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

Tomasz Czyszanowski; Marcin Gębski; Maciej Dems; Krassimir Panajotov

doi:10.1117/12.2253152

25 February 2017 Semiconductor-metal subwavelength grating VCSELs: new concept of emission mirror enabling vertical current injection

Tomasz Czyszanowski, Marcin Gębski, Maciej Dems, Krassimir Panajotov

Author Affiliations +

Proceedings Volume 10122, Vertical-Cavity Surface-Emitting Lasers XXI; 101220M (2017) https://doi.org/10.1117/12.2253152
Event: SPIE OPTO, 2017, San Francisco, California, United States

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.

Conference Presentation

Citation Download Citation

Tomasz Czyszanowski, Marcin Gębski, Maciej Dems, and Krassimir Panajotov "Semiconductor-metal subwavelength grating VCSELs: new concept of emission mirror enabling vertical current injection", Proc. SPIE 10122, Vertical-Cavity Surface-Emitting Lasers XXI, 101220M (25 February 2017); https://doi.org/10.1117/12.2253152

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