Abstract
High-efficiency routing of photon signals between different quantum channels is of great importance for a quantum network. We investigate theoretically the quantum routing of single photons in a double-waveguide system with an infinite waveguide channel and a semi-infinite waveguide channel terminated by a perfect mirror. Numerical results show that high transfer-rate routing between two channels can be effectively performed in a wide frequency range, arising from the interferences among photons scattered by the boundary mirror and the qubits coupled to the waveguide system. This may suggest a potential scattering setup to effectively control the single-photon quantum routing.
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