National Key Research and Development Program of China(2016YFA0302001);National Natural Science Foundation of China(11974111,11874152,91536114,11574086,11974116,11654005);Shanghai Rising-Star Program(16QA1401600);Innovation Program of Shanghai Municipal Education Commission(202101070008E00099);Shanghai Talent Program;Chinese National Youth Talent Support Program;Fundamental Research Funds for the Central Universities。
Quantum non-demolition(QND) measurement is an important tool in the fields of quantum information processing and quantum optics. The atom-light hybrid interferometer is of great interest due to its combination of an a...
National Key Research and Development Program of China(2017YFA0303703,2019YFA0308704);National Natural Science Foundation of China(11664017,11590052,11574155,51490711,61973077,91436211,91836303);Fundamental Research Funds for the Central Universitics(No.020214380068);Natural Science Foundjarion of Shanghai(17ZR1442900);Nanjing Universiry Innovation and Creative Program for PhD candidatc(2016017);Basic Research Project of Shanghai Science and Technology Commission(20JC1416100).
Quantum stochastic phase estimation has many applications in the precise measurement of various physical parameters.Similar to the estimation of a constant phase,there is a standard quantum limit for stochastic phase ...
National Natural Science Foundation of China(NSFC)(11774286,11374238,11534008,11574247)
We investigate the sensitivity of the angular rotation measurement with the method of homodyne detection in SU(2) and SU(1,1) interferometers by employing orbital angular momentum(OAM). By combining a coherent beam wi...