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Proceedings Paper

Trade-off between IM-DD and coherent system in high-data-rate optical interorbit links
Author(s): Shiro Yamakawa; Tomohiro Araki; Yasumasa Hisada
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Paper Abstract

Trade-off between Intensity Modulation Direct Detection (IM- DD) and coherent system oriented to the inter-orbit lightwave communication link is performed. Improvement in sensitivity of IM-DD system adopting high power optical fiber booster/pre- amplifiers is discussed preciously. In this paper, IM-DD system with booster/pre-amplifier and five kinds of coherent system (ASK-heterodyne, FSK-heterodyne, PSK-heterodyne, DPSK- heterodyne, and PSK-homodyne) are compared for high-data rate communication. Numerical analysis shows the superior characteristics of coherent communication system in low BER transmission under severe ASE noise.

Paper Details

Date Published: 26 April 1999
PDF: 10 pages
Proc. SPIE 3615, Free-Space Laser Communication Technologies XI, (26 April 1999);
Show Author Affiliations
Shiro Yamakawa, National Space Development Agency (Japan)
Tomohiro Araki, National Space Development Agency (Japan)
Yasumasa Hisada, National Space Development Agency (Japan)


Published in SPIE Proceedings Vol. 3615:
Free-Space Laser Communication Technologies XI
G. Stephen Mecherle, Editor(s)

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