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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 14 — Jul. 2, 2012
  • pp: 15301–15308

Experimental verification of fiber-coupling efficiency for satellite-to-ground atmospheric laser downlinks

Hideki Takenaka, Morio Toyoshima, and Yoshihisa Takayama  »View Author Affiliations

Optics Express, Vol. 20, Issue 14, pp. 15301-15308 (2012)

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Optical communication is a high-capacity method that can handle considerable satellite data. When common-fiber optical devices such as optical fiber amplifiers based on single mode fibers are used in free-space laser communication systems, the laser beam has to be coupled to a single-mode fiber. Under atmospheric turbulence it would be difficult to make the required fiber coupling efficiency in satellite-to-ground laser propagation paths. A fast-steering mirror that can operate at high frequencies under atmospheric turbulence is fabricated, and its tracking performance is verified in real satellite-to-ground laser communication experiments. The measured fiber coupling loss of 10–19 dB in satellite-to-ground laser communication links under atmospheric turbulence shows good agreement with the predicted fiber coupling efficiency of 17 dB.

© 2012 OSA

OCIS Codes
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(060.2605) Fiber optics and optical communications : Free-space optical communication
(140.3325) Lasers and laser optics : Laser coupling

ToC Category:
Atmospheric and Oceanic Optics

Original Manuscript: April 30, 2012
Revised Manuscript: June 15, 2012
Manuscript Accepted: June 15, 2012
Published: June 22, 2012

Hideki Takenaka, Morio Toyoshima, and Yoshihisa Takayama, "Experimental verification of fiber-coupling efficiency for satellite-to-ground atmospheric laser downlinks," Opt. Express 20, 15301-15308 (2012)

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