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Real-time and ultrafast optical pulse quantization with slicing the supercontinuum [Early Posting]

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摘要

All-optical analog-to-digital conversion is a paramount issue in modern science. How to implement real-time and ultrafast quantization to optical pulses with different intensities in an all optical domain is a central problem. Here, we report a real-time demonstration of all-optical quantization scheme based on slicing the supercontinuum in a nonlinear fiber. In comparison with previous schemes through off-line analysis of the power of different optical spectral components in the supercontinuum, this, as far as we are aware, is the first demonstration of such functionality online in the time domain. Moreover, the extinction ratio among the quantized outputs can exceed 10 dB, which further confirms the feasibility of the proposed quantization scheme. The current 3-bit resolution in the proof-of-principle experiment is limited by the current experimental condition, but can be expected to be greatly enhanced through improving both the spectral width of the generated supercontinuum and the number of filtering channels used.

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作者单位:

    Taiyuan University of Technology
    Taiyuan University of Technology
    Guangdong University of Technology
    Northwestern Polytechnical University
    University of West Attica
    Bangor University
    Guangdong University of Technology
    Shanghai University

引用该论文

Guo Ya,Cai Qiang,Jia Zhiwei,Xu Bingjie ,Gao Zhensen,zhang qianwu,Zhang Ruonan,Adonis Bogris,Alan Shore K,Wang Yuncai,Li Pu. Real-time and ultrafast optical pulse quantization with slicing the supercontinuum[J].Chinese Optics Letters,2021,19(8):08.