External-cavity designs for phase-coupled laser diode arrays
Gaelle Lucas-Leclin (LCFIO), David Pab{\oe}uf (LCFIO), Patrick Georges, (LCFIO), Nicolas Michel (III-V Lab), Michel Calligaro (Thales Research and, Technology), Michel Krakowski (III-V Lab), Jun Lim, Slawomir Sujecki, Eric, Larkins
TL;DR
This paper explores external-cavity configurations with volume Bragg gratings to passively phase-lock laser diode arrays, aiming to enhance their brightness through stabilization techniques.
Contribution
It introduces specific external-cavity designs utilizing volume Bragg gratings for passive phase-locking of diode laser arrays, combining numerical modeling and experimental validation.
Findings
Successful phase-locking demonstrated
Brightness of diode laser bars improved
External-cavity designs effectively stabilize laser emission
Abstract
We describe passive phase-locking architectures based on external-cavity setups to improve the brightness of diode laser bars. Volume Bragg gratings are used to stabilize the lase line. Numerical modelling and experimental results will be presented.
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