Blind modulation format identification for digital coherent receivers

Syed Muhammad Bilal, Gabriella Bosco, Zhenhua Dong, Pak Tao Lau, Chao Lu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

46 Citations (Scopus)

Abstract

In this paper, a simple novel digital modulation format identification (MFI) scheme for coherent optical systems is proposed. The scheme is based on the evaluation of the peak-to-average-power ratio (PAPR) of the incoming data samples after analog-to-digital conversion (ADC), chromatic dispersion (CD) and polarization mode demultiplexing (PMD) compensation at the receiver (Rx). Since at a particular opticalsignal-to-noise ratio (OSNR) value different modulation formats have distinct PAPR values, it is possible to identify them. The proposed scheme and the results are analyzed both experimentally and through numerical simulations. The results demonstrate successful identification among four modulation formats (MF) commonly used in digital coherent systems.
Original languageEnglish
Pages (from-to)26769-26778
Number of pages10
JournalOptics Express
Volume23
Issue number20
DOIs
Publication statusPublished - 5 Oct 2015

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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