1 April 1998 Photonic microstructures as laser mirrors
Author Affiliations +
Optical Engineering, 37(4), (1998). doi:10.1117/1.601948
Abstract
Deeply etched 1-D third-order Bragg reflectors have been used as mirrors for broad-area semiconductor lasers operating at 975-nm wavelength. From a threshold and efficiency analysis, we determine the mirror reflectivity to be approximately 95%. The design of the GaAs-based laser structure features three InGaAs quantum wells placed close (0.5 ?m) to the surface in order to reduce the required etch depth and facilitate high-quality etching. Despite the shallow design and the proximity of the guided mode to the metal contact, the threshold current density (Jth5220 A/cm2 for infinite cavity length) and internal loss (?=9±1 cm-1) are very low.
Thomas F. Krauss, Oskar J. Painter, Axel Scherer, John Stuart Roberts, Richard M. De La Rue, "Photonic microstructures as laser mirrors," Optical Engineering 37(4), (1 April 1998). http://dx.doi.org/10.1117/1.601948
JOURNAL ARTICLE
6 PAGES


SHARE
KEYWORDS
Mirrors

Reflectivity

Laser damage threshold

Photonic microstructures

Waveguides

Semiconductor lasers

Etching

RELATED CONTENT

Concepts for optical waveguide switches in silicon
Proceedings of SPIE (February 22 1995)
LEDs based on conjugated PPV block copolymers
Proceedings of SPIE (November 01 1996)
Long- and short-wavelength VCSELs
Proceedings of SPIE (August 28 2002)
Surface plasmon enhanced photoelectron emission
Proceedings of SPIE (February 15 2010)

Back to Top