Dependence of Error Rate on Signal-To-Noise Ratio in Fiber-Optic Communication Systems withPhase-Induced Intensity Noise

Moshe Tur, Evan L. Goldstein

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

Significant deviations from Gaussian statistics have been observed in single-mode-fiber systems whose performance is limited by laser phase-induced intensity noise. When both thermal (Gaussian) noise and phase-induced intensity noise are present at the input of the receiver’s decision circuit, the electrical signal-to-noise ratio required to achieve an error rate of 10-9 will vary from 22 dB (pure thermal noise) to only 9.1 dB (pure phase-induced noise). This anomalous behavior is due to the inherent nonlinearity of the interferometric phase-to-intensity conversion process. Gaussian statistics are quickly approached as the thermal noise becomes dominant, or when, due to electrical bandwidth limitations, the detection system filters out significant high-frequency components of the phase-induced intensity noise.

Original languageEnglish
Pages (from-to)2055-2058
Number of pages4
JournalJournal of Lightwave Technology
Volume7
Issue number12
DOIs
StatePublished - Dec 1989

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