The Review of Laser Engineering
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Laser Originals
High Power SHG Blue-Violet Laser Using Distributed Bragg Reflector Laser Diode and Waveguide-Type Wavelength Conversion Device
Yasuo KITAOKA, Akihiro MORIKAWA, Toshifumi YOKOYAMA, Tomoya SUGITA, Kiminori MIZUUCHI, Ken'ichi KASAZUMI, Kazuhisa YAMAMOTO, Toru TAKAYAMA, Kenji ORITA, Atsunori MOCHIDA, Shinichi TAKIGAWA, Masaaki YURI, Hirokazu SHIMIZU
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Keywords: SHG (second harmonic generation), Mg:LiNbO3, Quasi-phase-matching, Blue-violet light, DBR (distributed Bragg reflector) laser diode
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2002 Volume 30 Issue 11 Pages 676-680

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Abstract
We demonstrate highly efficient frequency doubling of a 160 mW-AlGaAs three-section tunable distributed Bragg reflector (DBR) laser diode with real refractive-index-guided structure in a quasi-phase-matched second harmonic generation (QPM-SHG) ridge-type waveguide device. We realized high coupling efficiency of the DBR laser diode and the QPM-SHG waveguide device using a planar-type butt-coupling configuration. High-power SHG blue violet laser was fabricated, whose volume is 0.3 cc. This SHG blue-violet laser satisfied the several specifications for optical disk systems, and the pulsed blue-violet light (410 nm) power of 62 mW was generated.
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© 2002 by The Laser Society of Japan
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