517nm - 538nm tunable second harmonic generation in a diode-pumped PPKTP waveguide crystal

K. A. Fedorova; Phillip R. Battle; Daniil A. Livshits; E. U. Rafailov

doi:10.1117/12.2078334

27 February 2015 517nm - 538nm tunable second harmonic generation in a diode-pumped PPKTP waveguide crystal

K. A. Fedorova, Phillip R. Battle, Daniil A. Livshits, E. U. Rafailov

Proceedings Volume 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV; 93470D (2015) https://doi.org/10.1117/12.2078334
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

Tunable continuous wave (CW) green light generation between 517 nm and 538 nm at room-temperature has been demonstrated from a frequency-doubled broadly tunable quantum well (QW) external-cavity fiber-coupled diode laser by use of an uncoated periodically poled potassium titanyl phosphate (PPKTP) crystal waveguide crystal. Green light at 530 nm with maximum conversion efficiency of 14.8% and output power of 12.88 mW has been generated using a PPKTP crystal waveguide with the cross-sectional area of 3x5μm². The possibility of tunable second harmonic generation in the PPKTP crystal waveguides with the cross-sectional areas of 4x4μm² and 2x6μm² was also investigated.

Citation Download Citation

K. A. Fedorova, Phillip R. Battle, Daniil A. Livshits, and E. U. Rafailov "517nm - 538nm tunable second harmonic generation in a diode-pumped PPKTP waveguide crystal", Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 93470D (27 February 2015); https://doi.org/10.1117/12.2078334

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