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Optics Letters

Optics Letters


  • Vol. 36, Iss. 17 — Sep. 1, 2011
  • pp: 3356–3358

Quasi-monochromatic bound on ultrashort light-pulse transmission through fog

Jeffrey H. Shapiro  »View Author Affiliations

Optics Letters, Vol. 36, Issue 17, pp. 3356-3358 (2011)

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The use of ultrashort (femtosecond duration) light pulses for line-of-sight free-space optical (FSO) communication through fog is receiving increasing attention. Assuming that the transmitter power is low enough to preclude nonlinear interactions, and that scattering-induced multipath spread is less than the reciprocal of the scattering-induced Doppler spread, it is shown that the average transmitter-to-receiver fractional energy transfer of an ultrafast FSO system cannot exceed that of a quasimonochromatic (nanosecond pulse duration) system operating at the optimum wavelength within the ultrafast system’s spectrum. Thus, an ultrashort-pulse system is not a solution for high-data-rate FSO communication through fog, because, at best, it will reproduce on average the energy-transfer performance of a wavelength-optimized quasimonochromatic system.

© 2011 Optical Society of America

OCIS Codes
(290.1310) Scattering : Atmospheric scattering
(320.2250) Ultrafast optics : Femtosecond phenomena
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 9, 2011
Revised Manuscript: July 22, 2011
Manuscript Accepted: July 29, 2011
Published: August 23, 2011

Jeffrey H. Shapiro, "Quasi-monochromatic bound on ultrashort light-pulse transmission through fog," Opt. Lett. 36, 3356-3358 (2011)

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