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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 26 — Dec. 26, 2005
  • pp: 10589–10596

Tunable high-power narrow-linewidth semiconductor laser based on an external-cavity tapered amplifier

Mingjun Chi, Ole Bjarlin Jensen, Jesper Holm, Christian Pedersen, Peter Eskil Andersen, Götz Erbert, Bernd Sumpf, and Paul Michael Petersen  »View Author Affiliations


Optics Express, Vol. 13, Issue 26, pp. 10589-10596 (2005)
http://dx.doi.org/10.1364/OPEX.13.010589


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Abstract

A high-power narrow-linewidth laser system based on a tapered semiconductor optical amplifier in external cavity is demonstrated. The external cavity laser system uses a new tapered amplifier with a super-large optical-cavity (SLOC) design that leads to improved performance of the external cavity diode lasers. The laser system is tunable over a 29 nm range centered at 802 nm. As high as 1.95 W output power is obtained at 803.84 nm, and an output power above 1.5 W is achieved from 793 to 812 nm at operating current of 3.0 A. The emission linewidth is below 0.004 nm and the beam quality factor M2 is below 1.3 over the 29 nm tunable range. As an example of application, the laser system is used as a pump source for the generation of 405 nm blue light by single-pass frequency doubling in a periodically poled KTiOPO4. An output power of 24 mW at 405 nm, corresponding to a conversion efficiency of 0.83%/W is attained.

© 2005 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(140.2020) Lasers and laser optics : Diode lasers
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Research Papers

Citation
Mingjun Chi, Ole Bjarlin Jensen, Jesper Holm, Christian Pedersen, Peter Eskil Andersen, Götz Erbert, Bernd Sumpf, and Paul Michael Petersen, "Tunable high-power narrow-linewidth semiconductor laser based on an external-cavity tapered amplifier," Opt. Express 13, 10589-10596 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-26-10589


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