Accuracy of Petermann's K-factor in the theory of semiconductor lasers

Journal Article · Tue Apr 01 00:00:00 EST 1986 · IEEE J. Quant. Electron.; (United States)

DOI:https://doi.org/10.1109/JQE.1986.1072997· OSTI ID:6034003

El Mashade, M B; Arnaud, J

Petermann has proposed that the classical formula for the linewidth of a laser be multiplied by a factor K >> 1 in the case of gain-guided semiconductor lasers. The concept of power in the mode used by that author, however, is not well defined in a waveguide with gain, and his theory is therefore opened to question. The analysis given here avoids this difficulty and nevertheless agrees with Petermann's result. This is because spatial mode filtering is strong in oscillating lasers.

• Research Organization: Equipe de Microoptoelectronique de Montpellier, CNRS, Montpellier Cedex
• OSTI ID: 6034003
• Journal Information: IEEE J. Quant. Electron.; (United States), Vol. QE-22:4
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
SEMICONDUCTOR LASERS
GAIN
OSCILLATIONS
CALCULATION METHODS
MULTIPLICATION FACTORS
WAVEGUIDES
AMPLIFICATION
LASERS
SEMICONDUCTOR DEVICES
420300* - Engineering- Lasers- (-1989)