[1] C. H. Bennett. Quantum cryptography: public key distribution and coin tossing. IEEE International Conference on Computers, Systems and Signal Processing, 175-179(1984).

[2] D. Bouwmeester, J.-W. Pan, K. Mattle, M. Eibl, H. Weinfurter, A. Zeilinger. Experimental quantum teleportation. Nature, 390, 575-579(1997).

[3] A. K. Ekert. Quantum cryptography based on Bell’s theorem. Phys. Rev. Lett., 67, 661-663(1991).

[4] H.-K. Lo, X. Ma, K. Chen. Decoy state quantum key distribution. Phys. Rev. Lett., 94, 230504(2005).

[5] H.-K. Lo, M. Curty, B. Qi. Measurement-device-independent quantum key distribution. Phys. Rev. Lett., 108, 130503(2012).

[6] T. Sasaki, Y. Yamamoto, M. Koashi. Practical quantum key distribution protocol without monitoring signal disturbance. Nature, 509, 475-478(2014).

[7] H.-L. Yin, T.-Y. Chen, Z.-W. Yu, H. Liu, L.-X. You, Y.-H. Zhou, S.-J. Chen, Y. Mao, M.-Q. Huang, W.-J. Zhang, H. Chen, M.-J. Li, D. Nolan, F. Zhou, X. Jiang, Z. Wang, Q. Zhang, X.-B. Wang, J.-W. Pan. Measurement-device-independent quantum key distribution over a 404  km optical fiber. Phys. Rev. Lett., 117, 190501(2016).

[8] M. Lucamarini, Z. Yuan, J. Dynes, A. Shields. Overcoming the rate-distance limit of quantum key distribution without quantum repeaters. Nature, 557, 400-403(2018).

[9] G. Ribordy, J. Brendel, J.-D. Gautier, N. Gisin, H. Zbinden. Long-distance entanglement-based quantum key distribution. Phys. Rev. A, 63, 012309(2000).

[10] W. Tittel, J. Brendel, H. Zbinden, N. Gisin. Quantum cryptography using entangled photons in energy-time Bell states. Phys. Rev. Lett., 84, 4737-4740(2000).

[11] T. Jennewein, C. Simon, G. Weihs, H. Weinfurter, A. Zeilinger. Quantum cryptography with entangled photons. Phys. Rev. Lett., 84, 4729-4732(2000).

[12] D. Naik, C. Peterson, A. White, A. Berglund, P. G. Kwiat. Entangled state quantum cryptography: eavesdropping on the Ekert protocol. Phys. Rev. Lett., 84, 4733-4736(2000).

[13] J. Dynes, H. Takesue, Z. Yuan, A. Sharpe, K. Harada, T. Honjo, H. Kamada, O. Tadanaga, Y. Nishida, M. Asobe, A. J. Shields. Efficient entanglement distribution over 200 kilometers. Opt. Express, 17, 11440-11449(2009).

[14] K. Azuma, K. Tamaki, W. J. Munro. All-photonic intercity quantum key distribution. Nat. Commun., 6, 10171(2015).

[15] Q.-C. Sun, Y.-L. Mao, S.-J. Chen, W. Zhang, Y.-F. Jiang, Y.-B. Zhang, W.-J. Zhang, S. Miki, T. Yamashita, H. Terai, X. Jiang, T.-Y. Chen, L.-X. You, X.-F. Chen, Z. Wang, J.-Y. Fan, Q. Zhang, J.-W. Pan. Quantum teleportation with independent sources and prior entanglement distribution over a network. Nat. Photonics, 10, 671-675(2016).

[16] D. Bunandar, A. Lentine, C. Lee, H. Cai, C. M. Long, N. Boynton, N. Martinez, C. DeRose, C. Chen, M. Grein, D. Trotter, A. Starbuck, A. Pomerene, S. Hamilton, F. N. C. Wong, R. Camacho, P. Davids, J. Urayama, D. Englund. Metropolitan quantum key distribution with silicon photonics. Phys. Rev. X, 8, 021009(2018).

[17] M. Aspelmeyer, H. R. Böhm, T. Gyatso, T. Jennewein, R. Kaltenbaek, M. Lindenthal, G. Molina-Terriza, A. Poppe, K. Resch, M. Taraba, R. Ursin, P. Walther, A. Zeilinger. Long-distance free-space distribution of quantum entanglement. Science, 301, 621-623(2003).

[18] L.-M. Duan, M. Lukin, J. I. Cirac, P. Zoller. Long-distance quantum communication with atomic ensembles and linear optics. Nature, 414, 413-418(2001).

[19] X.-M. Jin, J.-G. Ren, B. Yang, Z.-H. Yi, F. Zhou, X.-F. Xu, S.-K. Wang, D. Yang, Y.-F. Hu, S. Jiang, T. Yang, H. Yin, K. Chen, C.-Z. Peng, J.-W. Pan. Experimental free-space quantum teleportation. Nat. Photonics, 4, 376-381(2010).

[20] J.-G. Ren, P. Xu, H.-L. Yong, L. Zhang, S.-K. Liao, J. Yin, W.-Y. Liu, W.-Q. Cai, M. Yang, L. Li, K.-X. Yang, X. Han, Y.-Q. Yao, J. Li, H.-Y. Wu, S. Wan, L. Liu, D.-Q. Liu, Y.-W. Kuang, Z.-P. He, P. Shang, C. Guo, R.-H. Zheng, K. Tian, Z.-C. Zhu, N.-L. Liu, C.-Y. Lu, R. Shu, Y.-A. Chen, C.-Z. Peng, J.-Y. Wang, J.-W. Pan. Ground-to-satellite quantum teleportation. Nature, 549, 70-73(2017).

[21] J. Yin, Y. Cao, Y.-H. Li, S.-K. Liao, L. Zhang, J.-G. Ren, W.-Q. Cai, W.-Y. Liu, B. Li, H. Dai, G.-B. Li, Q.-M. Lu, Y.-H. Gong, Y. Xu, S.-L. Li, F.-Z. Li, Y.-Y. Yin, Z.-Q. Jiang, M. Li, J.-J. Jia, G. Ren, D. He, Y.-L. Zhou, X.-X. Zhang, N. Wang, X. Chang, Z.-C. Zhu, N.-L. Liu, Y.-A. Chen, C.-Y. Lu, R. Shu, C.-Z. Peng, J.-Y. Wang, J.-W. Pan. Satellite-based entanglement distribution over 1200 kilometers. Science, 356, 1140-1144(2017).

[22] W.-Y. Hwang. Quantum key distribution with high loss: toward global secure communication. Phys. Rev. Lett., 91, 057901(2003).

[23] X.-B. Wang, T. Hiroshima, A. Tomita, M. Hayashi. Quantum information with Gaussian states. Phys. Rep., 448, 1-111(2007).

[24] B. Huttner, N. Imoto, N. Gisin, T. Mor. Quantum cryptography with coherent states. Phys. Rev. A, 51, 1863-1869(1995).

[25] G. Brassard, N. Lütkenhaus, T. Mor, B. C. Sanders. Limitations on practical quantum cryptography. Phys. Rev. Lett., 85, 1330-1333(2000).

[26] P. Shi, S.-C. Zhao, W.-D. Li, Y.-J. Gu. Feasibility of underwater free space quantum key distribution(2014).

[27] L. Ji, J. Gao, A.-L. Yang, Z. Feng, X.-F. Lin, Z.-G. Li, X.-M. Jin. Towards quantum communications in free-space seawater. Opt. Express, 25, 19795-19806(2017).

[28] F. Bouchard, A. Sit, F. Hufnagel, A. Abbas, Y. Zhang, K. Heshami, R. Fickler, C. Marquardt, G. Leuchs, R. W. Boyd, E. Karimi. Underwater quantum key distribution in outdoor conditions with twisted photons(2018).

[29] B. Wozniak, J. Dera. Light Absorption in Sea Water, 33(2007).

[30] B. M. Cochenour, L. J. Mullen, A. E. Laux. Characterization of the beam-spread function for underwater wireless optical communications links. IEEE J. Ocean. Eng., 33, 513-521(2008).

[31] D. F. V. James, P. G. Kwiat, W. J. Munro, A. G. White. Measurement of qubits. Phys. Rev. A, 64, 052312(2001).

[32] M. A. Nielsen, I. L. Chuang. Quantum Computation and Quantum Information(2010).

[33] J. R. Johansson, P. D. Nation, F. Nori. Qutip: an open-source python framework for the dynamics of open quantum systems. Comput. Phys. Commun., 183, 1760-1772(2012).

[34] N. G. Jerlov. Marine Optics, 14(1976).