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...
Project supported partly by PhD Progress Foundation of Higher Education Institutions of China (Grant No 20040126003) and the Natural Science Foundation of Inner Mongol of China (Grant No 200408020101).
In this paper the bulk exciton polaritons in ternary mixed crystals (TMCs) are investigated in the Born-Huang approximation. The numerical results of the polariton frequencies as functions of the wave-vector and the...