Single-Photon Transmission Characteristics in a Pair of Coupled-Resonator Waveguides Linked by a Nanocavity Containing a Quantum Emitter
CHENG Mu-Tian** , DING Meng-Ting, SONG Yan-Yan, LUO Ya-Qin
School of Electrical Engineering & Information, Anhui University of Technology, Maanshan 243002
Abstract ：Single-photon scattering in a pair of coupled-resonator arrays of waveguides linked by a nanocavity embedded with a two-level system is investigated theoretically. By using the discrete coordinates approach, we deduce the analytical expressions for the transmission and reflection amplitudes. The calculations reveal that the transport properties of the single photon can be controlled by adjusting the coupled strength between the nanocavity and the coupled-resonator array. Quantum switching and a 1/4 beam splitter for the band-edge photon based on this structure are also discussed.
收稿日期: 2013-02-06
出版日期: 2013-05-31
:
42.50.Ct
(Quantum description of interaction of light and matter; related experiments)
42.79.Gn
(Optical waveguides and couplers)
42.65.Wi
(Nonlinear waveguides)
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2013, Vol. 30 
