Polarization investigation of a tunable high-speed short-wavelength bulk-micromachined MEMS-VCSEL

H. A. Davani; B. Kögel; P. Debernardi; C. Grasse; C. Gierl; K. Zogal; Å. Haglund; J. Gustavsson; P. Westbergh; T. Gründl; P. Komissinskiy; T. Bitsch; L. Alff; F. Küppers; A. Larsson; M.-C. Amann; P. Meissner

doi:10.1117/12.908262

7 February 2012 Polarization investigation of a tunable high-speed short-wavelength bulk-micromachined MEMS-VCSEL

H. A. Davani, B. Kögel, P. Debernardi, C. Grasse, C. Gierl, K. Zogal, Å. Haglund, J. Gustavsson, P. Westbergh, T. Gründl, P. Komissinskiy, T. Bitsch, L. Alff, F. Küppers, A. Larsson, M.-C. Amann, P. Meissner

Author Affiliations +

Proceedings Volume 8276, Vertical-Cavity Surface-Emitting Lasers XVI; 82760T (2012) https://doi.org/10.1117/12.908262
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

We report the investigation of the state of polarization (SOP) of a tunable vertical-cavity surface-emitting laser (VCSEL) operating near 850 nm with a mode-hop free single-mode tuning range of about 12 nm and an amplitude modulation bandwidth of about 5 GHz. In addition, the effect of a sub-wavelength grating on the device and its influence on the polarization stability and polarization switching has been investigated. The VCSEL with an integrated sub-wavelength grating shows a stable SOP with a polarization mode suppression ratio (PMSR) more than 35 dB during the tuning.

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H. A. Davani, B. Kögel, P. Debernardi, C. Grasse, C. Gierl, K. Zogal, Å. Haglund, J. Gustavsson, P. Westbergh, T. Gründl, P. Komissinskiy, T. Bitsch, L. Alff, F. Küppers, A. Larsson, M.-C. Amann, and P. Meissner "Polarization investigation of a tunable high-speed short-wavelength bulk-micromachined MEMS-VCSEL", Proc. SPIE 8276, Vertical-Cavity Surface-Emitting Lasers XVI, 82760T (7 February 2012); https://doi.org/10.1117/12.908262

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