[1] [1] VAHLBRUCH H, MEHMET M, CHELKOWSKI S, et al. Observation of squeezed light with 10-dB quantum noise Reduction[J]. Phys Rev Lett, 2008, 100:033602. DOI: 10.1103/PhysRevLett.100.033602.

[2] [2] OKUBO R, HIRANO M, ZHANG Y, HIRANO T. Pulse-resolved measurement of quadrature phase amplitudes of squeezed pulse trains at a repetition rate of 76 MHz[J]. Opt Lett, 2008, 33(13):1458-1460. DOI: 10.1364/OL.33.001458.

[3] [3] SHI S P, WANG Y J, YANG W H, et al. Detection and perfect fitting of 13.2 dB squeezed vacuum states by considering green-light-induced infrared absorption[J]. Opt Lett, 2018, 43:5411-5414. DOI: 10.1364/OL.43.005411.

[4] [4] TAKEDA S, FUWA M, LOOCK P V, FURUSAWA A. Entanglement swapping between discrete and continuous variables[J]. Phys Rev Lett, 2015, 114(10):100501. DOI: 10.1103/PhysRevLett.114.100501.

[5] [5] MASADA G, MIYATA K, POLITI A, et al. Continuous-variable entanglement on a chip[J]. Nature Photon, 2015, 9:316-319. DOI: 10.1038/nphoton.2015.42.

[6] [6] MORIN O, D’AURIA V, FABRE C, LAURAT J. High-fidelity single-photon source based on a Type II optical parametric oscillator[J]. Opt Lett, 2012, 37(17):3738-3740. DOI: 10.1364/OL.37.003738.

[7] [7] AHMED S, MUNOZ C S, NORI F, KOCKUM A F. Quantum state tomography with conditional generative adversarial networks[J]. Phys Rev Lett, 2021, 127:140502. DOI: 10.1103/PhysRevLett.127.140502.

[8] [8] SHEN Y, ZOU H X, TIAN L, et al. Experimental study on discretely modulated continuous-variable quantum key distribution[J]. Phys Rev A, 2010, 82:022317. DOI: 10.1103/PhysRevA.82.022317.

[9] [9] CHI Y M, QI B, ZHU W, et al. A balanced homodyne detector for high-rate Gaussian-modulated coherent-state quantum key distribution[J]. New J Phys, 2011, 13:013003. DOI: 10.1088/1367-2630/13/1/013003.

[10] [10] HUANG D, LIN D K, WANG C, et al. Continuous-variable quantum key distribution with 1 Mbps secure key rate[J]. Opt Express, 2015, 23(13):17511. DOI: 10.1364/OE.23.017511.

[11] [11] REN S J, YANG S, WONFOR A, et al. Demonstration of high-speed and low-complexity continuous variable quantum key distribution system with local local oscillator[J]. Scientific Reports, 2021, 11:9454. DOI: 10.1038/s41598-021-88468-1.

[12] [12] CERVANTES F G, LIVAS J, SILVERBERG R, et al. Characterization of photoreceivers for LISA[J]. Class Quantum Grav, 2011, 28(9):094010. DOI: 10.1088/0264-9381/28/9/094010.

[13] [13] FRITSCHEL P, EVANS M, FROLOV V. Balanced homodyne readout for quantum limited gravitational wave detectors[J]. Opt Express, 2014, 22(4):4224-4234. DOI: 10.1364/OE.22.004224.

[14] [14] ZHOU H J, YANG W H, LI Z X, et al. A bootstrapped, low-noise and high-gain photodetector for shot noise measurement[J]. Rev Sci Instrum, 2014, 85(1):013111. DOI: 10.1063/1.4862295.

[16] [16] WANG S F, XIANG X, ZHOU C H, et al. Simulation of high SNR photodetector withL-C coupling and transimpedance amplifiercircuit and its verification[J]. Rev Sci Instrum, 2017, 88:013107. DOI: 10.1063/1.4973853.

[17] [17] JIN X L, SU J, ZHENG Y H, et al. Balanced homodyne detection with high common mode rejection ratio based on parameter compensation of two arbitrary photodiodes[J]. Opt Express, 2015, 23:23859-23866. DOI: 10.1364/OE.23.023859.

[19] [19] QIN J L, YAN Z H, HUO M R, et al. Design of low-noise photodetector with a bandwidth of 130 MHz based on transimpedance amplification circuit[J]. Chin Opt Lett, 2016, 14:122701. DOI: 10.3788/COL201614.122701.

[20] [20] KUMAR R, BARRIOS E, MACRAE A, et al. Versatile wideband balanced detector for quantum optical homodyne tomography[J]. Opt Commun, 2012, 285:5259-5267. DOI: 10.1016/j.optcom.2012.07.103.

[21] [21] MASALOV A V, KUZHAMURATOV A, LVOVSKY A I. Noise spectra in balanced optical detectors based on transimpedance amplifiers[J]. Rev Sci Instrum, 2017, 88:113109. DOI: 10.1063/1.5004561.

[24] [24] WANG J R, WANG Q W, TIAN L, et al. A low-noise, high-SNR balanced homodyne detector for the bright squeezed state measurement in 1～100kHz range[J]. Chin Phys B, 2020, 29(3):034205. DOI: 10.1088/1674-1056/ab683b.