Multi-octave analog photonic link with improved second- and third-order SFDRs

Qinggui Tan, Yongsheng Gao, Yangyu Fan, You He

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27 引用 (Scopus)

摘要

The second- and third-order spurious free dynamic ranges (SFDRs) are two key performance indicators for a multi-octave analogy photonic link (APL). The linearization methods for either second- or third-order intermodulation distortion (IMD2 or IMD3) have been intensively studied, but the simultaneous suppression for the both were merely reported. In this paper, we propose an APL with improved second- and third-order SFDRs for multi-octave applications based on two parallel DPMZM-based sub-APLs. The IMD3 in each sub-APL is suppressed by properly biasing the DPMZM, and the IMD2 is suppressed by balanced detecting the two sub-APLs. The experiment demonstrates significant suppression ratios for both the IMD2 and IMD3 after linearization in the proposed link, and the measured second- and third-order SFDRs with the operating frequency from 6 to 40 GHz are above 91dB⋅Hz1∕2 and 116dB⋅Hz2∕3, respectively.

源语言英语
页(从-至)685-689
页数5
期刊Optics Communications
410
DOI
出版状态已出版 - 1 3月 2018

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