Quasi-instantaneous (<20ps) phase locking in single-lobe y-coupled laser diode arrays

21 May 1987

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

Vol. 23 (11) , 589-590
https://doi.org/10.1049/el:19870423

Abstract

The time evolution of the far-field radiation pattern of an in-phase locked Y-coupled diode laser array has been observed with a streak camera. A strong central lobe 2.3° wide with faint secondary sidelobes separated by 15° forms in a time less than 20 ps. This indicates that the elements of the array are instantaneously locked in-phase.

Keywords

20 PS
TIME EVOLUTION
STREAK CAMERA
SIDELOBES
Y-COUPLED LASER DIODE ARRAYS
PHASE LOCKING
FAR-FIELD RADIATION PATTERN

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