Three-output-channel photonic crystal splitter and switch based on nonlinear resonators and the self-collimation characteristics of a light beam

Liu Kaizhu; Fan Haoran; Feng Shuai; Guo Honglian; Li Chuanbo

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Three-output-channel photonic crystal splitter and switch based on nonlinear resonators and the self-collimation characteristics of a light beam

机译：基于非线性谐振器的三输出通道光子晶体分离器和开关和光束的自直准确特性

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Based on the nonlinear resonators and self-collimation characteristics of light beams, we designed an all-optical photonic crystal beam splitter and switch. The proposed device consists of an input waveguide and three output waveguides connected to different ring resonators. Three pump beams transmit through different resonators via the self-collimation effect, and eight output states are realized by altering the intensity of the pump light. The proposed device works at the wavelength of 1629.57 nm, and the pump wavelength is located at 1240.00 nm. The transmittance contrast between the "on" and "off" states reached a maximum value of 124.0 and a minimum of 17.6. The minimal pump light intensity required to implement the performance is only 0.162 W/mu m(2), while the maximal value is about 0.497 W/mu m(2). Due to the small size of our proposed device and also its insensitivity to the pump light beams' incident location and spatial width within a certain degree, it has great potential application value in all-optical communications. (C) 2019 Optical Society of America

机译：基于光束的非线性谐振器和自直准确特性，设计了全光学光子晶体分束器和开关。所提出的装置包括输入波导和连接到不同环谐振器的三个输出波导。三个泵浦梁通过自同准记效应通过不同的谐振器，通过改变泵浦光的强度来实现八个输出状态。所提出的装置在1629.57nm的波长下工作，泵波长位于1240.00nm。 “开”和“关”状态之间的透射率对比度达到最大值为124.0，最小值为17.6。实现性能所需的最小泵浦光强度仅为0.162W / mu m（2），而最大值为约0.497w / mu m（2）。由于我们所提出的装置的尺寸小，并且在一定程度内对泵浦光束的入射位置和空间宽度的不敏感性，它具有很大的潜在应用价值。（c）2019年光学学会

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来源
《Applied optics》 |2019年第35期|共8页
作者
Liu Kaizhu; Fan Haoran; Feng Shuai; Guo Honglian; Li Chuanbo;
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Minzu Univ China Sch Sci Beijing 100081 Peoples R China;

Minzu Univ China Sch Sci Beijing 100081 Peoples R China;

Minzu Univ China Sch Sci Beijing 100081 Peoples R China;

Minzu Univ China Sch Sci Beijing 100081 Peoples R China;

Minzu Univ China Sch Sci Beijing 100081 Peoples R China;

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Three-output-channel photonic crystal splitter and switch based on nonlinear resonators and the self-collimation characteristics of a light beam

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