435 kW peak power femtosecond pulse mode-locked VECSEL for supercontinuum generation | Zendy

Keith G. Wilcox | Zendy; Anne C. Tropper | Zendy; Harvey E. Beere | Zendy; D. A. Ritchie | Zendy; Bernardette Kunert | Zendy; Bernd Heinen | Zendy; W. Stolz | Zendy

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435 kW peak power femtosecond pulse mode-locked VECSEL for supercontinuum generation

Author(s) -

Keith G. Wilcox,

Anne C. Tropper,

Harvey E. Beere,

D. A. Ritchie,

Bernardette Kunert,

Bernd Heinen,

W. Stolz

Publication year - 2013

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.001599

Subject(s) - supercontinuum , optics , femtosecond , materials science , femtosecond pulse shaping , femtosecond pulse , pulse (music) , self phase modulation , mode locking , optoelectronics , laser , nonlinear optics , physics , photonic crystal fiber , optical fiber , detector

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.

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