80吉比特/秒偏振复用归零差分相移键控信道的光信噪比监测
Optical signal-to-noise ratio monitoring of an 80 Gbits/s polarization-multiplexed return-to-zero differential phase-shift keying channel.
作者信息
Yang J-Y, Zhang L, Yue Y, Arbab V R, Agarwal A, Paraschis L, Willner A E
机构信息
Department of Electrical Engineering, University of Southern California, Los Angeles, CA 90089, USA.
出版信息
Opt Lett. 2009 Apr 1;34(7):1006-8. doi: 10.1364/ol.34.001006.
We propose and experimentally demonstrate an optical signal-to-noise ratio (OSNR) monitoring technique for an 80 Gbits/s polarization-multiplexed return-to-zero differential phase-shift keying channel utilizing a narrowband optical filter and a low-speed detector. A maximum power increment of 19.7 dB is measured at a radio frequency (rf) of 250 MHz for monitoring of OSNR up to 27 dB, insensitive to chromatic dispersion of 0-300 ps/nm and polarization-mode dispersion (PMD) of 0-50 ps.
我们提出并通过实验证明了一种用于80 Gbit/s偏振复用归零差分相移键控信道的光信噪比（OSNR）监测技术，该技术利用窄带光学滤波器和低速探测器。在250 MHz的射频（rf）下测量到最大功率增量为19.7 dB，用于监测高达27 dB的OSNR，对0至300 ps/nm的色散和0至50 ps的偏振模色散（PMD）不敏感。
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