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17 March 2023 Impact of VCSEL array geometry on their performance
Marcin Gebski, Dominika Dabrowka, Marta Wieckowska, Patrycja Spiewak, Weronika Glowadzka, Robert P. Sarzala, Michal Wasiak, Rafal Pietruszka, Cezary Kobylecki, Iwona Pasternak, Walery Kolkowski, Wlodek Strupinski, James A. Lott, Tomasz Czyszanowski
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Proceedings Volume PC12439, Vertical-Cavity Surface-Emitting Lasers XXVII; PC1243906 (2023) https://doi.org/10.1117/12.2652102
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
We present an extensive experimental analysis of two-dimensional gallium-arsenide-based VCSEL arrays considering the impact on performance of the VCSEL density (inter-VCSEL spacing and mesa diameters), the number and arrangement of VCSEL elements, and the VCSEL vertical epitaxial design. We include computer simulations that explain well the behavior and trends we observe in our experiments. We present the most efficient modifications of the lateral and vertical VCSEL arrays designs to optimize heat dissipation, optical output power scaling, and wall plug efficiency.
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Marcin Gebski, Dominika Dabrowka, Marta Wieckowska, Patrycja Spiewak, Weronika Glowadzka, Robert P. Sarzala, Michal Wasiak, Rafal Pietruszka, Cezary Kobylecki, Iwona Pasternak, Walery Kolkowski, Wlodek Strupinski, James A. Lott, and Tomasz Czyszanowski "Impact of VCSEL array geometry on their performance", Proc. SPIE PC12439, Vertical-Cavity Surface-Emitting Lasers XXVII, PC1243906 (17 March 2023); https://doi.org/10.1117/12.2652102
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KEYWORDS
Vertical cavity surface emitting lasers
Chemical elements
Computer simulations
Data communications
Diffraction
Distributed Bragg reflectors
Gallium arsenide
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