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Proceedings Paper

Multigigahertz relative intensity noise of an InGaAsP laser at cryogenic temperature
Author(s): Gregory E. Obarski; Donald R. Larson; Robert J. Phelan
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Paper Abstract

Using a well-characterized measurement system having 22 GHz bandwidth, we show that the relative intensity noise (RIN) of a commercial InGaAsP laser (multi-longitudinal mode) operating at 77 K is significantly reduced below room temperature values over a broad frequency range. For laser operation with equal drive currents at both temperatures, a RIN reduction of as high as approximately equal to 24 dB/Hz is observed in the frequency region of relaxation oscillations, while for operation with equal power outputs the maximum reduction observed is approximately equal to 14 dB/Hz.

Paper Details

Date Published: 1 April 1996
PDF: 8 pages
Proc. SPIE 2684, High-Speed Semiconductor Laser Sources, (1 April 1996); doi: 10.1117/12.236934
Show Author Affiliations
Gregory E. Obarski, National Institute of Standards and Technology (United States)
Donald R. Larson, National Institute of Standards and Technology (United States)
Robert J. Phelan, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 2684:
High-Speed Semiconductor Laser Sources
Paul A. Morton; Deborah L. Crawford, Editor(s)

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