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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

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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 ISBN 0-7803-7734-6 (Unpublished)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).