Observations and consequences of nonuniform aluminum concentrations in the channel regions of AlGaAs channeled-substrate-planar lasers

Journal Article · Sun Nov 01 04:00:00 EST 1987 · IEEE J. Quant. Electron.; (United States)

DOI:https://doi.org/10.1109/JQE.1987.1073260· OSTI ID:5733480

Evans, G A; Goldstein, B; Butler, J K

Compositional changes in the n-clad layer within the channel region of channel substrate planar (CSP) type semiconductor lasers have been observed. As a consequence, a large optical cavity (LOC) or an enhanced substrate loss (ESL) version of the CSP geometry may result, both of which may have significantly different characteristics from those of a conventional CSP laser. The CSP-LOC generally has a larger near-field spot size, while the ESL-CSP is characterized by an off axis, asymmetric far-field pattern.

• Research Organization: David Sarnoff Research Center, Princeton, NJ 08543
• OSTI ID: 5733480
• Journal Information: IEEE J. Quant. Electron.; (United States), Journal Name: IEEE J. Quant. Electron.; (United States) Vol. QE-23:11; ISSN IEJQA
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ALUMINIUM
ALUMINIUM ARSENIDES
ALUMINIUM COMPOUNDS
ARSENIC COMPOUNDS
ARSENIDES
CHEMICAL COMPOSITION
DOCUMENT TYPES
ELEMENTS
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
LASER CAVITIES
LASER MATERIALS
LASERS
MATERIALS
METALS
N-TYPE CONDUCTORS
OPTICAL SYSTEMS
PNICTIDES
REVIEWS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SEMICONDUCTOR MATERIALS
SUBSTRATES