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  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1996),
  • paper CWF23

Cascaded lens waveguiding for efficient second-harmonic generation in KNbO3

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Abstract

Frequency doubling of near-infrared diode lasers (DLs) offers the potential of a robust and reliable blue laser source. Potassium niobate (KNbO3) crystals are very attractive for second-harmonic generation (SHG) in the blue-green spectral range due to their high nonlinear optical coefficients and the favorable noncritical phase-matching possibilities for wavelengths at 858 run and 982 run at room temperature.1,2 SHG by frequency doubling of DLs in KNbO3 has been demonstrated in single-pass,3−5 resonant,6,7 and waveguide8 configurations.

© 1996 Optical Society of America

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