Abstract
The transport properties of a single photon scattered by a two-level system (TLS) in a T-bulge-shaped waveguide have been studied, which is made of two coupled-resonator waveguides (CRWs), an infinite CRW and a semi-infinite CRW with \(N-1\) FP cavities below the node. The spontaneous emission of the TLS directs single photons from one CRW to the other. The \(N-1\) FP cavities effect the extreme point’s value and location of the propagation coefficient and incident energy curve.
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Acknowledgements
We are thankful to Professor Zhou Lan for her useful discussion. This work is supported by the National Fundamental Research Program of China (the 973 Program) under Grant No. 2012CB922103 and the National Natural Science Foundation of China under Grants Nos. 11374095, 11422540, 11434011, 11575058.
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Liu, L., Lu, J. T-bulge-shaped quantum router. Quantum Inf Process 16, 29 (2017). https://doi.org/10.1007/s11128-016-1479-5
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DOI: https://doi.org/10.1007/s11128-016-1479-5