Low-cost coherent receiver for long-reach optical access network using single-ended detection.
Low-cost coherent receiver for long-reach optical access network using single-ended detection.
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DOI：
10.1364/ol.39.005248
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发表时间：
2014-09
期刊：
影响因子：
3.6
通讯作者：
Xuebing Zhang;Z. Li;Jianping Li;Changyuan Yu;A. Lau;Chao Lu
中科院分区：
文献类型：
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作者：
Xuebing Zhang;Z. Li;Jianping Li;Changyuan Yu;A. Lau;Chao Lu
提出了一种适用于长距离光接入网的低成本相干接收机，该接收机采用2×3光混合器和单端检测技术。该结构可以同时检测偏振复用信号的两个偏振分量。偏振解复用和信号到信号拍频干扰（SSBI）的消除，实现了只用三个光电二极管。40 Gb/s PDM-OFDM传输的仿真结果表明，该低成本相干接收机的光信噪比与理论值相差3.2 dB。
A low-cost coherent receiver using two 2×3 optical hybrids and single-ended detection is proposed for long-reach optical access network. This structure can detect the two polarization components of polarization division multiplexing (PDM) signals. Polarization de-multiplexing and signal-to-signal beat interference (SSBI) cancellation are realized by using only three photodiodes. Simulation results for 40 Gb/s PDM-OFDM transmissions indicate that the low-cost coherent receiver has 3.2 dB optical signal-to-noise ratio difference compared with the theoretical value.