Dispersion insensitive optical signal to noise ratio monitoring of PDM signal by using uncorrelated signal power | Zendy

Yi Yu | Zendy; Changyuan Yu | Zendy

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Dispersion insensitive optical signal to noise ratio monitoring of PDM signal by using uncorrelated signal power

Author(s) -

Yi Yu,

Changyuan Yu

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.012823

Subject(s) - optics , polarization division multiplexing , polarization mode dispersion , signal (programming language) , physics , bandwidth (computing) , signal to noise ratio (imaging) , signal processing , multiplexing , time domain , phase shift keying , optical power , dispersion (optics) , wavelength division multiplexing , computer science , telecommunications , bit error rate , channel (broadcasting) , wavelength , laser , computer vision , programming language , radar

In this paper, we propose and demonstrate optical signal to noise ratio (OSNR) monitoring method for polarization-division-multiplexing (PDM) signal by using the uncorrelated signal power, which is generated by balanced subtraction in electrical domain. The proposed OSNR monitoring is insensitive to dispersion impairment by using low bandwidth receiver. The proposed OSNR monitoring method is tested from 5 dB to 27.5 dB in 100-Gb/s PDM-QPSK system experimentally.

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