Nonlinear optical switching matrix |
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| Authors: | Liu Gang Jun Liu Jun Liang Bin Ming Li Qu Jin Guo Liang |
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| Affiliation: | Department of Physics, Shanghai Jiao Tong University, Dongchuan Road 800, Minhang, Shanghai 200240, China. lgj@sjtu.edu |
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| Abstract: | We show that nonlinear directional couplers with variable coupling coefficients can be used to compose a special kind of switching matrix. The switching matrix can be controlled by the signal itself or by a strong pump. Light routing is realized by adjustment of the power of the signal or the pump. Because light routing is based on the optical Kerr effect, ultrafast routing is possible. |
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