Frequency doubling of an extended-cavity GaAIAs laser diode using a periodically poled KTP waveguide

W. P Risk; W. J. Kozlovsky; W. Lenth; S. D. Lau; G. L. Bona; G. L. Bona; H. Jaeckel; H. Jaeckel; D. J. Webb; D. J. Webb

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1993),
paper CWC5

Frequency doubling of an extended-cavity GaAIAs laser diode using a periodically poled KTP waveguide

W. P Risk, W. J. Kozlovsky, W. Lenth, S. D. Lau, G. L. Bona, H. Jaeckel, and D. J. Webb

Conference on Lasers and Electro-Optics 1993

Baltimore, Maryland United States
2–7 May 1993
ISBN: 1-55752-189-1

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Efficient cw Second-Harmonic Generation (CWC)

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W. P. Risk, W. J. Kozlovsky, W. Lenth, S. D. Lau, G. L. Bona, H. Jaeckel, and D. J. Webb, "Frequency doubling of an extended-cavity GaAIAs laser diode using a periodically poled KTP waveguide," in Conference on Lasers and Electro-Optics, A. Glass, T. Hsu, T. Deutsch, and J. Goldman, eds., Vol. 10 of OSA Technical Digest (Optica Publishing Group, 1993), paper CWC5.

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Abstract

There is currently considerable interest in compact blue light sources that use periodically poled waveguides for quasi-phase-matched frequency doubling of GaAlAs laser diodes.^1,2 Ina practical device, feedback must be suppressed to achieve stable operation of the laser diode. Here we report the use of air "extended cavity'" configuration in which the diode laser output facet and SHG waveguide facets are antireflection-coated, and strong feedback is intentionally provided by an external grating to produce stable laser oscillation.

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