Coherent combining architectures for high-brightness laser diodes

Coherent beam combining aims at increasing the spatial brightness of lasers. It consists in maintaining a constant phase relationship between different emitters, in order to combine them constructively in one single beam. Different architectures are proposed in the literature, either based on lasers...

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Bibliographic Details
Main Authors: Lucas-Leclin, Gaelle, Schimmel, Guillaume, Albrodt, Philipp, Hanna, Marc, Georges, Patrick
Format: Conference Proceeding
Language:English
Subjects:
Brightness
Diode lasers
Laser beams
Laser cavity resonators
Optical fiber amplifiers
Phase noise
Semiconductor laser arrays
Online Access:Request full text
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Summary:Coherent beam combining aims at increasing the spatial brightness of lasers. It consists in maintaining a constant phase relationship between different emitters, in order to combine them constructively in one single beam. Different architectures are proposed in the literature, either based on lasers in a passive extended-cavity or amplifiers seeded by a master oscillator. We compare the different approaches for high-brightness tapered laser devices.
ISSN:2379-0385
2379-0393
DOI:10.1109/HPD.2017.8261095