Please use this identifier to cite or link to this item: https://doi.org/10.1109/ICCS.2012.6406105
Title: Low cost and CD insensitive optical signal to noise ratio monitoring method using beat noise
Authors: Yu, Y.
Yang, J.
Yu, C. 
Keywords: beat noise
chromatic dispersion
fiber optics communications
optical performance monitoring
optical signal to noise ratio
polarization mode dispersion
Issue Date: 2012
Source: Yu, Y.,Yang, J.,Yu, C. (2012). Low cost and CD insensitive optical signal to noise ratio monitoring method using beat noise. 2012 IEEE International Conference on Communication Systems, ICCS 2012 : 41-44. ScholarBank@NUS Repository. https://doi.org/10.1109/ICCS.2012.6406105
Abstract: In this paper, we propose a simple in-band optical signal to noise ratio (OSNR) monitoring method based on the beat noise RF power measurement. This method splits the incoming optical signal into two branches, and one of the branches is processed by an optical band pass filter. Then, the signals in the two branches are detected by balanced receiver and the beat noise can be calculated. The simulation results in VPItransmission 7.6 show that the power ratio between the beat noise and signal RF power could be used for OSNR estimation, which is insensitive to polarization mode dispersion impairment. Moreover, low speed photo detectors are used in this monitoring scheme providing immunity to chromatic dispersion, which also reduces the cost of the monitoring scheme. © 2012 IEEE.
Source Title: 2012 IEEE International Conference on Communication Systems, ICCS 2012
URI: http://scholarbank.nus.edu.sg/handle/10635/70834
ISBN: 9781467320542
DOI: 10.1109/ICCS.2012.6406105
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