Abstract
A compact all-room-temperature frequency-doubling scheme generating cw orange light with a periodically poled potassium titanyl phosphate waveguide and a quantum-dot external cavity diode laser is demonstrated. A frequency-doubled power of up to 4.3 mW at the wavelength of 612.9 nm with a conversion efficiency exceeding 10% is reported. Second harmonic wavelength tuning between 612.9 nm and 616.3 nm by changing the temperature of the crystal is also demonstrated.
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Fedorova, K.A., Cataluna, M.A., Battle, P.R. et al. Orange light generation from a PPKTP waveguide end pumped by a cw quantum-dot tunable laser diode. Appl. Phys. B 103, 41–43 (2011). https://doi.org/10.1007/s00340-010-4317-y
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DOI: https://doi.org/10.1007/s00340-010-4317-y