Recent Progress on Optical Regeneration of Wavelength-Division-Multiplexed Data

Pallavi G. Patki (Invited author), Pengyu Guan (Invited author), Lu Li (Invited author), Taras I. Lakoba (Invited author), Leif Katsuo Oxenløwe (Invited author), Michael Vasilyev (Invited author), Michael Galili (Invited author)

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Practical applications of all-optical regeneration require from it a graceful scalability with the number of wavelength-division-multiplexed (WDM) channels. We describe several main approaches to WDM-compatible regeneration and review in greater detail two recent demonstrations of 16-channel regeneration: one using time-lensing and the other using group-delay-management. We discuss scalability, practical issues, and outlook for these WDM regeneration methods.
Original languageEnglish
Article number7700812
JournalIEEE Journal of Selected Topics in Quantum Electronics
Issue number2
Number of pages12
Publication statusPublished - 2021


  • Nonlinear-optical signal processing
  • Optical regeneration
  • Nonlinear fiber optics
  • Time lensing
  • Dispersion management


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