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
Published in2017 IEEE High Power Diode Lasers and Systems Conference (HPD) pp. 49 - 50
Main Authors Lucas-Leclin, Gaelle, Schimmel, Guillaume, Albrodt, Philipp, Hanna, Marc, Georges, Patrick
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2017
Subjects
Brightness
Diode lasers
Laser beams
Laser cavity resonators
Optical fiber amplifiers
Phase noise
Semiconductor laser arrays
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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.
ISBN:1538632624
9781538632628
ISSN:2379-0385
2379-0393
DOI:10.1109/HPD.2017.8261095