A tool to calculate the linewidth of complicated semiconductor lasers

Journal Article · Sat Aug 01 00:00:00 EDT 1987 · IEEE J. Quant. Electron.; (United States)

DOI:https://doi.org/10.1109/JQE.1987.1073514· OSTI ID:6131141

Bjork, G; Nilsson, O

A theory of the low-frequency phase fluctuations in the output of a semiconductor laser due to spontaneous emission is developed. The theory can be used as a tool to numerically calculate the linewidth of complicated laser structures, e.g., by use of the transfer matrix formulation. The results for the single Fabry-Perot laser are shown to be in exact agreement with the most accurate treatments published so far. Results are then presented for both DFB and F-P lasers with external optical feedback showing how the linewidth varies with the threshold gain, with the coupling coefficient, and with the external feedback conditions.

• Research Organization: Dept. of Microwave Engineering, Royal Institute of Technology, S-100 44 Stockholm
• OSTI ID: 6131141
• Journal Information: IEEE J. Quant. Electron.; (United States), Journal Name: IEEE J. Quant. Electron.; (United States) Vol. QE-23:8; ISSN IEJQA
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ACCURACY
AMPLIFICATION
CALCULATION METHODS
COUPLING CONSTANTS
DATA ANALYSIS
EMISSION
ENERGY-LEVEL TRANSITIONS
FABRY-PEROT INTERFEROMETER
FEEDBACK
FLUCTUATIONS
FREQUENCY DEPENDENCE
GAIN
INTERFEROMETERS
LASERS
LINE WIDTHS
MEASURING INSTRUMENTS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
STIMULATED EMISSION
TRANSFER MATRIX METHOD
VARIATIONS