A scheme for two-photon lasing with two coupled flux qubits in circuit quantum electrodynamics

作     者：黄文 邹旭波 郭光灿 

作者机构：Key Laboratory of Quantum InformationUniversity of Science and Technology of China Synergetic Innovation Center of Quantum Information and Quantum PhysicsUniversity of Science and Technology of China 

出 版 物：《Chinese Physics B》 (中国物理B（英文版）)

年 卷 期：2015年第24卷第6期

页      面：353-359页

核心收录：

学科分类：080805[工学-电工理论与新技术] 080904[工学-电磁场与微波技术] 0808[工学-电气工程] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 

基　　金：Project supported by the National Fundamental Research Program of China(Grant No.2011cba00200) the National Natural Science Foundation of China(Grant No.11274295) the Doctor Foundation of Education Ministry of China(Grant No.20113402110059) 

主　　题：circuit quantum electrodynamics two-photon laser superconducting Josephson junction 

摘      要：We theoretically study the system of a superconducting transmission line resonator coupled to two interacting super- conducting flux qubits. It is shown that under certain conditions the resonator mode can be tuned to two-photon resonance between the ground state and the highest excited state while the middle excited states are far-off resonance. Furthermore, we study the steady-state properties of the flux qubits and resonator, such as the photon statistics, the spectrum and squeezing of the resonator, and demonstrate that two-photon laser can be implemented with current experimental technology.