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New phase matching method in micro resonators for wide-range efficient nonlinear frequency conversion October 31st, 2013

ScreenHunter_02 Nov. 06 15.39A wide-range efficient method for optical second harmonic generation based on a whispering gallery mode resonator made from crystalline beta barium borate has been reported. With a single BBO resonator, efficient second harmonic generation has been demonstrated over one octave wavelength range. The paper appears in Appl. Phys. Lett.