On-chip optical nonreciprocal devices are vital components for integrated photonic systems and scalable quantum information processing.Nonlinear optical isolators and circulators have attracted considerable attention ...On-chip optical nonreciprocal devices are vital components for integrated photonic systems and scalable quantum information processing.Nonlinear optical isolators and circulators have attracted considerable attention because of their fundamental interest and their important advantages in integrated photonic circuits.However,optical nonreciprocal devices based on Kerr or Kerr-like nonlinearity are subject to dynamical reciprocity when the forward and backward signals coexist simultaneously in a nonlinear system.Here,we theoretically propose a method for realizing on-chip nonlinear isolators and circulators with dynamic nonreciprocity.Dynamic nonreciprocity is achieved via the chiral modulation on the resonance frequency due to coexisting self-and cross-Kerr nonlinearities in an optical ring resonator.This work showing dynamic nonreciprocity with a Kerr nonlinear resonator can be an essential step toward integrated optical isolation.展开更多
基金supported by the National Key R&D Program of China(Grant Nos.2017YFA0303703 and 2019YFA0308700)the National Natural Science Foundation of China(Grant Nos.11874212,11890704,and 11690031)+7 种基金the Fundamental Research Funds for the Central Universities(Grant No.021314380095)the Program for Innovative Talents and Entrepreneurs in Jiangsuthe Excellent Research Program of Nanjing University(Grant No.ZYJH002)supported in part by Nippon Telegraph and Telephone Corporation(NTT)Research,the Japan Science and Technology Agency(JST)(via the Quantum Leap Flagship Program(Q-LEAP),and the Moonshot R&D under Grant No.JPMJMS2061)the Japan Society for the Promotion of Science(JSPS)(via the Grants-in-Aid for Scientific Research(KAKENHI)Grant No.JP20H00134)the Army Research Office(ARO)(Grant No.W911NF-181-0358)the Asian Office of Aerospace Research and Development(AOARD)(Grant No.FA2386-20-1-4069)the Foundational Questions Institute Fund(FQXi)(Grant No.FQXi-IAF19-06)。
文摘On-chip optical nonreciprocal devices are vital components for integrated photonic systems and scalable quantum information processing.Nonlinear optical isolators and circulators have attracted considerable attention because of their fundamental interest and their important advantages in integrated photonic circuits.However,optical nonreciprocal devices based on Kerr or Kerr-like nonlinearity are subject to dynamical reciprocity when the forward and backward signals coexist simultaneously in a nonlinear system.Here,we theoretically propose a method for realizing on-chip nonlinear isolators and circulators with dynamic nonreciprocity.Dynamic nonreciprocity is achieved via the chiral modulation on the resonance frequency due to coexisting self-and cross-Kerr nonlinearities in an optical ring resonator.This work showing dynamic nonreciprocity with a Kerr nonlinear resonator can be an essential step toward integrated optical isolation.
