[1] E. Knill, R. Laflamme, G. J. Milburn. A scheme for efficient quantum computation with linear optics. Nature, 2001, 409: 46-52.

[2] N. Gisin, R. Thew. Quantum communication. Nat. Photonics, 2007, 1: 165-171.

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

[4] C. H. Bennett, G. Brassard, N. D. Mermin. Quantum cryptography without Bell’s theorem. Phys. Rev. Lett., 1992, 68: 557-559.

[5] I. Ali-Khan, C. J. Broadbent, J. C. Howell. Large-alphabet quantum key distribution using energy-time entangled bipartite states. Phys. Rev. Lett., 2007, 98: 060503.

[6] X. Ding, Y. He, Z. Duan, N. Gregersen, M. Chen, S. Unsleber, S. Maier, C. Schneider, M. Kamp, S. Höfling, C. Lu, J. Pan. On-demand single photons with high extraction efficiency and near-unity indistinguishability from a resonantly driven quantum dot in a micropillar. Phys. Rev. Lett., 2016, 116: 020401.

[7] D. Aktas, B. Fedrici, F. Kaiser, T. Lunghi, L. Labonte, S. Tanzilli. Entanglement distribution over 150  km in wavelength division multiplexed channels for quantum cryptography. Laser Photon. Rev., 2016, 10: 451-457.

[8] X. Li, J. Chen, P. Voss, J. Sharping, P. Kumar. All-fiber photon-pair source for quantum communications: improved generation of correlated photons. Opt. Express, 2004, 12: 3737-3744.

[9] P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, Y. Shih. New high-intensity source of polarization-entangled photon pairs. Phys. Rev. Lett., 1995, 75: 4337-4341.

[10] S. Tanzilli, H. De Riedmatten, H. Tittel, H. Zbinden, P. Baldi, M. De Micheli, D. B. Ostrowsky, N. Gisin. Highly efficient photon-pair source using periodically poled lithium niobate waveguide. Electron. Lett., 2001, 37: 26-28.

[11] S. D. Dyer, B. Baek, S. W. Nam. High-brightness, low-noise, all-fiber photon pair source. Opt. Express, 2009, 17: 10290-10297.

[12] J. E. Sharping, K. F. Lee, M. A. Foster, A. C. Turner, B. S. Schmidt, M. Lipson, A. L. Gaeta, P. Kumar. Generation of correlated photons in nanoscale silicon waveguides. Opt. Express, 2006, 14: 12388-12393.

[13] K.-I. Harada, H. Takesue, H. Fukuda, T. Tsuchizawa, T. Watanabe, K. Yamada, Y. Tokura, S.-I. Itabashi. Frequency and polarization characteristics of correlated photon-pair generation using a silicon wire waveguide. IEEE J. Sel. Top. Quantum Electron., 2010, 16: 325-331.

[14] K. Guo, E. N. Christensen, J. B. Christensen, J. G. Koefoed, D. Bacco, Y. Ding, H. Ou, K. Rottwitt. High coincidence-to-accidental ratio continuous-wave photon-pair generation in a grating-coupled silicon strip waveguide. Appl. Phys. Express, 2017, 10: 062801.

[15] S. Clemmen, A. Perret, S. Selvaraja, W. Bogaerts, D. Van Thourhout, R. Baets, P. Emplit, S. Massar. Generation of correlated photons in hydrogenated amorphous-silicon waveguides. Opt. Lett., 2010, 35: 3483-3485.

[16] J. B. Spring, P. S. Salter, B. J. Metcalf, P. C. Humphreys, M. Moore, N. Thomas-Peter, M. Barbieri, X.-M. Jin, N. K. Langford, W. S. Kolthammer, M. J. Booth, I. A. Walmsley. On-chip low loss heralded source of pure single photons. Opt. Express, 2013, 21: 13522-13532.

[17] C. Xiong, X. Zhang, A. Mahendra, J. He, D.-Y. Choi, C. Chae, D. Marpaung, A. Leinse, R. Heideman, M. Hoekman, C. G. H. Roeloffzen, R. M. Oldenbeuving, P. W. L. van Dijk, C. Taddei, P. H. W. Leong, B. J. Eggleton. Compact and reconfigurable silicon nitride time-bin entanglement circuit. Optica, 2015, 2: 724-727.

[18] P. Kultavewuti, E. Y. Zhu, L. Qian, V. Pusino, M. Sorel, J. S. Aitchison. Correlated photon pair generation in ALGaAs nanowaveguides via spontaneous four-wave mixing. Opt. Express, 2016, 24: 3365-3376.

[19] M. Pu, L. Liu, H. Ou, K. Yvind, J. M. Hvam. Ultra-low-loss inverted taper coupler for silicon-on-insulator ridge waveguide. Opt. Commun., 2010, 283: 3678-3682.

[20] Y. Ding, H. Ou, C. Peucheret. Ultrahigh-efficiency apodized grating coupler using fully etched photonic crystals. Opt. Lett., 2013, 38: 2732-2734.

[21] J. Leuthold, C. Koos, W. Freude. Nonlinear silicon photonics. Nat. Photonics, 2010, 4: 535-544.

[22] N. C. Harris, D. Grassani, A. Simbula, M. Pant, M. Galli, T. Baehr-Jones, M. Hochberg, D. Englund, D. Bajoni, C. Galland. Integrated source of spectrally filtered correlated photons for large-scale quantum photonic systems. Phys. Rev. X, 2014, 4: 041047.

[23] J. Wang, D. Bonneau, M. Villa, J. W. Silverstone, R. Santagati, S. Miki, T. Yamashita, M. Fujiwara, M. Sasaki, H. Terai, M. G. Tanner, C. M. Natarajan, R. H. Hadfield, J. L. O’Brien, M. G. Thompson. Chip-to-chip quantum photonic interconnect by path-polarization interconversion. Optica, 2016, 3: 407-413.

[24] I. A. Walmsley, M. G. Raymer. Toward quantum-information processing with photons. Science, 2005, 307: 1733-1734.

[25] K. N. Cassemiro, K. Laiho, C. Silberhorn. Accessing the purity of a single photon by the width of the Hong–Ou–Mandel interference. New J. Phys., 2010, 12: 113052.

[26] W. Tittel, J. Brendel, N. Gisin, H. Zbinden. Long-distance Bell-type tests using energy-time entangled photons. Phys. Rev. A, 1999, 59: 4150-4163.

[27] D. Grassani, S. Azzini, M. Liscidini, M. Galli, M. J. Strain, M. Sorel, J. Sipe, D. Bajoni. Micrometer-scale integrated silicon source of time-energy entangled photons. Optica, 2015, 2: 88-94.

[28] S. Rogers, D. Mulkey, X. Lu, W. C. Jiang, Q. Lin. High visibility time-energy entangled photons from a silicon nanophotonic chip. ACS Photon., 2016, 3: 1754-1761.

[29] C. Reimer, L. Caspani, M. Clerici, M. Ferrera, M. Kues, M. Peccianti, A. Pasquazi, L. Razzari, B. E. Little, S. T. Chu, D. J. Moss, R. Morandotti. Integrated frequency comb source of heralded single photons. Opt. Express, 2014, 22: 6535-6546.

[30] F. Mazeas, M. Traetta, M. Bentivegna, F. Kaiser, D. Aktas, W. Zhang, C. Ramos, L. Ngah, T. Lunghi, E. Picholle, N. Belabas-Plougonven, X. Le Roux, E. Cassan, D. Marris-Morini, L. Vivien, G. Sauder, L. Labonté, S. Tanzilli. High-quality photonic entanglement for wavelength-multiplexed quantum communication based on a silicon chip. Opt. Express, 2016, 24: 28731-28738.

[31] J. M. Arrazola, V. Scarani. Covert quantum communication. Phys. Rev. Lett., 2016, 117: 250503.

[32] B. A. Bash, A. H. Gheorghe, M. Patel, J. L. Habif, D. Goeckel, D. Towsley, S. Guha. Quantum-secure covert communication on bosonic channels. Nat. Commun., 2015, 6: 8626.

[33] A. S. Clark, C. Husko, M. J. Collins, G. Lehoucq, S. Xavier, A. De Rossi, S. Combrié, C. Xiong, B. J. Eggleton. Heralded single-photon source in a III-V photonic crystal. Opt. Lett., 2013, 38: 649-651.

[34] S. Clemmen, K. P. Huy, W. Bogaerts, R. G. Baets, P. Emplit, S. Massar. Continuous wave photon pair generation in silicon-on-insulator waveguides and ring resonators. Opt. Express, 2009, 17: 16558-16570.

[35] S. Azzini, D. Grassani, M. J. Strain, M. Sorel, L. Helt, J. Sipe, M. Liscidini, M. Galli, D. Bajoni. Ultra-low power generation of twin photons in a compact silicon ring resonator. Opt. Express, 2012, 20: 23100-23107.

[36] K.-Y. Wang, V. G. Velev, K. F. Lee, A. S. Kowligy, P. Kumar, M. A. Foster, A. C. Foster, Y.-P. Huang. Multichannel photon-pair generation using hydrogenated amorphous silicon waveguides. Opt. Lett., 2014, 39: 914-917.

[37] E. Engin, D. Bonneau, C. M. Natarajan, A. S. Clark, M. G. Tanner, R. H. Hadfield, S. N. Dorenbos, V. Zwiller, K. Ohira, N. Suzuki, H. Yoshida, N. Iizuka, M. Ezaki, J. L. O’Brien, M. G. Thompson. Photon pair generation in a silicon micro-ring resonator with reverse bias enhancement. Opt. Express, 2012, 21: 27826-27834.

[38] Y. Guo, W. Zhang, S. Dong, Y. Huang, J. Peng. Telecom-band degenerate-frequency photon pair generation in silicon microring cavities. Opt. Lett., 2014, 39: 2526-2529.

[39] R. Wakabayashi, M. Fujiwara, K.-I. Yoshino, Y. Nambu, M. Sasaki, T. Aoki. Time-bin entangled photon pair generation from si micro-ring resonator. Opt. Express, 2015, 23: 1103-1113.

[40] Y. Guo, W. Zhang, N. Lv, Q. Zhou, Y. Huang, J. Peng. The impact of nonlinear losses in the silicon micro-ring cavities on CW pumping correlated photon pair generation. Opt. Express, 2014, 22: 2620-2631.

[41] S. Azzini, D. Grassani, M. Galli, L. C. Andreani, M. Sorel, M. J. Strain, L. Helt, J. Sipe, M. Liscidini, D. Bajoni. From classical four-wave mixing to parametric fluorescence in silicon microring resonators. Opt. Lett., 2012, 37: 3807-3809.

[42] W. Bogaerts, P. De Heyn, T. Van Vaerenbergh, K. De Vos, S. Kumar Selvaraja, T. Claes, P. Dumon, P. Bienstman, D. Van Thourhout, R. Baets. Silicon microring resonators. Laser Photon. Rev., 2012, 6: 47-73.

[43] B. E. Little, S. T. Chu, H. A. Haus, J. Foresi, J.-P. Laine. Microring resonator channel dropping filters. J. Lightwave Technol., 1997, 15: 998-1005.

[44] L. Helt, Z. Yang, M. Liscidini, J. Sipe. Spontaneous four-wave mixing in microring resonators. Opt. Lett., 2010, 35: 3006-3008.

[45] L. G. Helt, M. Liscidini, J. E. Sipe. How does it scale? Comparing quantum and classical nonlinear optical processes in integrated devices. J. Opt. Soc. Am. B, 2012, 29: 2199-2212.

[46] Z. Vernon, M. Liscidini, J. Sipe. No free lunch: the trade-off between heralding rate and efficiency in microresonator-based heralded single photon sources. Opt. Lett., 2016, 41: 788-791.

[47] SoltaniM., “Novel integrated silicon nanophotonic structures using ultra-high Q resonators,” Ph.D. thesis (Georgia Institute of Technology, 2009).

[48] A. B. Fallahkhair, K. S. Li, T. E. Murphy. Vector finite difference modesolver for anisotropic dielectric waveguides. J. Lightwave Technol., 2008, 26: 1423-1431.

[49] K. Guo, F. Smm, J. B. Christensen, E. N. Christensen, X. Shi, Y. Ding, H. Ou, K. Rottwitt. Full-vectorial propagation model and modified effective mode area of four-wave mixing in straight waveguides. Opt. Lett., 2017, 42: 3670-3673.

[50] Y. Li, A. V. Maslov, N. I. Limberopoulos, A. M. Urbas, V. N. Astratov. Spectrally resolved resonant propulsion of dielectric microspheres. Laser Photon. Rev., 2015, 9: 263-273.

[51] H. Rong, A. Liu, R. Nicolaescu, M. Paniccia, O. Cohen, D. Hak. Raman gain and nonlinear optical absorption measurements in a low-loss silicon waveguide. Appl. Phys. Lett., 2004, 85: 2196-2198.

[52] D. Dimitropoulos, R. Jhaveri, R. Claps, J. Woo, B. Jalali. Lifetime of photogenerated carriers in silicon-on-insulator rib waveguides. Appl. Phys. Lett., 2005, 86: 071115.

[53] X. Lu, W. C. Jiang, J. Zhang, Q. Lin. Biphoton statistics of quantum light generated on a silicon chip. ACS Photon., 2016, 3: 1626-1636.

[54] W. C. Jiang, X. Lu, J. Zhang, O. Painter, Q. Lin. Silicon-chip source of bright photon pairs. Opt. Express, 2015, 23: 20884-20904.

[55] B. Korzh, N. Walenta, T. Lunghi, N. Gisin, H. Zbinden. Free-running ingaas single photon detector with 1 dark count per second at 10% efficiency. Appl. Phys. Lett., 2014, 104: 081108.

[56] L. C. Comandar, B. Fröhlich, J. F. Dynes, A. W. Sharpe, M. Lucamarini, Z. Yuan, R. V. Penty, A. J. Shields. Gigahertz-gated InGaAs/InP single-photon detector with detection efficiency exceeding 55% at 1550  nm. J. Appl. Phys., 2015, 117: 083109.

[57] Y. F. Xiao, X. F. Jiang, Q. F. Yang, L. Wang, K. Shi, Y. Li, Q. Gong. Tunneling-induced transparency in a chaotic microcavity. Laser Photon. Rev., 2013, 7: L51-L54.

[58] X. F. Jiang, C. L. Zou, L. Wang, Q. Gong, Y. F. Xiao. Whispering–gallery microcavities with unidirectional laser emission. Laser Photon. Rev., 2016, 10: 40-61.

[59] Y. Yang, X. Jiang, S. Kasumie, G. Zhao, L. Xu, J. M. Ward, L. Yang, S. N. Chormaic. Four-wave mixing parametric oscillation and frequency comb generation at visible wavelengths in a silica microbubble resonator. Opt. Lett., 2016, 41: 5266-5269.

[60] M. Cai, O. Painter, K. J. Vahala. Observation of critical coupling in a fiber taper to a silica-microsphere whispering-gallery mode system. Phys. Rev. Lett., 2000, 85: 74-77.

[61] X. F. Jiang, Y. F. Xiao, Q. F. Yang, L. Shao. Free-space coupled, ultralow-threshold raman lasing from a silica microcavity. Appl. Phys. Lett., 2013, 103: 101102.

[62] X. Jiang, L. Shao, S. X. Zhang, X. Yi, J. Wiersig, L. Wang, Q. Gong, M. Lončar, L. Yang, Y. F. Xiao. Chaos-assisted broadband momentum transformation in optical microresonators. Science, 2017, 358: 344-347.

[63] X. F. Jiang, Y. F. Xiao, C. L. Zou, L. He, C. H. Dong, B. B. Li, Y. Li, F. W. Sun, L. Yang, Q. Gong. Highly unidirectional emission and ultralow-threshold lasing from on-chip ultrahigh-Q microcavities. Adv. Mater., 2012, 24: OP260-OP264.