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Proceedings Paper

Recent advances in the field of vertical-external-cavity surface-emitting lasers
Author(s): Arash Rahimi-Iman; Mahmoud Gaafar; Dalia Al Nakdali; Christoph Möller; Fan Zhang; Matthias Wichmann; Mohammad K. Shakfa; Ksenia A. Fedorova; Wolfgang Stolz; Edik U. Rafailov; Martin Koch
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Paper Abstract

Vertical-external-cavity surface-emitting lasers (VECSELs) have proved to be versatile lasers which allow for various emission schemes which on the one hand include remarkably high-power multi-mode or single-frequency continuouswave operation, and on the other hand two-color as well as mode-locked emission. Particularly, the combination of semiconductor gain medium and external cavity provides a unique access to high-brightness output, a high beam quality and wavelength flexibility. Moreover, the exploitation of intra-cavity frequency conversion further extends the achievable radiation wavelength, spanning a spectral range from the UV to the THz. In this work, recent advances in the field of VECSELs are summarized and the demonstration of self-mode-locking (SML) VECSELs with sub-ps pulses is highlighted. Thereby, we present studies which were not only performed for a quantum-well-based VECSEL, but also for a quantum-dot VECSEL.

Paper Details

Date Published: 4 March 2015
PDF: 10 pages
Proc. SPIE 9349, Vertical External Cavity Surface Emitting Lasers (VECSELs) V, 934906 (4 March 2015); doi: 10.1117/12.2079182
Show Author Affiliations
Arash Rahimi-Iman, Philipps-Univ. Marburg (Germany)
Mahmoud Gaafar, Philipps-Univ. Marburg (Germany)
Dalia Al Nakdali, Philipps-Univ. Marburg (Germany)
Christoph Möller, Philipps-Univ. Marburg (Germany)
Fan Zhang, Philipps-Univ. Marburg (Germany)
Matthias Wichmann, Philipps-Univ. Marburg (Germany)
Mohammad K. Shakfa, Philipps-Univ. Marburg (Germany)
Ksenia A. Fedorova, Aston Univ. (United Kingdom)
Wolfgang Stolz, Philipps-Univ. Marburg (Germany)
NAsP III/V GmbH (Germany)
Edik U. Rafailov, Aston Univ. (United Kingdom)
Martin Koch, Philipps-Univ. Marburg (Germany)


Published in SPIE Proceedings Vol. 9349:
Vertical External Cavity Surface Emitting Lasers (VECSELs) V
Mircea Guina, Editor(s)

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