[1] Lo H K, Chau H F. Unconditional security of quantum key distribution over arbitrarily long distances [J]. Science, 1999, 283(5410): 2050-2056.

[2] Shor P W, Preskill J. Simple proof of security of the BB84 quantum key distribution protocol [J]. Physical Review Letters, 2000, 85(2): 441-444.

[3] Wang X B. Three-intensity decoy-state method for device-independent quantum key distribution with basis-dependent errors [J]. Physical Review A, 2013, 87(1): 012320.

[7] Mao Q P, Wang L, Zhao S M. Plug-and-play round-robin differential phase-shift quantum key distribution [J]. Scientific Reports, 2017, 7(1): 15435.

[8] Wang X B, Peng C Z, Zhang J, et al. General theory of decoy-state quantum cryptography with source errors [J]. Physical Review A, 2008, 77(4): 042311.

[9] Ding Y Y, Chen H, Wang S, et al. Polarization variations in installed fibers and their influence on quantum key distribution systems [J]. Optics Express, 2017, 25(22): 27923-27936.

[10] Wang S, Chen W, Yin Z Q, et al. Practical gigahertz quantum key distribution robust against channel disturbance [J]. Optics Letters, 2018, 43(9): 2030-2033.

[11] Qian Y J, He D Y, Wang S, et al. Hacking the quantum key distribution system by exploiting the avalanche-transition region of single-photon detectors [J]. Physical Review Applied, 2018, 10(6): 064062.

[12] Qian Y J, He D Y, Wang S, et al. Robust countermeasure against detector control attack in a practical quantum key distribution system [J]. Optica, 2019, (9): 1178-1184.

[13] Wang S, Yin Z Q, Chen W, et al. Experimental demonstration of a quantum key distribution without signal disturbance monitoring [J]. Nature Photonics, 2015, 9(12): 832-836.

[14] Wang S, He D Y, Yin Z Q, et al. Beating the fundamental rate-distance limit in a proof-of-principle quantum key distribution system [J]. Physical Review X, 2019, 9(2): 021046.

[15] Takesue H, Sasaki T, Tamaki K, et al. Experimental quantum key distribution without monitoring signal disturbance [J]. Nature Photonics, 2015, 9(12): 827-831.

[16] Zhang Z, Yuan X, Cao Z, et al. Practical round-robin differential-phase-shift quantum key distribution [J]. New Journal of Physics, 2017, 19(3): 033013.

[17] Yin H L, Fu Y, Mao Y, et al. Detector-decoy quantum key distribution without monitoring signal disturbance [J]. Physical Review A, 2016, 93(2): 022330.

[18] Agarwal G S. Generation of pair coherent states and squeezing via the competition of four-wave mixing and amplified spontaneous emission [J]. Physical Review Letters, 1986, 57(7): 827-830.

[19] Wang L, Zhao S. Round-robin differential-phase-shift quantum key distribution with heralded pair-coherent sources [J]. Quantum Information Processing, 2017, 1(4): 100.

[20] Zhang S L, Zou X B, Li C F, et al. A universal coherent source quantum key distribution [J]. Chinese Science Bulletin, 2009, 54(11): 1863-1871.