High-efficiency frequency doubling of continuous-wave laser light

Ast, Stefan; Nia, Ramon Moghadas; Schönbeck, Axel; Lastzka, Nico; Steinlechner, Jessica; Eberle, Tobias; Mehmet, Moritz; Steinlechner, Sebastian; Schnabel, Roman

doi:10.1364/OL.36.003467

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学術論文

High-efficiency frequency doubling of continuous-wave laser light

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Ast, Stefan
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Lastzka, Nico
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Eberle, Tobias
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Mehmet, Moritz
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Steinlechner, Sebastian
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Schnabel, Roman
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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フルテキスト (公開)

1105.5909
(プレプリント), 4KB

OptLet36_3467.pdf
(全文テキスト（全般）), 329KB

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引用

Ast, S., Nia, R. M., Schönbeck, A., Lastzka, N., Steinlechner, J., Eberle, T., Mehmet, M., Steinlechner, S., & Schnabel, R. (2011). High-efficiency frequency doubling of continuous-wave laser light. Optics Letters, 36(17), 3467-3469. doi:10.1364/OL.36.003467.

引用: https://hdl.handle.net/11858/00-001M-0000-0012-1C7D-1

要旨

We report on the observation of high efficiency frequency doubling of 1550 nm continuous-wave laser light in a nonlinear cavity containing a periodically poled potassium titanyl phosphate crystal (PPKTP). The fundamental field had a power of 1.10 W and was converted into 1.05 W at 775 nm, yielding a total external conversion efficiency of (95 \pm 1)%. The latter value is based on the measured depletion of the fundamental field being consistent with the absolute values derived from numerical simulations. According to our model, the conversion efficiency achieved was limited by the non-perfect mode-matching into the nonlinear cavity and the pump power available. Our result shows that cavity-assisted frequency conversion based on PPKTP is well suited for low-decoherence frequency conversion of quantum states of light.