Please use this identifier to cite or link to this item: https://doi.org/10.1364/OE.20.009302
Title: Performance analysis of coherent optical 8-star QAM systems using decision-aided maximum likelihood phase estimation
Authors: Zhang, H. 
Kam, P.-Y. 
Yu, C. 
Issue Date: 9-Apr-2012
Source: Zhang, H., Kam, P.-Y., Yu, C. (2012-04-09). Performance analysis of coherent optical 8-star QAM systems using decision-aided maximum likelihood phase estimation. Optics Express 20 (8) : 9302-9311. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.20.009302
Abstract: An approximate bit-error rate (BER) expression of 8-star quadrature amplitude modulation (QAM) in the presence of a phase estimation error is derived. The accuracy of the approximate BER is verified via numerical integration of the conditional BER and the Monte-Carlo (MC) simulations. This approximation allows quick estimation of the BER performance and prediction of laser linewidth tolerance, and also facilitates optimization of the ring ratio. © 2012 Optical Society of America.
Source Title: Optics Express
URI: http://scholarbank.nus.edu.sg/handle/10635/57013
ISSN: 10944087
DOI: 10.1364/OE.20.009302
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