supported by the Ministry of Science and Technology of China(Grant No.2021YFA1401100);the National Natural Science Foundation of China(Grant Nos.12174112,61925506,12374297,and 62305078);the Natural Science Foundation of Shanghai(Grant Nos.23ZR1419800 and 20JC1414605);Chongqing and Zhejiang Province(Nos.2023NSCQ-MSX1489 and TD2020002).
The collective response of macroscopic quantum states under perturbation is widely used to study quantum correlations and cooperative properties,such as defect-induced quantum vortices in Bose–Einstein condensates an...
the National Natural Science Foundation of China(No.12020101003);the State Key Laboratory of Low-Dimensional Quantum Physics for the strong support;Tsinghua University for the start-up grant;the support from the Singapore Ministry of Education via the AcRF Tier 3 Programme“Geometrical Quantum Materials”(No.MOE2018-T3-1-002);AcRF Tier 2(Nos.MOE2018-T2-2-068 and MOE2019-T2-1-004).
Optical parametric oscillators(OPOs)have been widely applied in spectroscopy,squeezed light,and correlated photons,as well as quantum information.Conventional OPOs usually suffer from a high power threshold limited by...