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Polarization-Insensitive Clock Recovery Operation in a Monolithic Passively Mode-Locked Distributed-Bragg-Reflector Laser Integrated With a Tensile-Strained Multiple-Quantum-Well Saturable Absorber

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6 Author(s)
Arahira, S. ; Oki Electr. Ind. Co. Ltd., Tokyo ; Takahashi, H. ; Nakamura, K. ; Miyamura, S.
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A 40-GHz monolithic mode-locked laser diode integrated with a tensile-strained multiple-quantum-well saturable absorber was developed for the purpose of polarization-insensitive all-optical clock recovery in a single chip of a semiconductor device. Clock recovery with small polarization sensitivity less than 0.2 dB was successfully achieved. We also demonstrated a stable clock recovery from polarization-scrambled data signals.

Published in:

Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 16 )