All-Optical Signal Processing Techniques for Flexible Networks

Alan E. Willner, Ahmad Fallahpour*, Fatemeh Alishahi, Yinwen Cao, Amirhossein Mohajerin-Ariaei, Ahmed Almaiman, Peicheng Liao, Kaiheng Zou, Ari N. Willner, Moshe Tur

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This tutorial highlights challenges and opportunities in achieving efficient flexible optical networks. Optical signal processing may potentially increase network flexibility because of its functions' transparency, tunability, and reconfigurability. We review recent advances in high-speed optical signal processing techniques that might enable flexible networks. Various optical approaches that enable key functions are discussed, including format conversion, increases in spectral efficiency, and phase-sensitive operations. We also discuss the potential utilization of basic enabling technologies, such as optical frequency combs and optical nonlinear devices.

Original languageEnglish
Article number8480643
Pages (from-to)21-35
Number of pages15
JournalJournal of Lightwave Technology
Volume37
Issue number1
DOIs
StatePublished - 1 Jan 2019

Keywords

  • Flexible networks
  • modulation formats
  • nonlinear wave mixing
  • optical communications
  • optical signal processing

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