Abstract

A custom-developed high-power laser based on a Yb-doped amplifier is characterized as a transmitter for deep-space optical communications. The key requirements are high peak power at moderate data rates with good beam quality. The transient pulse dynamics are modeled via a simple rate equation approach and reveal a qualitative agreement with the pulsed performance. Peak powers were obtained up to 8 kW for a 22-ns pulsewidth at a 3.5-kHz repetition rates. The peak power dropped significantly as the repetition rate was increased to 50 kHz.

© 2005 IEEE

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Other

K. Shaik and H. Hemmati, "Wavelength selection criteria for laser communications", in Proc. SPIE, vol. 2381, San Jose, CA, 1995, p. 342.

C. Chen, J. W. Alexander, H. Hemmati, S. Monacos, T. Yan, S. Lee, J. R. Lesh and S. Zingales, "System requirements for a deep space optical transceiver", in Proc. SPIE, vol. 3615, San Jose, CA, 1999, p. 142.

L. Krainer, R. Paschotta, S. Lecomte, M. Moser, K. J. Weingarten and U. Keller, "Compact Nd:YVO4 lasers with pulse repetition rates up to 160 GHz", IEEE J. Quantum Electron., vol. 38, no. 10, p. 1331, Oct. 2002.

Y. Wang and H. Po, "Dynamic characteristics of double-clad fiber amplifiers for high-power pulse amplification", J. Lightw. Technol., vol. 21, no. 10, pp. 2262-2270, Oct. 2003.

E. Desurvire, Erbium-Doped Fiber Amplifiers, Principles and Applications , New York: Wiley, 1994, pp. 410-420.

G. C. Valley, "Modeling cladding-pumped Er/Yb fiber amplifiers", Opt. Fiber Technol., vol. 7, no. 1, p. 21, 2001.

R. Paschotta, J. Nilsson, A. C. Tropper and D. C. Hanna, "Ytterbium-doped fiber amplifiers", IEEE J. Quantum Electron., vol. 33, no. 7, pp. 1049-1056, Jul. 1997.

G. P. Agrawal, Fiber-Optic Communication Systems, New York: Wiley, 1997.

P. C. Becker, N. A. Olsson and J. R. Simpson, Erbium-Doped Fiber Amplifiers, Fundamentals, and Technology , New York: Academic, 1999.

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