degree ofDOKTOR-INGENIEUR(DR.-ING.)from the Faculty of Engineering Science and Computer SciencesUlm UniversitybyJohannes Michael Ostermannfrom Reutlingen, GermanyReferees: Prof. Dr. rer. nat. Karl Joachim EbelingProf. Dr. rer. nat. Wolfgang Elsaßer¨Dean of Faculty: Prof. Dr. rer. nat. Helmuth PartschUlm, July 10th, 2007To Pierluigi Debernardiwho had the idea for this thesisAcknowledgementThis thesis would not have been possible without Pierluigi Debernardi. It was his ideato use surface gratings for polarization control of VCSELs. By allowing me to use andteachingmehowtousehisexcellentVELM-model,hegavemethetheoreticalbackgroundnecessary for this thesis. I am very grateful to him for the very deep collaboration and thefriendship we have since we met the ﬁrst time at the beginning of my PhD thesis.On the other hand, this thesis would not have been possible as well without the expertisein VCSELs and the excellent research conditions, which were built up in the last 15 yearsin the Institute of Optoelectronics at Ulm University by Prof. Dr. Karl Joachim Ebeling,Dr.-Ing. Rainer Michalzik, and Dr.-Ing. Jurgen Mahnß. I am very grateful to them for¨ ¨their help and support.All students working with me during the years of this PhD thesis contributed stronglywith their semester and diploma theses to the success of surface grating VCSELs.

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