Real-time and ultrafast optical pulse quantization based on slicing the supercontinuum

Ya Guo, Qiang Cai, Zhiwei Jia, Bingjie Xu, Zhensen Gao, Qianwu Zhang, Ruonan Zhang, Adonis Bogris, K. Alan Shore, Yuncai Wang, Pu Li

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1 引用 (Scopus)

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 realtime demonstration of an 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, to the best of our knowledge, 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 it can be expected to be greatly enhanced through improving both the spectral width of the generated supercontinuum and the number of filtering channels used.

源语言英语
文章编号081901
期刊Chinese Optics Letters
19
8
DOI
出版状态已出版 - 10 8月 2021

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