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4 March 2015 Recent advances in the field of vertical-external-cavity surface-emitting lasers
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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.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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, and Martin Koch "Recent advances in the field of vertical-external-cavity surface-emitting lasers", Proc. SPIE 9349, Vertical External Cavity Surface Emitting Lasers (VECSELs) V, 934906 (4 March 2015); https://doi.org/10.1117/12.2079182
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