Performance analysis of coherent optical 8-star QAM systems using decision-aided maximum likelihood phase estimation

Hongyu Zhang; Pooi Yuen Kam; Changyuan Yu

doi:10.1364/OE.20.009302

Performance analysis of coherent optical 8-star QAM systems using decision-aided maximum likelihood phase estimation

Hongyu Zhang, Pooi Yuen Kam, Changyuan Yu

Research output: Journal article publication › Journal article › Academic research › peer-review

6 Citations (Scopus)

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.

Original language	English
Pages (from-to)	9302-9311
Number of pages	10
Journal	Optics Express
Volume	20
Issue number	8
DOIs	https://doi.org/10.1364/OE.20.009302
Publication status	Published - 9 Apr 2012
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.20.009302

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title = "Performance analysis of coherent optical 8-star QAM systems using decision-aided maximum likelihood phase estimation",

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.",

author = "Hongyu Zhang and Kam, {Pooi Yuen} and Changyuan Yu",

year = "2012",

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doi = "10.1364/OE.20.009302",

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AU - Zhang, Hongyu

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AU - Yu, Changyuan

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AB - 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.

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DO - 10.1364/OE.20.009302

M3 - Journal article

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Performance analysis of coherent optical 8-star QAM systems using decision-aided maximum likelihood phase estimation

Abstract

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