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4.35 kW peak power femtosecond pulse mode-locked VECSEL for supercontinuum generation |
Optics Express, Vol. 21, Issue 2, pp. 1599-1605 (2013)
http://dx.doi.org/10.1364/OE.21.001599
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Abstract
We report a passively mode-locked vertical external cavity surface emitting laser (VECSEL) producing 400 fs pulses with 4.35 kW peak power. The average output power was 3.3 W and the VECSEL had a repetition rate of 1.67 GHz at a center wavelength of 1013 nm. A near-antiresonant, substrate-removed, 10 quantum well (QW) gain structure designed to enable femtosecond pulse operation is used. A SESAM which uses fast carrier recombination at the semiconductor surface and the optical Stark effect enables passive mode-locking. When 1 W of the VECSEL output is launched into a 2 m long photonic crystal fiber (PCF) with a 2.2 µm core, a supercontinuum spanning 175 nm, with average power 0.5 W is produced.
© 2013 OSA
OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5960) Lasers and laser optics : Semiconductor lasers
(140.7090) Lasers and laser optics : Ultrafast lasers
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: October 23, 2012
Revised Manuscript: December 11, 2012
Manuscript Accepted: January 6, 2013
Published: January 15, 2013
Citation
Keith G. Wilcox, Anne C. Tropper, Harvey E. Beere, David A. Ritchie, Bernardette Kunert, Bernd Heinen, and Wolfgang Stolz, "4.35 kW peak power femtosecond pulse mode-locked VECSEL for supercontinuum generation," Opt. Express 21, 1599-1605 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-2-1599
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