Design of an optical fiber amplifier with multiple serial pumping for space communications

Dirk Giggenbach

doi:10.1117/12.281358

22 September 1997 Design of an optical fiber amplifier with multiple serial pumping for space communications

Dirk Giggenbach

Proceedings Volume 3110, 10th Meeting on Optical Engineering in Israel; (1997) https://doi.org/10.1117/12.281358
Event: 10th Meeting on Optical Engineering in Israel, 1997, Jerusalem, Israel

Abstract

The feasibility of an optical fiber amplifier as a booster amplifier for transmitter-terminals of free-space coherent laser communication systems has been investigated. To enhance the amplifier's efficiency and reliability in a harsh space environment a new pumping-scheme has been analyzed and demonstrated in an experimental set-up. The amplifier features efficient multiple serial coupling of the pump light into the multimode core of the double-clad fiber by using directional Y-couplers. Special attention has been paid to fiber-geometry, pump light absorption efficiency in the neodymium-doped single-mode core and the attenuation of pump and signal light.

Citation Download Citation

Dirk Giggenbach "Design of an optical fiber amplifier with multiple serial pumping for space communications", Proc. SPIE 3110, 10th Meeting on Optical Engineering in Israel, (22 September 1997); https://doi.org/10.1117/12.281358

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