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  • Received: Jan. 9, 2020

    Accepted: Mar. 25, 2020

    Posted: May. 22, 2020

    Published Online: May. 25, 2020

    The Author Email: Kan Wu (kanwu@sjtu.edu.cn)

    DOI: 10.3788/COL202018.070001

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    Bingjian Zhang, Kan Wu, Tianzhu Zhang, Siqi Liu, Jianping Chen. Highly flexible Nyquist pulse generation based on multi-wavelength control[J]. Chinese Optics Letters, 2020, 18(7): 070001

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Chinese Optics Letters, Vol. 18, Issue 7, 070001 (2020)

Highly flexible Nyquist pulse generation based on multi-wavelength control

Bingjian Zhang, Kan Wu*, Tianzhu Zhang, Siqi Liu, and Jianping Chen

Author Affiliations

  • Shanghai Institute for Advanced Communication and Data Science, State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Abstract

By controlling the wavelength and power of multiple light sources, we have realized a highly flexible Nyquist pulse generation scheme, in which the pulse repetition frequency, pulse multiplication factor, waveform envelope shape, and duty cycle are all tunable. By modulating the 3.2 GHz RF signal, we experimentally generated Nyquist pulses with repetition rates of 6.4 GHz and 9.6 GHz, a rectangular wave with a duty cycle of 0.26, and a sawtooth wave with a duty cycle of 0.52.

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