Marcin Gebski,1 Majid Riaziat,2 Martin Zorn,3 James A. Lott,4 Tomasz Czyszanowski1
1Lodz Univ. of Technology (Poland) 2OEpic Semiconductors Inc. (United States) 3JENOPTIK Optical Systems GmbH (Germany) 4Technische Univ. Berlin (Germany)
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We show our latest results on electrically-driven VCSELs incorporating a monolithic high contrast grating (MHCG) mirror. Via optimized processing techniques we achieve a 3-fold improvement in threshold current and optical output power and a 2-fold improvement in the small-signal modulation bandwidth frequency with respect to the first generation of our MHCG VCSELs.
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Marcin Gebski, Majid Riaziat, Martin Zorn, James A. Lott, Tomasz Czyszanowski, "Progress in MHCG VCSELs (Conference Presentation)," Proc. SPIE 11300, Vertical-Cavity Surface-Emitting Lasers XXIV, 113000T (9 March 2020); https://doi.org/10.1117/12.2547328