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Optical performance monitoring (OPM) can offer great assistances for intelligent system management of future smart optical networks. Since different optical impairments induce received electrical signal waveform distortion in different forms and degrees, analysis on electrical waveform distortion is an alternative way to monitor optical impairment by using electrical sampling technique, which takes...
In this paper, we propose and demonstrate inband OSNR monitoring in 100-Gb/s PDM RZ-DQPSK system by using cost-effective low bandwidth sampling technique. The OSNR monitoring is insensitive to PMD effect.
We experimentally demonstrate optical signal to noise ratio (OSNR) and chromatic dispersion (CD) monitoring simultaneously in NRZ-DPSK and DQPSK systems by using single 2-dimension (2-D) phase portrait, which is generated by single-channel sampling technique.
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