Author:
Tan Jinlei,Xu Xunwei,Lu Jing,Zhou Lan
Abstract
We study the coherent transport of one or two photons in a one-dimensional waveguide chirally coupled to a nonlinear resonator. Analytic solutions of the one-photon and two-photon scattering is derived. Although the resonator acts as a non-reciprocal phase shifter, light transmission is reciprocal at one-photon level. However, the forward and reverse transmitted probabilities for two photons incident from either the left side or the right side of the nonlinear resonator are nonreciprocal due to the energy redistribution of the two-photon bound state. Hence, the nonlinear resonator acts as an optical diode at two-photon level.
Funder
National Natural Science Foundation of China
Natural Science Foundation of Hunan Province
Science and Technology Program of Hunan Province
Subject
Atomic and Molecular Physics, and Optics
Cited by
3 articles.
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