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Femtosecond synchronously mode-locked vertical-external cavity surface-emitting laser

Zhang, Wei and Ackemann, T. and Schmid, Marc and Langford, Nigel and Ferguson, Allister (2006) Femtosecond synchronously mode-locked vertical-external cavity surface-emitting laser. Optics Express, 14 (5). pp. 1810-1821. ISSN 1094-4087

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Abstract

The behavior of a room temperature synchronously mode-locked vertical-external cavity surface-emitting laser (VECSEL) operating at 980 nm is reported. The laser performance was found to be qualitatively the same for different pump pulse duration (3.6 ps and 70 fs). The pulse duration of the laser is limited by strong self-phase modulation to around 10-40 ps. By compressing the strongly chirped pulses generated directly from the laser, ultrashort pulses with duration of around 200 fs with maximum peak powers of 1.3 kW at 80 MHz were obtained. Multiple pulsing of the laser was observed and the effects of cavity length detuning on pulse width and spectral bandwidth have been investigated.

Item type: Article
ID code: 2882
Keywords: mode-locked lasers, vertical cavity surface emitting lasers, chirping, pulse compression, ultrafast lasers, optics, photonics, Optics. Light, Atomic and Molecular Physics, and Optics
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Strathclyde Institute of Pharmacy and Biomedical Sciences
Faculty of Science > Physics
Depositing user: Mr Derek Boyle
Date Deposited: 06 Feb 2007
Last modified: 26 Mar 2015 16:59
URI: http://strathprints.strath.ac.uk/id/eprint/2882

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