Very high-power broad area laser diode with internal wavelength stabilization at 975 nm for Yb fibre laser pumping

Michel Krakowski; Marco Lamponi; Michel Lecomte; Michaël Maria; Patrick Resneau; Yannick Robert; Eric Vinet; Michel Garcia; Olivier Parillaud

doi:10.1117/12.2039726

27 February 2014 Very high-power broad area laser diode with internal wavelength stabilization at 975 nm for Yb fibre laser pumping

Michel Krakowski, Marco Lamponi, Michel Lecomte, Michaël Maria, Patrick Resneau, Yannick Robert, Eric Vinet, Michel Garcia, Olivier Parillaud

Author Affiliations +

Proceedings Volume 9002, Novel In-Plane Semiconductor Lasers XIII; 90021G (2014) https://doi.org/10.1117/12.2039726
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

Due to the narrow absorption peak of Yb in glass at 975nm, a wavelength stabilisation is necessary for pump laser diodes. Our original approach is to use a Distributed Feedback broad area structure which is made possible since we use an Aluminium free active region laser structure. The target is to obtain high optical power of 10W with both a reduce wavelength evolution with temperature and a low spectral width. On a 3mm x 100 μm BA Fabry Perot laser, we have obtained a high power of 10W. Design, fabrication and results on BA DFB lasers will be presented, showing a low spectral width at 976nm at 3W output power.

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Michel Krakowski, Marco Lamponi, Michel Lecomte, Michaël Maria, Patrick Resneau, Yannick Robert, Eric Vinet, Michel Garcia, and Olivier Parillaud "Very high-power broad area laser diode with internal wavelength stabilization at 975 nm for Yb fibre laser pumping", Proc. SPIE 9002, Novel In-Plane Semiconductor Lasers XIII, 90021G (27 February 2014); https://doi.org/10.1117/12.2039726

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