Optical equalizers for bandwidth-limited transmitters and PAM-based fiber optic links

Xuhan Guo, David G. Cunningham, Richard V. Penty, Ian H. White

Research output: Contribution to journalArticlepeer-review

15 Citations (SciVal)

Abstract

Optical feed-forward equalization (FFE) of a single-mode fiber link has been studied theoretically. It is demonstrated that a simple short optical FFE having three to five taps can provide significant performance improvement of bandwidth-limited transmitters for both short and long reach links compared with the nonequalized scenario. Since optical FFEs can simultaneously operate on multiple wavelength division multiplexing channels, they can provide a simple, low power, and cost-effective solution for high-speed optical communication links.

Original languageEnglish
Pages (from-to)2484-2491
Number of pages8
JournalJournal of Lightwave Technology
Volume36
Issue number12
Early online date27 Dec 2017
DOIs
Publication statusPublished - 15 Jun 2018

Funding

Manuscript received July 25, 2017; revised November 19, 2017; accepted November 25, 2017. Date of publication December 27, 2017; date of current version April 18, 2018. This work was supported by the U.K. Engineering and Physical Sciences Research Council. (Corresponding author: Xuhan Guo.) X. Guo is with the Shanghai Jiao Tong University, Shanghai 200240, China, and also with the Centre for Photonic Systems, Electrical Engineering Division, Department of Engineering, University of Cambridge, Cambridge CB3 0FA, U.K. (e-mail: [email protected]).

Keywords

  • Feed-forward equalization
  • Optical equalizer

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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