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  • Received: Aug. 16, 2015

    Accepted: Jan. 8, 2016

    Posted: Jan. 24, 2019

    Published Online: Aug. 6, 2018

    The Author Email: Lingjuan Zhao (

    DOI: 10.3788/COL201614.030604

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    Biwei Pan, Liqiang Yu, Lu Guo, Limeng Zhang, Dan Lu, Xin Chen, Yue Wu, Caiyun Lou, Lingjuan Zhao. 100  Gb/s all-optical clock recovery based on a monolithic dual-mode DBR laser[J]. Chinese Optics Letters, 2016, 14(3): 030604

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Chinese Optics Letters, Vol. 14, Issue 3, 030604 (2016)

100  Gb/s all-optical clock recovery based on a monolithic dual-mode DBR laser

Biwei Pan1, Liqiang Yu1, Lu Guo1, Limeng Zhang1, Dan Lu1, Xin Chen2, Yue Wu2, Caiyun Lou2, and Lingjuan Zhao1,*

Author Affiliations

  • 1Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Science, Beijing 100083, China
  • 2Tsinghua National Laboratory for Information Science and Technology, State Key Laboratory of Integrated Optoelectronics, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China


We experimentally demonstrate all-optical clock recovery for 100 Gb/s return-to-zero on–off keying signals based on a monolithic dual-mode distributed Bragg reflector (DBR) laser, which can realize both mode spacing and wavelength tuning. By using a coherent injection locking scheme, a 100 GHz optical clock can be recovered with a timing jitter of 530 fs, which is derived by an optical sampling oscilloscope from both the phase noise and the power fluctuation. Furthermore, for degraded injection signals with an optical signal-to-noise ratio as low as 4.1 dB and a 25 km long distance transmission, good-quality optical clocks are all successfully recovered.

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