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Proceedings Paper

Polarization investigation of a tunable high-speed short-wavelength bulk-micromachined MEMS-VCSEL
Author(s): 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
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Paper 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.

Paper Details

Date Published: 7 February 2012
PDF: 8 pages
Proc. SPIE 8276, Vertical-Cavity Surface-Emitting Lasers XVI, 82760T (7 February 2012); doi: 10.1117/12.908262
Show Author Affiliations
H. A. Davani, Technische Univ. Darmstadt (Germany)
B. Kögel, Chalmers Univ.of Technology (Sweden)
P. Debernardi, Instituto di Elettronica e di Ingegneria dell'Informazione e delle Telecomunicazioni (Italy)
C. Grasse, Walter Schottky Institut (Germany)
C. Gierl, Technische Univ. Darmstadt (Germany)
K. Zogal, Technische Univ. Darmstadt (Germany)
Å. Haglund, Chalmers Univ.of Technology (Sweden)
J. Gustavsson, Chalmers Univ.of Technology (Sweden)
P. Westbergh, Chalmers Univ.of Technology (Sweden)
T. Gründl, Walter Schottky Institut (Germany)
P. Komissinskiy, Technische Univ. Darmstadt (Germany)
T. Bitsch, Technische Univ. Darmstadt (Germany)
L. Alff, Technische Univ. Darmstadt (Germany)
F. Küppers, Technische Univ. Darmstadt (Germany)
A. Larsson, Chalmers Univ.of Technology (Sweden)
M.-C. Amann, Walter Schottky Institut (Germany)
P. Meissner, Technische Univ. Darmstadt (Germany)

Published in SPIE Proceedings Vol. 8276:
Vertical-Cavity Surface-Emitting Lasers XVI
Chun Lei; Kent D. Choquette, Editor(s)

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