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Proceedings Paper

Semiconductor-metal subwavelength grating VCSELs: new concept of emission mirror enabling vertical current injection
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Paper Abstract

We propose semiconductor-metal subwavelength grating (SMSG) which can be implemented as VCSEL mirror. Such new type of SMSG plays a double role of the electric contact and mirror simultaneously. It facilitates high optical power reflectance, perfectly vertical current injection. Such construction eliminates the inbuilt current confinement and allows scaling of emitted power by simple variation of SMSG spatial dimensions. To give the credibility to proposed design we perform numerical analysis of VCSEL with SMSG using fully vectorial optical model. We discuss properties of the proposed design realized in arsenide-based material configuration.

Paper Details

Date Published: 25 February 2017
PDF: 7 pages
Proc. SPIE 10122, Vertical-Cavity Surface-Emitting Lasers XXI, 101220M (25 February 2017); doi: 10.1117/12.2253152
Show Author Affiliations
Tomasz Czyszanowski, Lodz Univ. of Technology (Poland)
Marcin Gębski, Lodz Univ. of Technology (Poland)
Technische Univ. Berlin (Germany)
Maciej Dems, Lodz Univ. of Technology (Poland)
Krassimir Panajotov, Vrije Univ. Brussel (Belgium)
Institute of Solid State Physics (Bulgaria)


Published in SPIE Proceedings Vol. 10122:
Vertical-Cavity Surface-Emitting Lasers XXI
Kent D. Choquette; Chun Lei, Editor(s)

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