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FOUR-WAVE-MIXING BASED OPTICAL WAVELENGTH CONVERTER DEVICE
FOUR-WAVE-MIXING BASED OPTICAL WAVELENGTH CONVERTER DEVICE
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机译:基于四波混频的光学波长转换器
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摘要
Wavelength converter device (100), for generating a converted radiation at frequency Ωg through interaction between at least one signal radiation at frequency Ωg and at least one pump radiation at frequency Ωg, comprising * an input (1) for said at least one signal radiation at frequency Ωg; * a pump light source (3) for generating said at least one pump radiation at frequency Ωg; * an output (2) for taking out said converted radiation at frequency Ωg; * a structure (4) for transmitting said signal radiation, said structure (4) including one optical resonator (10) comprising a non-linear material, having an optical length of at least 40*θ/2, wavelength θ is the wavelength of the pump radiation, and resonating at the pump, signal and converted frequencies Ωp, Ωs and Ωg, characterized in that said structure (4) comprises a further optical resonator (20) coupled in series to said optical resonator (10), said further optical resonator (20) comprising a non-linear material, having an optical length of at least 40*θ/2, wherein θ is the wavelength of the pump radiation, and resonating at the pump, signal and converted Ωp, Ωs and Ωg; wherein by propagating through said structure (4) the pump and signal radiation generate said converted radiation by non-linear interaction within said optical resonators (10, 20).
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