13 November 2001 SOI X-crossing optical switch
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In this paper, we design a novel 2x2 silicon-on-insulator (SOI) waveguide optical switch with X-crossing structure. With free- carrier plasma dispersion effect, we can construct such a device with X-crossing multimode interference region. Applying the X- crossing configuration, the input and output waveguides can be easily laterally separated for direct coupling to fiber without S-bending structure. We use a BPM simulation tool to simulate the output mode patterns and light propagations.
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Shyh-Lin Tsao, Shyh-Lin Tsao, Huang-Chen Guo, Huang-Chen Guo, Yi-Jr Chen, Yi-Jr Chen, } "SOI X-crossing optical switch", Proc. SPIE 4458, Solar and Switching Materials, (13 November 2001); doi: 10.1117/12.448257; https://doi.org/10.1117/12.448257

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