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Single-mode output power enhancement of an extended cavity broad-area laser diode by an intracavity photorefractive crystal

Abstract : Brightness improvement of high-power semiconductor lasers can be achieved by placing a broad-area laser diode, used as a pure optical amplifier, in an extended cavity. We report the modal behavior of an extended cavity which contains a photorefractive crystal. The dynamic holographic medium that plays the role of a spatial and spectral filter acts on the transverse and axial structure of the extended cavity modes and improves the single-mode operating range of the laser. An enhancement of the brightness in single-mode operation by a factor of seven has been experimentally observed thanks to the intracavity photorefractive crystal.
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https://hal-iogs.archives-ouvertes.fr/hal-01575759
Contributor : Nicolas Dubreuil <>
Submitted on : Monday, August 21, 2017 - 4:05:30 PM
Last modification on : Monday, February 25, 2019 - 5:24:05 PM

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Vincent Reboud, Nicolas Dubreuil, Pierre Fournet, Gilles Pauliat, Gérald Roosen, et al.. Single-mode output power enhancement of an extended cavity broad-area laser diode by an intracavity photorefractive crystal. Applied Physics B - Laser and Optics, Springer Verlag, 2007, 87, pp.233-237. ⟨10.1007/s00340-007-2603-0⟩. ⟨hal-01575759⟩

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