The effect of nonideal optical hybrids on the performance of { 2×2 } and { 3×3 } CPFSK phase diversity homodyne receivers

Ichiro Seto, Iwao Sasase, Shinsaku Mori

研究成果: Conference contribution

抄録

The key component of CPFSK phase diversity liomodyne receivers is an optical hybrid. It provides a means of recovering the modulated optical signal without phase locking. However, all multiport receivers are sensitive to an optical hybrid imbalance. In this paper, an analysis of the effects of nonideal optical hybrids on the performance of {2 × 2} and {3×3} continuous phase frequency-shift keying (CPFSK) phase diversity homodyne receivers is done for the shot noise limited case. Asymptotic methods are employed, to give estimates of the bit-error-rate (BER) dependence for each type of the receiver. The results show that, for zero laser linewidths, the effect of a nonideal optical hybrid on the {3 × 3} CPFSK phase diversity receiver sensitivity is much less than that on the the {2 × 2} one and that, for {2 × 2} phase diversity receivers, CPFSK modulation is a little more sensitive to a nonideal optical hybrid than differential phase-shift keying (DPSK).

本文言語English
ホスト出版物のタイトルProceedings - Singapore ICCS/ISITA 1992
ホスト出版物のサブタイトル''Communications on the Move''
出版社Institute of Electrical and Electronics Engineers Inc.
ページ1048-1052
ページ数5
ISBN(電子版)0780308034, 9780780308039
DOI
出版ステータスPublished - 1992
イベント1992 Singapore: Communications on the Move, ICCS/ISITA 1992 - Singapore, Singapore
継続期間: 1992 11 161992 11 20

出版物シリーズ

名前Proceedings - Singapore ICCS/ISITA 1992: ''Communications on the Move''

Conference

Conference1992 Singapore: Communications on the Move, ICCS/ISITA 1992
国/地域Singapore
CitySingapore
Period92/11/1692/11/20

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • 信号処理

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