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Blue light generation by frequency doubling CW diode laser radiation in ion-implanted KNbO3 waveguides

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6 Author(s)
Fluck, D. ; Inst. of Quantum Electron., Swiss Federal Inst. of Technol., Zurich ; Pliska, T. ; Gunter, P. ; Fleuster, M.
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The authors report the generation of 0.5 mW blue light at 430 nm by frequency doubling CW diode laser radiation in ion-implanted KNbO3 channel waveguides at room temperature with normalised conversion efficiency of 20%/W. The emission wavelength of the diode laser was kept stable by providing optical feedback from an external grating

Published in:

Electronics Letters  (Volume:30 ,  Issue: 23 )