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Proceedings Paper

Highly efficient and athermal 1550nm-fiber-MOPA-based high power down link laser transmitter for deep space communication
Author(s): Doruk Engin; Frank Kimpel; John Burton; He Cao; Bruce McIntosh; Mark Storm; Shantanu Gupta
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Paper Abstract

We demonstrate highly efficient, 1.5um-fiber-amplifier, optimized for athermal and reliable operation. High efficient operation is sustained for a wide range of pulse-position-modulation (16 to 128-ary PPM) formats with pulse widths varying from 8nsec to 0.5nsec. System achieves 6W average and ~1kW peak power with 8nsec pulses and 3Ghz linewidth. Stimulated Brillion scattering is managed by use of LMA fiber in final stage and precise linewidth control while maintaining the required diffraction limited, and (PER>20dB) polarized output. System maintains performance for ambient temperatures 10-50°C.

Paper Details

Date Published: 19 March 2013
PDF: 13 pages
Proc. SPIE 8610, Free-Space Laser Communication and Atmospheric Propagation XXV, 86100G (19 March 2013); doi: 10.1117/12.2005926
Show Author Affiliations
Doruk Engin, Fibertek, Inc. (United States)
Frank Kimpel, Fibertek, Inc. (United States)
John Burton, Fibertek, Inc. (United States)
He Cao, Fibertek, Inc. (United States)
Bruce McIntosh, Fibertek, Inc. (United States)
Mark Storm, Fibertek, Inc. (United States)
Shantanu Gupta, Fibertek, Inc. (United States)

Published in SPIE Proceedings Vol. 8610:
Free-Space Laser Communication and Atmospheric Propagation XXV
Hamid Hemmati; Don M. Boroson, Editor(s)

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