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Efficient direct frequency conversion of a non-resonant injection-seeded laser diode using a periodically-poled KTP waveguide crystal

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5 Author(s)
D. J. L. Birkin ; Sch. of Phys. & Astron., Univ. of St Andrews, St. Andrews, UK ; E. U. Rafailov ; W. Sibbett ; P. Battle
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Summary form only given. There is considerable interest in compact lasers that operate in the blue spectral region. A blue laser source combining a diode laser with a waveguided nonlinear crystal represents such a compact source which is also stable, self-contained and has a low overall cost. By using a picosecond-pulse diode laser with a periodically-poled KTP waveguide crystal a coherent blue source at an average power of 3.9 mW has been demonstrated. To achieve efficient second harmonic generation (SHG) from the diode laser we designed a two-section waveguide crystal with a periodic grating structure and a Bragg grating, where this grating was fabricated to facilitate non-resonant injection seeding of the diode laser.

Published in:

Lasers and Electro-Optics, 2001. CLEO '01. Technical Digest. Summaries of papers presented at the Conference on

Date of Conference:

11-11 May 2001