• Near-noiseless amplification of light by a phase-sensitive fibre amplifier

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    • Keywords


      Fiber optics; parametric amplifier; Sagnac interferometer

    • Abstract


      We report near-noiseless (noise figure of 0.4 dB, which is an improvement over the theoretical limit of 1.2 dB for a conventional laser amplifier with the same gain of 1.7 dB) optical amplification of laser light in a phase-sensitive fibre amplifier.

    • Author Affiliations


      Dmitry Levandovsky1 Michael Vasilyev1 2 Prem Kumar1 2

      1. Tellabs Operations Inc., 4951 Indiana Avenue, Lisle, IL - 60532, USA
      2. Department of Electrical and Computer Engineering, Northwestern University, Evanston, Illinois - 60208-3118, USA
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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