This work was supported in part by the National Science Foundation under Grant No. ECS-9014481 and by Tektronix, Inc.
Journal of Applied Physics
Lasers, Oscillations -- Mathematical models, Semiconductor lasers
The effects of spontaneous emission on the threshold characteristics of multimode laser oscillators with mixed line broadening are considered in detail. Most previous studies of multimode laser operation have emphasized the two limits of homogeneous and inhomogeneous broadening. With homogeneous broadening there is a tendency for oscillation in a single longitudinal mode, while in the inhomogeneous limit oscillation over much of the gain spectrum is expected. All practical lasers are somewhere between these limits, and this study explores the mode characteristics of lasers with mixed line broadening. Special attention is given to the important practical case of semiconductor diode lasers, and band‐to‐band absorption is fully included.
Casperson, L. W., & Khoshnevissan, M. (1994). Threshold characteristics of multimode semiconductor lasers. Journal Of Applied Physics, 75(2), 737.