Record high efficient frequency doublers in periodically poled silica fibres are demonstrated for light generation at 532 nm and 775 nm. The onset of nonlinear conductivity is shown to limit the maximum χ(2) in glass.
© 2012 OSA
C. Corbari, A. Canagasabey, M. Ibsen, A. V. Gladyshev, and P. G. Kazansky, "Advances and Prospects of Frequency Doublers Based On Periodically Poled Silica Fibres," in Advanced Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper BW3E.1.
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