High-speed optical feeder-link system using adaptive optics

Details High-speed optical feeder-link system using adaptive optics High-speed optical feeder-link system using adaptive optics

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spie.2990..142a&link_type=abstract

Proc. SPIE Vol. 2990, p. 142-151, Free-Space Laser Communication Technologies IX, G. Stephen Mecherle; Ed.

Physics

Optics

1

Scientific paper

We propose a satellite laser communication system between a ground station and a geostationary satellite, named high- speed optical feeder link system. It is based on the application of (a) high-speed optical devices, which have been developed for ground-based high-speed fiber-optic communications, and (b) the adaptive optics which compensates wavefront distortions due to atmospheric turbulences using a real time feedback control. A link budget study shows that a system with 10-Gbps bit-rate are available assuming the state-of-the-art device performance of the Er-doped fiber amplifier. We further discuss preliminary measurement results of the atmospheric turbulence at the telescope site in Tokyo, and present current study on the design of the key components for the feeder-link laser transceiver.

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