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Mode-selective wavelength conversion based on four-wave mixing in a multimode silicon waveguide

机译:基于多模硅波导中的四波混频的模式选择波长转换

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摘要

We propose and demonstrate all-optical mode-selective wavelength conversion in a silicon waveguide. The mode-selective wavelength conversion relies on strong four-wave mixing when pump and signal light are on the same spatial mode, while weak four-wave mixing is obtained between different modes due to phase mismatch. A two-mode division multiplexing circuit with tapered directional coupler based (de)multiplexers and a multimode waveguide is designed and fabricated for this application. Experimental results show clear eye-diagrams and moderate power penalties for the wavelength conversion of both modes.
机译:我们提出并演示了硅波导中的全光模式选择性波长转换。当泵浦光和信号光处于同一空间模式时,模式选择波长转换依赖于强四波混合,而由于相位失配,在不同模式之间会获得弱四波混合。针对该应用,设计并制造了具有基于锥形定向耦合器的多解复用器和多模波导的双模除法复用电路。实验结果表明,两种模式的波长转换均具有清晰的眼图和适度的功率损失。

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