Abstract

The low-frequency noise characteristics of several stripe-geometry Pb-salt semiconductor diode lasers were investigated in the 4–11-μm spectral region. Excess noise is observed to vary as the ratio of I/I_t, where I is the injection current and I_t is the threshold value at which lasing action begins. The magnitude of the diode laser excess noise has been measured to be 24 dB above shot noise at threshold.

© 1979 Optical Society of America

Optical feedback effects on the performance of Pb₁₋xSnxSe semiconductor lasers

C. N. Harward and J. M. Hoell
Appl. Opt. 18(23) 3978-3983 (1979)

Low-frequency intensity noise in semiconductor lasers

M. M. Hall and J. L. Carlsten
Appl. Opt. 35(33) 6438-6444 (1996)

Wideband noise characteristics of a lead-salt diode laser: possibility of quantum noise limited TDLAS performance

Peter Werle, Franz Slemr, Manfred Gehrtz, and Christof Bräuchle
Appl. Opt. 28(9) 1638-1642 (1989)

Improved sensitivity of tunable-diode-laser open-path trace gas monitoring systems

R. S. Eng, A. W. Mantz, and T. R. Todd
Appl. Opt. 18(20) 3438-3442 (1979)

High-frequency intensity noise of lead-salt diode lasers

H. Fischer and M. Tacke
J. Opt. Soc. Am. B 8(9) 1824-1830 (1991)