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Proceedings Paper

Bandwidth narrowing of a diode laser array by beam injection using photorefractive double phase conjugation
Author(s): Andreas Hermerschmidt; F. Wang; Peter Pogany; Hans Joachim Eichler
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Paper Abstract

A diode laser array consisting of three initially uncoupled stripes is injection-locked by a 50 mW single-mode frequency tunable diode laser. Phase-conjugation is achieved by pumping a photorefractive crystal by the beams emitted from the master oscillator and the slave laser array. The injected beam is phase-conjugated with respect to the beam emitted by the slave diode laser array. The pumping beam from the slave laser is spatially filtered by a slit in the far field in the slow axis using a collimating lens. The slit consists of two mirrors, which act also as the output couplers.

Paper Details

Date Published: 6 June 2001
PDF: 7 pages
Proc. SPIE 4287, In-Plane Semiconductor Lasers V, (6 June 2001); doi: 10.1117/12.429794
Show Author Affiliations
Andreas Hermerschmidt, Technische Univ. Berlin (Germany)
F. Wang, Technische Univ. Berlin (Germany)
Peter Pogany, Technische Univ. Berlin (Germany)
Hans Joachim Eichler, Technische Univ. Berlin (Germany)

Published in SPIE Proceedings Vol. 4287:
In-Plane Semiconductor Lasers V
Luke J. Mawst; Ramon U. Martinelli, Editor(s)

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