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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 10 — May. 15, 2000
  • pp: 701–703

Fundamental information-density limits in optically amplified transmission: an entropy analysis

E. Desurvire  »View Author Affiliations


Optics Letters, Vol. 25, Issue 10, pp. 701-703 (2000)
http://dx.doi.org/10.1364/OL.25.000701


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Abstract

Fundamental information-density limits are evaluated for amplified systems, based on entropy analysis. It is shown that in-line amplification introduces information loss, which is more important in distributed than in lumped amplification. In the absence of any other degradation (such as that which comes from dispersion and nonlinearity), spectral efficiencies of 6¿14 (bits/s)/Hz represent theoretical limits for medium- and long-haul amplified systems.

© 2000 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(200.3050) Optics in computing : Information processing
(250.4480) Optoelectronics : Optical amplifiers

Citation
E. Desurvire, "Fundamental information-density limits in optically amplified transmission: an entropy analysis," Opt. Lett. 25, 701-703 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-10-701

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