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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 13 — Jun. 20, 2011
  • pp: 11977–11991

Higher-capacity communication links based on two-mode phase-sensitive amplifiers

C. J. McKinstrie, N. Alic, Z. Tong, and M. Karlsson  »View Author Affiliations

Optics Express, Vol. 19, Issue 13, pp. 11977-11991 (2011)

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Optical communication links are usually made with erbium-doped fiber amplifiers, which amplify the signal waves in a phase-insensitive (PI) manner. They can also be made with parametric fiber amplifiers, in which the signal waves interact with idler waves. If information is transmitted using only the signals, parametric amplifiers are PI and their noise figures are comparable to those of erbium amplifiers. However, transmitting correlated information in the signals and idlers, or copying the signals prior to transmission, allows parametric amplifiers to be phase-sensitive (PS), which lowers their noise figures. The information capacities of two-mode PS links exceed those of the corresponding PI links by 2 b/s-Hz.

© 2011 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: March 28, 2011
Manuscript Accepted: April 19, 2011
Published: June 6, 2011

C. J. McKinstrie, N. Alic, Z. Tong, and M. Karlsson, "Higher-capacity communication links based on two-mode phase-sensitive amplifiers," Opt. Express 19, 11977-11991 (2011)

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