Quantum nonreciprocity based on electromagnetically induced transparency in chiral quantum-optical systems
Yu You, Yiqi Hu, Gongwei Lin, Yihong Qi, Yueping Niu, Shangqing Gong
Abstract
On-chip single-photon nonreciprocal devices with high isolation and low insertion loss become a key element in quantum information processing. Based on electromagnetically induced transparency in chiral quantum systems, a single-photon isolator and a single-photon circulator are obtained without requiring unbalanced coupling. These devices have high isolation and low insertion loss. Moreover, their bandwidths are significantly broadened with the assistance of electromagnetically induced transparency.
Topics & Concepts
Electromagnetically induced transparencyCirculatorIsolatorOptical isolatorPhotonPhysicsOptoelectronicsElectromagnetically induced gratingQuantumQuantum opticsOptical transparencyInsertion lossMaterials scienceOpticsQuantum mechanicsLaserElectronic engineeringWavelengthEngineeringDiffraction gratingHolographic gratingMagneto-Optical Properties and ApplicationsQuantum optics and atomic interactionsMechanical and Optical Resonators