Demonstration of PMD compensation by ldpc-coded turbo equalization and channel capacity loss characterization due to PMD and quantization

L. L. Minkov, I. B. Djordjevic, H. G. Batshon, L. Xu, T. Wang, M. Cvijetic, F. Kueppers

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Polarization-mode dispersion (PMD) compensation by low-density parity-check (LDPC) coded turbo equalization is experimentally demonstrated for a nonreturn-to-zero (NRZ) system operating at 10 Gb/s. This technique provides significant improvement of bit-error rate compared to the optimum threshold receiver. The channel capacity loss due to PMD and quantization is studied as well. It was found that the proposed PMD turbo equalizer is about 1.5 dB away from the theoretical limit.

Original languageEnglish
Pages (from-to)1852-1854
Number of pages3
JournalIEEE Photonics Technology Letters
Volume19
Issue number22
DOIs
Publication statusPublished - 15 Nov 2007
Externally publishedYes

Keywords

  • Channel capacity
  • Equalization
  • Low-density parity-check (LDPC) codes
  • Polarization-mode dispersion (PMD) compensation

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