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Optics Letters

Optics Letters


  • Vol. 28, Iss. 3 — Feb. 1, 2003
  • pp: 203–205

Noiseless amplification and signal-to-noise ratio in single-sideband transmission

Antonio Mecozzi and Mark Shtaif  »View Author Affiliations

Optics Letters, Vol. 28, Issue 3, pp. 203-205 (2003)

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We study the properties of optical single-sideband (SSB) modulation with respect to signal-to-noise ratio and limits to spectral efficiency. We show that SSB signals undergo truly noiseless amplification, which can be understood in view of Heisenberg’s uncertainty principle. Yet, contrary to previously published results, this phenomenon offers no advantages in terms of the signal-to-noise ratio of the amplified signal. We show that, when an intensity receiver is used, single-sideband modulation can improve spectral efficiency in the limit of a high optical signal-to-noise ratio and in the presence of a strong carrier signal.

© 2003 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.4510) Fiber optics and optical communications : Optical communications
(270.5290) Quantum optics : Photon statistics

Antonio Mecozzi and Mark Shtaif, "Noiseless amplification and signal-to-noise ratio in single-sideband transmission," Opt. Lett. 28, 203-205 (2003)

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