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Conference Poster Year : 2015

Passive coherent combining of two tapered laser diodes in an interferometric external cavity

Abstract

We demonstrate a rear-side phase-locking architecture with two high-brightness diode lasers. This technique is based on the passive phase-locking of emitters in an external cavity on their rear facet, and their coherent combination on the front facet. Two high-brightness high-power tapered laser diodes are coherently combined using a Michelson-based cavity. The combining efficiency is above 80% and results in an output power of 6.5 W in a nearly diffraction-limited beam.
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Dates and versions

hal-01257023 , version 1 (15-01-2016)

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Guillaume Schimmel, Ioana Doyen, S Janicot, Marc Hanna, Patrick Georges, et al.. Passive coherent combining of two tapered laser diodes in an interferometric external cavity. High Power Laser Diode Conference, Oct 2015, Coventry, United Kingdom. ⟨10.1109/HPD.2015.7439670⟩. ⟨hal-01257023⟩
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