Deep blue generation at 456 nm in a periodically poled MgO:LiNbO/sub 3/ ridge-type waveguide by single-pass frequency doubling of a Nd:GdVO/sub 4/ micro-laser

Abstract

Continuous-wave blue light at 456 nm of 93 mW with 14.6% infrared-to-blue conversion efficiency (17.3% internal conversion) is reported from a periodically polled MgO:LiNbO/sub 3/ ridge-type waveguide by single-pass frequency doubling of a 912-nm Nd:GdVO/sub 4/ micro-laser. 

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