20 November 2012 Photonic crystal one-way delay waveguide
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In the paper, we have proposed a structure with only one photonic crystal (PC) micro-cavity side-coupled to a PC one-way waveguide to generate strong on-resonance optical delay. According to the coupled mode theory (CMT), the resonator system can maintain a 100% transmission spectrum throughout the complete resonant bandwidth, which is also demonstrated by the numerical results calculated by the finite element method (FEM). As a temporal Gaussian pulse is launched, the simulation results show that the device introduces a strong pulse delay while maintaining total transmission efficiency within the resonant bandwidth, and the resonator structure may be of great significance for making delay lines in optical buffer applications.
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Hongliang Ren, Hongliang Ren, Jin Lu, Jin Lu, Hao Wen, Hao Wen, Quanjun Cao, Quanjun Cao, Jia Li, Jia Li, Yali Qin, Yali Qin, Shuqin Guo, Shuqin Guo, Weisheng Hu, Weisheng Hu, Chun Jiang, Chun Jiang, } "Photonic crystal one-way delay waveguide", Proc. SPIE 8564, Nanophotonics and Micro/Nano Optics, 856422 (20 November 2012); doi: 10.1117/12.999391; https://doi.org/10.1117/12.999391

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