3-bit/symbol optical data format based on simultaneous DRZ, DPSK and PolSK orthogonal modulations

Chi-Wai Chow*, C. H. Kwok, H. K. Tsang, Chinlon Lin

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

We propose a novel 3-bit/symbol optical data format based on simultaneously modulating dark-return-to-zero (DRZ), differential-phase-shift-keying (DPSK) and polarization-shift-keying (PolSK) on the same optical carrier. Transmission performance is investigated. The proposed data format has a more compact spectrum when compared with other modulation schemes (at the same data rate), such as return-to-zero (RZ), DPSK and PolSK. It is also more tolerant to phase noise when compared with optical-differential-quadrature-phase-shift-keying (ODQPSK).

Original languageEnglish
Pages (from-to)1720-1725
Number of pages6
JournalOptics Express
Volume14
Issue number5
DOIs
StatePublished - 1 Jan 2006

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