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Passive stabilization of a passively mode-locked laser by nonlinear absorption in indium phosphide

Cerny, P. and Valentine, G.J. and Burns, D. (2004) Passive stabilization of a passively mode-locked laser by nonlinear absorption in indium phosphide. Optics Letters, 29 (12). pp. 1387-1389. ISSN 0146-9592

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Abstract

A diode-pumped Nd:KGd(WO4)2 laser mode locked by a saturable Bragg reflector (SBR) is passively stabilized to suppress Q -switched mode locking and to extend the parameter range of continuous-wave mode locking. An indium phosphide plate exhibiting two-photon absorption and free-carrier absorption is used for passive stabilization. The intracavity pulse energy for the onset of stable continuous-wave mode locking is reduced by a factor of 4 compared with the laser without stabilization. By increasing the modulation depth of the SBR, pulse shortening by 30% is achieved and bandwidth-limited 6.2-ps pulses are measured.

Item type: Article
ID code: 4224
Keywords: lasers, laser optics, solid-state, mode-locked lasers, quantum electronics, Optics. Light
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Institute of Photonics
Unknown Department
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 05 Sep 2007
    Last modified: 16 Jul 2013 19:52
    URI: http://strathprints.strath.ac.uk/id/eprint/4224

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