Abstract
A compact semiconductor mode-locked laser (MLL) is presented that demonstrates strong passive -switched mode-locking over a wide range of drive conditions. The -switched frequency is tunable between 1 and 4 GHz for mode-locked pulses widths around 3.5 ps. The maximum ratio of peak to average power of the pulse-train is , greatly exceeding that of similarly sized passively MLLs.
© 2012 Optical Society of America
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