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Transform-limited optical short-pulse generation at high repetition rate over 40 GHz from a monolithic passive mode-locked DBR laser diode

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5 Author(s)
Arahira, S. ; OKI Electric Ind. Co. Ltd., Tokyo, Japan ; Matsui, Y. ; Kunii, T. ; Oshiba, S.
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The fabrication of monolithic InP-based passively mode-locked distributed-Bragg-reflector (DBR) laser is reported. An optical short-pulse train with a duration of 3.5 ps was generated at a repetition rate of over 40 GHz. The time-bandwidth product was 0.43, and it was very close to the transform-limited value of a Gaussian waveform. Peak power of 60 mW has been achieved. This laser is promising as an optical source for a high-bit-rate soliton transmission system.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 12 )