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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Applied Physics B - Laser and Optics, Springer Verlag, 2007, 87, pp.233-237. 〈10.1007/s00340-007-2603-0〉
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Contributeur : Nicolas Dubreuil <>
Soumis le : lundi 21 août 2017 - 16:05:30
Dernière modification le : jeudi 11 janvier 2018 - 06:26:20

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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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