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Research on Wavelength Synchronization Technology for UDWDM-PON Transmitter Based on Injection Locking [Early Posting]

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摘要

We propose a concept of wavelength synchronization to ensure the stability of ultra-dense channels in ultra dense wavelength division multiplexing passive optical network (UDWDM-PON) transmitter. A mode-locked laser (MLL) is used to provide wavelength references for users. By injection locking semiconductor laser, the separation of wavelength reference is realized in optical line terminal (OLT). The downlink and uplink wavelength references are interlaced distributed to facilitate the synchronization of uplink carriers. In optical network unit (ONU), the uplink optical carriers are filtered by injection locking semiconductor lasers, which achieve wavelength synchronization for the uplink users. In this paper, an adaptive wavelength synchronization transmitter for UDWDM-PON is realized with a channel spacing of 5 GHz.

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作者单位:

    天津大学电子信息工程学院

引用该论文

Wang Ju,JIA Ting,Wang Shuaishuai,Li Tianyu,Ma Chuang,Xie Tianyuan,Yu Yang,Yu Jinlong. Research on Wavelength Synchronization Technology for UDWDM-PON Transmitter Based on Injection Locking[J].Chinese Optics Letters,2021,19(1):01.