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Proceedings Paper

Passively mode-locked electrically pumped VECSELs
Author(s): C. A. Zaugg; W. P. Pallmann; M. Mangold; V. J. Wittwer; H. Moench; S. Gronenborn; M. Miller; B. W. Tilma; T. Südmeyer; U. Keller
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Paper Abstract

In modelocked electrically pumped VECSELs (EP-VECSELs) the gain saturation strongly influences the pulse formation. Here we present a detailed gain characterization of EP-VECSELs as published the first time in [1]. The spectral gain-distribution and the gain saturation behavior of two devices with different field-enhancement in the quantum-well gain layers are investigated. Comparing spectral bandwidth, small-signal gain and saturation fluence of the three devices, we chose the most suitable for modelocking experiments. Using a low-saturation fluence SESAM we have generated 9.5-ps-pulses with an average output-power of 7.6 mW at 1.4 GHz repetition-rate, which have been the shortest pulses from an EP-VECSEL to date [1].

Paper Details

Date Published: 18 February 2013
PDF: 7 pages
Proc. SPIE 8606, Vertical External Cavity Surface Emitting Lasers (VECSELs) III, 86060G (18 February 2013); doi: 10.1117/12.2002391
Show Author Affiliations
C. A. Zaugg, ETH Zurich (Switzerland)
W. P. Pallmann, ETH Zurich (Switzerland)
M. Mangold, ETH Zurich (Switzerland)
V. J. Wittwer, ETH Zurich (Switzerland)
H. Moench, Philips Technologie GmbH Photonics (Germany)
S. Gronenborn, Philips Technologie GmbH Photonics (Germany)
M. Miller, Philips Technologie GmbH U-L-M Photonics (Germany)
B. W. Tilma, ETH Zurich (Switzerland)
T. Südmeyer, ETH Zurich (Switzerland)
U. Keller, ETH Zurich (Switzerland)

Published in SPIE Proceedings Vol. 8606:
Vertical External Cavity Surface Emitting Lasers (VECSELs) III
Jennifer E. Hastie, Editor(s)

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