Array mode selection utilizing an external cavity configuration

We report operation of a ten-stripe, gain-guided, phase-locked diode laser in an external cavity configuration. The laser radiates in a single narrow (1°) lobe. Such lasers generally lase in the highest order array mode, L=10, which radiates in a twin-lobe far-field pattern. With one antireflection-...

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Bibliographic Details
Published in:Applied physics letters 1985-07, Vol.47 (2), p.89-91
Main Authors: YAELI, J, STREIFER, W, SCIFRES, D. R, CROSS, P. S, THORNTON, R. L, BURNHAM, R. D
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optics
Physics
Semiconductor lasers
laser diodes
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Summary:We report operation of a ten-stripe, gain-guided, phase-locked diode laser in an external cavity configuration. The laser radiates in a single narrow (1°) lobe. Such lasers generally lase in the highest order array mode, L=10, which radiates in a twin-lobe far-field pattern. With one antireflection-coated facet and a slit spatial filter, the laser has been operated in the L=1, 2, 3 or 10 array modes. A theoretical explanation of the spatial filter function is included.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.96261