[1] N Gisin, R Thew. Quantum communication. Nat Photonics, 1, 165(2007).
[2] W K Wootters, W H Zurek. A single quantum cannot be cloned. Nature, 299, 802(1982).
[3] C H Bennett, G Brassard. Quantum cryptography: Public key distribution and coin tossing. Theor Comput Sci, 560, 7(2014).
[4] P W Shor, J Preskill. Simple proof of security of the BB84 quantum key distribution protocol. Phys Rev Lett, 85, 441(2000).
[5] . Quantum cryptography based on Bell's theorem. Phys Rev Lett, 67, 661(1991).
[6] M Curty, M Lewenstein, N Lütkenhaus. Entanglement as a precondition for secure quantum key distribution. Phys Rev Lett, 92, 217903(2004).
[7] S K Liao, W Q Cai, W Y Liu et al. Satellite-to-ground quantum key distribution. Nature, 549, 43(2017).
[8] C H Bennett, F Bessette, G Brassard et al. Experimental quantum cryptography. J Cryptol, 5, 3(1992).
[9] Y A Chen, Q Zhang, T Y Chen et al. An integrated space-to-ground quantum communication network over 4, 600 kilometres. Nature, 589, 214(2021).
[10] T Honjo, K Inoue, H Takahashi. Differential-phase-shift quantum key distribution experiment with a planar light-wave circuit Mach-Zehnder interferometer. Opt Lett, 29, 2797(2004).
[11] P Sibson, J E Kennard, S Stanisic et al. Integrated silicon photonics for high-speed quantum key distribution. Optica, 4, 172(2017).
[12] C X Ma, W D Sacher, Z Y Tang et al. Silicon photonic transmitter for polarization-encoded quantum key distribution. Optica, 3, 1274(2016).
[13] D Bunandar, A Lentine, C Lee et al. Metropolitan quantum key distribution with silicon photonics. Phys Rev X, 8, 021009(2018).
[14] M Avesani, L Calderaro, M Schiavon et al. Full daylight quantum-key-distribution at 1550 nm enabled by integrated silicon photonics. npj Quantum Inf, 7, 93(2021).
[15] A Orieux, E Diamanti. Recent advances on integrated quantum communications. J Opt, 18, 083002(2016).
[16] P Sibson, C Erven, M Godfrey et al. Chip-based quantum key distribution. Nat Commun, 8, 1(2017).
[17] L Lydersen, C Wiechers, C Wittmann et al. Hacking commercial quantum cryptography systems by tailored bright illumination. Nat Photonics, 4, 686(2010).
[18] Y Zhao, C H F Fung, B Qi et al. Quantum hacking: Experimental demonstration of time-shift attack against practical quantum-key-distribution systems. Phys Rev A, 78, 042333(2008).
[19] V Makarov, A Anisimov, J Skaar. Effects of detector efficiency mismatch on security of quantum cryptosystems. Phys Rev A, 74, 022313(2006).
[20] H K Lo, M Curty, B Qi. Measurement-device-independent quantum key distribution. Phys Rev Lett, 108, 130503(2012).
[21] C K Hong, Z Y Ou, L Mandel. Measurement of subpicosecond time intervals between two photons by interference. Phys Rev Lett, 59, 2044(1987).
[22] C Agnesi, B da Lio, D Cozzolino et al. Hong–Ou–Mandel interference between independent III–V on silicon waveguide integrated lasers. Opt Lett, 44, 271(2019).
[23] J G Rarity, P R Tapster, R Loudon. Non-classical interference between independent sources. J Opt B, 7, S171(2005).
[24] K J Wei, W Li, H Tan et al. High-speed measurement-device-independent quantum key distribution with integrated silicon photonics. Phys Rev X, 10, 031030(2020).
[25] H Semenenko, P Sibson, M G Thompson et al. Interference between independent photonic integrated devices for quantum key distribution. Opt Lett, 44, 275(2019).
[26] H Semenenko, P Sibson, A Hart et al. Chip-based measurement-device-independent quantum key distribution. Optica, 7, 238(2020).
[27] S Wehner, D Elkouss, R Hanson. Quantum Internet: A vision for the road ahead. Science, 362, eaam9288(2018).
[28] J F Clauser, M A Horne, A Shimony et al. Proposed experiment to test local hidden-variable theories. Phys Rev Lett, 23, 880(1969).
[29] A Acín, S Massar, S Pironio. Efficient quantum key distribution secure against no-signalling eavesdroppers. New J Phys, 8, 126(2006).
[30] A Acín, N Brunner, N Gisin et al. Device-independent security of quantum cryptography against collective attacks. Phys Rev Lett, 98, 230501(2007).
[31] M McKague. Device independent quantum key distribution secure against coherent attacks with memoryless measurement devices. New J Phys, 11, 103037(2009).
[32] U Vazirani, T Vidick. Fully device-independent quantum key distribution. Phys Rev Lett, 113, 140501(2014).
[33] J Yin, Y Cao, Y H Li et al. Satellite-based entanglement distribution over 1200 kilometers. Science, 356, 1140(2017).
[34] J Liu, R B Su, Y M Wei et al. A solid-state source of strongly entangled photon pairs with high brightness and indistinguishability. Nat Nanotechnol, 14, 586(2019).
[35] J Zhao, C X Ma, M Rüsing et al. High quality entangled photon pair generation in periodically poled thin-film lithium niobate waveguides. Phys Rev Lett, 124, 163603(2020).
[36] J C Duan, J N Zhang, Y J Zhu et al. Generation of narrowband counterpropagating polarization-entangled photon pairs based on thin-film lithium niobate on insulator. J Opt Soc Am B, 37, 2139(2020).
[37] C Autebert, N Bruno, A Martin et al. Integrated AlGaAs source of highly indistinguishable and energy-time entangled photons. Optica, 3, 143(2016).
[38] J W Wang, S Paesani, Y H Ding et al. Multidimensional quantum entanglement with large-scale integrated optics. Science, 360, 285(2018).
[39] G Corrielli, A Crespi, R Geremia et al. Rotated waveplates in integrated waveguide optics. Nat Commun, 5, 4249(2014).
[40] X Zhang, B A Bell, A Mahendra et al. Integrated silicon nitride time-bin entanglement circuits. Opt Lett, 43, 3469(2018).
[41] C L Li, D J Liu, D X Dai. Multimode silicon photonics. Nanophotonics, 8, 227(2018).
[42] L T Feng, M Zhang, X Xiong et al. On-chip transverse-mode entangled photon pair source. npj Quantum Inf, 5, 2(2019).
[43] J W Silverstone, D Bonneau, K Ohira et al. On-chip quantum interference between silicon photon-pair sources. Nat Photonics, 8, 104(2014).
[44] J W Silverstone, R Santagati, D Bonneau et al. Qubit entanglement between ring-resonator photon-pair sources on a silicon chip. Nat Commun, 6, 7948(2015).
[45] D Grassani, S Azzini, M Liscidini et al. Micrometer-scale integrated silicon source of time-energy entangled photons. Optica, 2, 88(2015).
[46] F Mazeas, M Traetta, M Bentivegna et al. High-quality photonic entanglement for wavelength-multiplexed quantum communication based on a silicon chip. Opt Express, 24, 28731(2016).
[47] S Paesani, M Borghi, S Signorini et al. Near-ideal spontaneous photon sources in silicon quantum photonics. Nat Commun, 11, 2505(2020).
[48] J Suo, S Dong, W Zhang et al. Generation of hyper-entanglement on polarization and energy-time based on a silicon micro-ring cavity. Opt Express, 23, 3985(2015).
[49] F X Wang, W Q Wang, R Niu et al. Quantum key distribution with on-chip dissipative kerr soliton. Laser Photonics Rev, 14, 1900190(2020).
[50] J W Wang, F Sciarrino, A Laing et al. Integrated photonic quantum technologies. Nat Photonics, 14, 273(2020).
[51] J W Wang, D Bonneau, M Villa et al. Chip-to-chip quantum photonic interconnect by path-polarization interconversion. Optica, 3, 407(2016).
[52] J G Ren, P Xu, H L Yong et al. Ground-to-satellite quantum teleportation. Nature, 549, 70(2017).
[53] D Gottesman, I L Chuang. Demonstrating the viability of universal quantum computation using teleportation and single-qubit operations. Nature, 402, 390(1999).
[54] B J Metcalf, J B Spring, P C Humphreys et al. Quantum teleportation on a photonic chip. Nat Photonics, 8, 770(2014).
[55] X Y Lu, Q Li, D A Westly et al. Chip-integrated visible–telecom entangled photon pair source for quantum communication. Nat Phys, 15, 373(2019).
[56] M V G Dutt, L Childress, L Jiang et al. Quantum register based on individual electronic and nuclear spin qubits in diamond. Science, 316, 1312(2007).
[57] T Gaebel, M Domhan, I Popa et al. Room-temperature coherent coupling of single spins in diamond. Nat Phys, 2, 408(2006).
[58] R Hanson, F M Mendoza, R J Epstein et al. Polarization and readout of coupled single spins in diamond. Phys Rev Lett, 97, 087601(2006).
[59] R J Epstein, F M Mendoza, Y K Kato et al. Anisotropic interactions of a single spin and dark-spin spectroscopy in diamond. Nat Phys, 1, 94(2005).
[60] P C Maurer, G Kucsko, C Latta et al. Room-temperature quantum bit memory exceeding one second. Science, 336, 1283(2012).
[61] E Togan, Y Chu, A S Trifonov et al. Quantum entanglement between an optical photon and a solid-state spin qubit. Nature, 466, 730(2010).
[62] Y He, Y M He, Y J Wei et al. Quantum state transfer from a single photon to a distant quantum-dot electron spin. Phys Rev Lett, 119, 060501(2017).
[63] F Rozpędek, R Yehia, K Goodenough et al. Near-term quantum-repeater experiments with nitrogen-vacancy centers: Overcoming the limitations of direct transmission. Phys Rev A, 99, 052330(2019).
[64] P Lodahl, S Mahmoodian, S Stobbe. Interfacing single photons and single quantum dots with photonic nanostructures. Rev Mod Phys, 87, 347(2015).
[65] C W Thiel, T Böttger, R L Cone. Rare-earth-doped materials for applications in quantum information storage and signal processing. J Lumin, 131, 353(2011).
[66] B Lauritzen, J Minář, Riedmatten H de et al. Approaches for a quantum memory at telecommunication wavelengths. Phys Rev A, 83, 012318(2011).
[67] M Afzelius, C Simon, H de Riedmatten et al. Multimode quantum memory based on atomic frequency combs. Phys Rev A, 79, 052329(2009).
[68] N Sangouard, C Simon, M Afzelius et al. Analysis of a quantum memory for photons based on controlled reversible inhomogeneous broadening. Phys Rev A, 75, 032327(2007).
[69] V Damon, M Bonarota, A Louchet-Chauvet et al. Revival of silenced echo and quantum memory for light. New J Phys, 13, 093031(2011).
[70] P Jobez, N Timoney, C Laplane et al. Towards highly multimode optical quantum memory for quantum repeaters. Phys Rev A, 93, 032327(2016).
[71] M Sabooni, F Beaudoin, A Walther et al. Storage and recall of weak coherent optical pulses with an efficiency of 25%. Phys Rev Lett, 105, 060501(2010).
[72] T S Yang, Z Q Zhou, Y L Hua et al. Multiplexed storage and real-time manipulation based on a multiple degree-of-freedom quantum memory. Nat Commun, 9, 1(2018).
[73] J H Davidson, P Lefebvre, J Zhang et al. Improved light-matter interaction for storage of quantum states of light in a thulium-doped crystal cavity. Phys Rev A, 101, 042333(2020).
[74] A Amari, A Walther, M Sabooni et al. Towards an efficient atomic frequency comb quantum memory. J Lumin, 130, 1579(2010).
[75] M F Askarani, M L G Puigibert, T Lutz et al. Storage and reemission of heralded telecommunication-wavelength photons using a crystal waveguide. Phys Rev Appl, 11, 054056(2019).
[76] C Liu, Z Q Zhou, T X Zhu et al. Reliable coherent optical memory based on a laser-written waveguide. Optica, 7, 192(2020).
[77] C Liu, T X Zhu, M X Su et al. On-demand quantum storage of photonic qubits in an on-chip waveguide. Phys Rev Lett, 125, 260504(2020).
[78] E Saglamyurek, N Sinclair, J Jin et al. Broadband waveguide quantum memory for entangled photons. Nature, 469, 512(2011).
[79] C H Bennett, S J Wiesner. Communication via one- and two-particle operators on Einstein-Podolsky-Rosen states. Phys Rev Lett, 69, 2881(1992).
[80] I Craiciu, M Lei, J Rochman et al. Nanophotonic quantum storage at telecommunication wavelength. Phys Rev Appl, 12, 024062(2019).
[81] H Y Liu, X H Tian, C S Gu et al. Drone-based entanglement distribution towards mobile quantum networks. Natl Sci Rev, 7, 921(2020).
[82] B X Wang, Y Q Mao, L Shen et al. Long-distance transmission of quantum key distribution coexisting with classical optical communication over a weakly-coupled few-mode fiber. Opt Express, 28, 12558(2020).
[83] Y Q Mao, B X Wang, C X Zhao et al. Integrating quantum key distribution with classical communications in backbone fiber network. Opt Express, 26, 6010(2018).
[84] C Cai, Y M Sun, Y R Zhang et al. Experimental wavelength-space division multiplexing of quantum key distribution with classical optical communication over multicore fiber. Opt Express, 27, 5125(2019).
