Journal
OPTICS LETTERS
Volume 35, Issue 24, Pages 4090-4092Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.35.004090
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- United States Office of Naval Research (ONR) Global [N62909-10-1-7030]
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We report on a passively mode-locked optically pumped GaSb-based semiconductor disk laser producing stable picosecond optical pulses at a 1.95 mu m wavelength. The gain mirror was comprised of a 15 quantum well InGaSb/GaSb structure. A fast semiconductor saturable absorber mirror with three InGaSb/GaSb quantum wells was used to attain self-starting mode-locked operation at a fundamental repetition rate of 881.2 MHz. The laser produced pulses with 30 pJ energy and a duration of 1.1 ps within a factor of 2 of the Fourier limit. (C) 2010 Optical Society of America
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