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High-power picosecond quasi-CW 1.3µm ND-lasers passively modelocked using novel low-loss GaInNAs SBRs

Valentine, G.J. and Sun, H.D. and Macaluso, R. and Calvez, S. and Burns, D. and Dawson, M.D. and Jouhti, T. and Pessa, M. (2003) High-power picosecond quasi-CW 1.3µm ND-lasers passively modelocked using novel low-loss GaInNAs SBRs. In: Proceedings of the 2003 conference on lasers and electro-optics Europe (CLEO/Europe). IEEE, Piscataway, New Jersey, USA, p. 13. ISBN 0-7803-7734-6 (Unpublished)

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Abstract

A spin-off from our work on dilute-N GalnNAs VCSELs has been the development of saturable Bragg reflectors (SBR) based on a single 7 nm-thick Ga0.65ln0.35N0.019As0.981 quantum-well grown midway in the final quarter-wave layer of a 21 pair AlAs/GaAs Bragg mirror. The SBR was used as the modelocking element in the high power 1.3 μm Nd:YLF laser. The laser was operated quasiCW permitting very high power effective 'on-time' operation in a simple side-pumped laser configuration. The laser was pumped with 360 W peak power at 2% duty cycle (200μs at 100 Hz).