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Single 0° phase mode operation in a symmetrically branching waveguide phased-array laser diode

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Abstract

A phase-locked laser diode array1–4 seems to be a reliable coherent light source for many laser diode applications. In view of the practical use of a phased array, control of the lateral mode (array mode), as well as high output light power, is an important subject, because a lot of applications require a diffraction-limited single-lobed far-field pattern. However, the array-mode control has not yet been achieved perfectly or reproductively.

© 1986 Optical Society of America

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