Single-lobe ‘Y’ coupled laser diode arrays

12 March 1987

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 23 (6) , 270-272
https://doi.org/10.1049/el:19870197

Abstract

‘Y’ Coupled laser arrays have been fabricated with flared waveguides at the output facet to expand the near-field spot and increase the near-field fill factor to greater than 80%. The far-field radiation pattern is predominantly single-lobe, and power outputs of 150mW CW have been obtained with threshold currents as low as 130mA.

Keywords

130 MA
NEAR-FIELD SPOT
FLARED WAVEGUIDES
THRESHOLD CURRENTS
POWER OUTPUTS
150 MW
Y COUPLED LASER DIODE ARRAYS
SEMICONDUCTOR LASER
NEAR-FIELD FILL FACTOR
SINGLE LOBE FAR FIELD RADIATION PATTERN

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