Second-order PMD-induced crosstalk between polarization-multiplexed signals and its impact on ultrashort optical pulse transmission

Toshihiko Hirooka, Koudai Harako, Pengyu Guan, Masataka Nakazawa

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

We present an analytical description and experimental demonstration of inter-polarization crosstalk caused by second-order polarization-mode dispersion (PMD). Even if the first-order PMD is completely compensated for, second-order PMD leads to large transmission impairments in ultrashort optical pulse transmissions through signal depolarization, which is caused by the frequency dependence of the principal state of polarization. In particular, depolarization in a polarization-multiplexed transmission inevitably prevents the complete separation of the two channels at the polarization demultiplexing. The analytical results show that the crosstalk increases in proportion to the fourth power of the signal bandwidth and grows by the square of distance as also verified by the experiments.

Original languageEnglish
Article number6399503
Pages (from-to)809-814
Number of pages6
JournalJournal of Lightwave Technology
Volume31
Issue number5
DOIs
Publication statusPublished - 2013 Jan 31

Keywords

  • Depolarization
  • High-speed optical pulse transmission
  • Optical time division multiplexing
  • Polarization multiplexing
  • Polarization-mode dispersion
  • Ultrashort optical pulse

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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