机译:在相干四能级原子介质中有或没有自发产生相干的吸收-放大响应
DepartmentofPhysics,HuazhongUniversityofScienceandTechnology,Wuhan430074,China;
DepartmentofPhysics,XiaoganNormalUniversity,Xiaogan432100,China;
InstituteofPhysicsandMathematics,theChineseAcademyofSciences,Wuhan430071,China;
探针吸收作用; 量子相干; 量子干涉; 量子光学; 吸收-放大响应;