A 40-GHz Colliding Pulse Mode-Locked Semiconductor Laser
Song-Tao Liu**, Rui-Kang Zhang, Dan Lu, Qiang Kan, Wei Wang, Chen Ji
Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, and Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices, Chinese Academy of Sciences, Beijing 100083
Abstract：A monolithically active–passive integrated colliding pulse mode-locked semiconductor laser is demonstrated in the InGaAsP/InP material system. The device is mode locked at the second harmonic passive mode-locking regime with a wide mode-locking range. Pulse trains with the repetition rate of 40 GHz, 3-dB rf line width of 25 kHz, the pulse width of 2.5 ps, and a nearly transform-limited time–bandwidth product of 0.53 are obtained.
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2016, Vol. 33 
