Dissertation
Model Calculations and Implementation of Filters and Hybrid Green VCSELs based on Optical Thin Film Stacks
Abstract
This work introduced the novel conception of complex coupled hybrid VCSELs for the first time. Alternating organic and inorganic layers in the lasers provide periodic variation of refractive index and optical gain, which enable single mode operation and low threshold of the VCSELs. Model calculations revealed great reduction of the lasing threshold with factors over 30, in comparison with the existing micro-cavity lasers. Tunable green VCSEL has been also designed, implemented and analyzed taking advantage of the broad photoluminescence spectra of the organics. Free standing optical thin films without compressive stress are technologically implemented. Multiple membrane stacks with air gap in between have been fabricated for the implementation of complex coupled VCSEL structures. Complex coupled hybrid VCSEL is a very promising approach to fill the gaps in the green spectral range of the semiconductor lasers.
Citation
@phdthesis{urn:nbn:de:hebis:34-2010062533604,
author={Wang, Yanqi},
title={Model Calculations and Implementation of Filters and Hybrid Green VCSELs based on Optical Thin Film Stacks},
school={Kassel, Universität, FB 16, Elektrotechnik / Informatik},
month={06},
year={2010}
}
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<resource xsi:schemaLocation="http://datacite.org/schema/kernel-2.2 http://schema.datacite.org/meta/kernel-2.2/metadata.xsd"> 2010-06-25T14:02:23Z 2010-06-25T14:02:23Z 2010-06-25T14:02:23Z urn:nbn:de:hebis:34-2010062533604 http://hdl.handle.net/123456789/2010062533604 eng Urheberrechtlich geschützt https://rightsstatements.org/page/InC/1.0/ VCSEL complex coupling organic Fabry-Perot filter thin film DBR 620 Model Calculations and Implementation of Filters and Hybrid Green VCSELs based on Optical Thin Film Stacks Dissertation This work introduced the novel conception of complex coupled hybrid VCSELs for the first time. Alternating organic and inorganic layers in the lasers provide periodic variation of refractive index and optical gain, which enable single mode operation and low threshold of the VCSELs. Model calculations revealed great reduction of the lasing threshold with factors over 30, in comparison with the existing micro-cavity lasers. Tunable green VCSEL has been also designed, implemented and analyzed taking advantage of the broad photoluminescence spectra of the organics. Free standing optical thin films without compressive stress are technologically implemented. Multiple membrane stacks with air gap in between have been fabricated for the implementation of complex coupled VCSEL structures. Complex coupled hybrid VCSEL is a very promising approach to fill the gaps in the green spectral range of the semiconductor lasers. open access Wang, Yanqi Kassel, Universität, FB 16, Elektrotechnik / Informatik Hillmer, Hartmut (Prof. Dr.) Börcsök, Josef (Prof. Dr.) Witzigmann, Bernd (Prof. Dr.) Bangert, Axel (Prof. Dr.) Festkörperlaser 2010-06-02 </resource>
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