Share Email Print
cover

Proceedings Paper

Analysis and characterization of the small-signal modulation of a vertical external cavity surface emitting laser
Author(s): N. Terry; M. Walton; R. Bedford
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

The small signal modulation of a vertical external cavity surface emitting laser (VECSEL) is examined. The modulation transfer function (MTF) of the cavity is measured for multiple photon lifetimes operating between Class A and Class B regimes, where the photon and carrier lifetimes are of the same order. Three coupled ordinary differential equations with similarities to an electrically-injected quantum-well laser with a separate confinement heterostructure are used to mathematically describe the time-dependant VECSEL response. We present a series of measurements that provide important laser parameters such as internal device losses and differential gain. The VECSEL operating in this regime is an overdamped oscillator and has free-running characteristics that are not unlike quantum-dot and quantum-cascade lasers.

Paper Details

Date Published: 26 February 2010
PDF: 10 pages
Proc. SPIE 7597, Physics and Simulation of Optoelectronic Devices XVIII, 75972B (26 February 2010); doi: 10.1117/12.852283
Show Author Affiliations
N. Terry, Air Force Research Lab. (United States)
M. Walton, Air Force Research Lab. (United States)
R. Bedford, Air Force Research Lab. (United States)


Published in SPIE Proceedings Vol. 7597:
Physics and Simulation of Optoelectronic Devices XVIII
Bernd Witzigmann; Fritz Henneberger; Yasuhiko Arakawa; Marek Osinski, Editor(s)

© SPIE. Terms of Use
Back to Top