[1] SAFFMAN M, WALKER T G, M?LMER K. Quantum information with Rydberg atoms[J]. Rev Mod Phys, 2010（82）: 2313-2363.
[2] ADAMS CS, PRITCHARD JD, SHAFFER JP. Rydberg atom quantum technologies[J]. J Phys B: At Mol Opt Phys, 2020（53）: 012002.
[3] BROWAEYS A, LAHAYE T. Many-body physics with individually controlled Rydberg atoms[J]. Nature Phys, 2020（16）: 132-142.
[4] ZASEDATELEV AV, BARANIKOV AV, SANNIKOV D, et al. Single-photon nonlinearity at room temperature[J]. Nature, 2021（597）: 493-497.
[5] MORENO-CARDONER M, GONCALVES D, CHANG D E. Quantum nonlinear optics based on two-dimensional Rydberg atom arrays[J]. Phys Rev Lett, 2021（127）: 263602.
[6] FERREIRA-CAO M, GAVRYUSEV V, FRANZ T, et al. Depletion imaging of Rydberg atoms in cold atomic gases[J]. J Phys B: At Mol Opt Phys, 2020（53）: 084004.
[7] GROSS C, VOGT T, LI W. Ion imaging via long-range interaction with Rydberg atoms[J]. Phys Rev Lett, 2020（124）: 053401.
[8] TONG D, FAROOQI S M, STANOJEVIC J, et al. Local blockade of Rydberg excitation in an ultracold gas[J]. Phys Rev Lett, 2004（93）: 063001.
[9] THOUMANY P, H?nsch T, STANIA G, et al. Optical spectroscopy of rubidium Rydberg atoms with a 297 nm frequency-doubled dye laser[J]. Opt Lett, 2009（34）: 1621-1623.
[10] ARIAS A, LOCHEAD G, WINTERMANTEL T M, et al. Realization of a Rydberg-dressed ramsey interferometer and electrometer[J], Phys Rev Lett, 2019（122）: 053601.
[11] VASILYEV S, NEVSKY A, ERNSTING I, et al. Compact all-solid-state continuous-wave single-frequency UV source with frequency stabilization for laser cooling of Be+ ions[J]. Appl Phys B, 2011（103）: 27-33.
[12] RENGELINK R J, NOTERMANS R P M J W, VASSEN W, et al. A simple 2 W continuous-wave laser system for trapping ultracold metastable helium atoms at the 319.8 nm magic wavelength[J]. Appl Phys B, 2016（122）: 122.
[13] WILSON A C，OSPELKAUS C，VANDEVENDER A P， et al. A 750 mW，continuous-wave，solid-state laser source at 313 nm for cooling and manipulating trapped 9Be+ ions[J]. Appl Phys B, 2011（105）: 741-748.
[14] HANKIN A M, JAU Y Y, PARAZZOLI L P, et al. Two-atom Rydberg blockade using direct 6S to nP excitation[J]. Phys Rev A, 2014（89）: 033416.
[15] LI B, LI M, JIANG X, et al. Optical spectroscopy of nP Rydberg states of 87Rb atoms with a 297 nm ultraviolet laser[J]. Phys Rev A, 2019（99）: 042502.
[16] WANG J Y，BAI J D，HE J，et al. Realization and characterization of single-frequency tunable 637.2 nm high-power laser[J]. Opt Commun, 2016（370）: 150-155.
[18] WANG J Y, BAI J D，HE J，et al. Development and characterization of a 2.2 W narrow-linewidth 318.6 nm ultraviolet laser[J]. J Opt Soc Am B, 2016（33）: 2020-2025.
[20] BAI J D, LIU S, WANG J Y, et al. Single-photon Rydberg excitation and trap-loss spectroscopy of cold cesium atoms in a magneto-optical trap by using of a 319 nm ultraviolet laser system[J]. IEEE J Sel Top Quant Electr, 2020（26）: 1600106.
