Bandwidth narrowing of a diode laser array by beam injection using photorefractive double phase conjugation

Andreas Hermerschmidt; F. Wang; Peter Pogany; Hans Joachim Eichler

doi:10.1117/12.429794

6 June 2001 Bandwidth narrowing of a diode laser array by beam injection using photorefractive double phase conjugation

Andreas Hermerschmidt, F. Wang, Peter Pogany, Hans Joachim Eichler

Author Affiliations +

Proceedings Volume 4287, In-Plane Semiconductor Lasers V; (2001) https://doi.org/10.1117/12.429794
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

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.

Citation Download Citation

Andreas Hermerschmidt, F. Wang, Peter Pogany, and Hans Joachim Eichler "Bandwidth narrowing of a diode laser array by beam injection using photorefractive double phase conjugation", Proc. SPIE 4287, In-Plane Semiconductor Lasers V, (6 June 2001); https://doi.org/10.1117/12.429794

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