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Measurement of the temporal coherence properties of pulsed single-mode laser diodes

Haney, Michael and Psaltis, Demetri (1985) Measurement of the temporal coherence properties of pulsed single-mode laser diodes. Applied Optics, 24 (13). pp. 1926-1932. ISSN 0003-6935.

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The coherence of a single-mode laser diode, under high-speed pulsed modulation, is limited by instabilities in the lasing wavelength arising from transient phenomena in the junction region of the laser. This paper reports the results of an experiment to characterize the effects of these modal instabilities on the temporal coherence of pulsed laser diodes. The primary intent of the experiment was measurement of the cumulative effect of the modal instabilities on the fringe visibility in interferometric time integrating optical processors. A conclusion of this study is that commercially available laser diodes can be used as pulsed light sources in interferometric applications in which the pulse width of the laser is long compared to its characteristic coherence time constant and short compared to its characteristic thermal time constant. Furthermore, the interpulse modal instability can be minimized by prudent choice of operating conditions.

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Additional Information:© Copyright 1985 Optical Society of America. Received 26 December 1984. The research reported in this paper is supported by the Air Force Office of Scientific Research, General Dynamics, and the Army Research Office.
Issue or Number:13
Record Number:CaltechAUTHORS:HANao85
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Official Citation:M. Haney and D. Psaltis, "Measurement of the temporal coherence properties of pulsed single-mode laser diodes," Appl. Opt. 24, 1926- (1985)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:10781
Deposited By: Archive Administrator
Deposited On:09 Jun 2008
Last Modified:03 Oct 2019 00:13

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