| [1] | Joshi SK, et al. A trusted node-free eight-user metropolitan quantum communication network. Sci Adv. 2020;6:eaba0959. | 
		
				| [2] | Fröhlich B, et al. A quantum access network. Nature. 2013;501:69–72. | 
		
				| [3] | Jayakumar H, et al. Time-bin entangled photons from a quantum dot. Nat Commun. 2014;5:4251. | 
		
				| [4] | Cuevas A, et al. Long-distance distribution of genuine energy-time entanglement. Nat Commun. 2013;4:2871. | 
		
				| [5] | Zhang M, et al. Electronically programmable photonic molecule. Nat Photonics. 2019;13:36–40. | 
		
				| [6] | Wang J, Sciarrino F, Laing A, Thompson MG. Integrated photonic quantum technologies. Nat Photonics. 2020;14:273–84. | 
		
				| [7] | Feng L, et al. Silicon photonic devices for scalable quantum information applications. Photonics Res. 2022;10:A135–53. | 
		
				| [8] | Feng L, et al. On-chip coherent conversion of photonic quantum entanglement between different degrees of freedom. Nat Commun. 2016;7:11985. | 
		
				| [9] | Ren S, et al. Single-photon nonreciprocity with an integrated magneto-optical isolator. Laser Photonics Rev. 2022;16:2100595. | 
		
				| [10] | Pelucchi E, et al. The potential and global outlook of integrated photonics for quantum technologies. Nat Rev Phys. 2022;4:194–208. | 
		
				| [11] | Harris NC, et al. Integrated source of spectrally filtered correlated photons for large-scale quantum photonic systems. Phys Rev X. 2014;4:41047. | 
		
				| [12] | Wang J, et al. Multidimensional quantum entanglement with large-scale integrated optics. Science. 2018;360:285–91. | 
		
				| [13] | Metcalf BJ, et al. Quantum teleportation on a photonic chip. Nat Photonics. 2014;8:770–4. | 
		
				| [14] | Broome MA, et al. Photonic boson sampling in a tunable circuit. Science. 2013;339:794–8. | 
		
				| [15] | Paesani S, et al. Generation and sampling of quantum states of light in a silicon chip. Nat Phys. 2019;15:925–9. | 
		
				| [16] | Politi A, Matthews JCF, O'Brien JL. Shor's quantum factoring algorithm on a photonic chip. Science. 2009;325:1221. | 
		
				| [17] | Santagati R, et al. Witnessing eigenstates for quantum simulation of Hamiltonian spectra. Sci Adv. 2018;4:p9646. | 
		
				| [18] | Zhang Z, et al. High-performance quantum entanglement generation via cascaded second-order nonlinear processes. npj Quantum Inf. 2021;7:123. | 
		
				| [19] | Xu B, et al. Spectrally multiplexed and bright entangled photon pairs in a lithium niobate microresonator. Sci China Phys Mech. 2022;65:294262. | 
		
				| [20] | Feng L, Guo G, Ren X. Progress on integrated quantum photonic sources with silicon. Adv Quantum Technol. 2020;3:1900058. | 
		
				| [21] | Li Y, et al. On-chip multiplexed multiple entanglement sources in a single silicon nanowire. Phys Rev Appl. 2017;7:64005. | 
		
				| [22] | Wengerowsky S, et al. An entanglement-based wavelength-multiplexed quantum communication network. Nature. 2018;564:225. | 
		
				| [23] | Williams BP, et al. Reconfigurable quantum local area network over deployed fiber. PRX Quantum. 2021;2:40304. | 
		
				| [24] | Aktas D, et al. Entanglement distribution over 150 km in wavelength division multiplexed channels for quantum cryptography. Laser Photonics Rev. 2016;10:451–7. | 
		
				| [25] | Dong S, et al. Energy-time entanglement generation in optical fibers under CW pumping. Opt Express. 2014;22:359–68. | 
		
				| [26] | Liu X, et al. 40-user fully connected entanglement-based quantum key distribution network without trusted node. PhotoniX. 2022;3:2. | 
		
				| [27] | Xiong C, et al. Compact and reconfigurable silicon nitride time-bin entanglement circuit. Optica. 2015;2:724. | 
		
				| [28] | Zhang X, et al. Integrated silicon nitride time-bin entanglement circuits. Opt Lett. 2018;43:3469–72. | 
		
				| [29] | Pathak S, Dumon P, Van Thourhout D, Bogaerts W. Comparison of AWGs and echelle gratings for wavelength division multiplexing on silicon-on-insulator. IEEE Photonics J. 2014;6:1–9. | 
		
				| [30] | Sugita A, et al. Very low insertion loss arrayed-waveguide grating with vertically tapered waveguides. IEEE Photonic Tech L. 2000;12:1180–2. | 
		
				| [31] | Nishi H, et al. Monolithic integration of a silica AWG and Ge photodiodes on Si photonic platform for one-chip WDM receiver. Opt Express. 2012;20:9312–21. | 
		
				| [32] | Wang J, et al. Low-loss and low-crosstalk 8 × 8 silicon nanowire AWG routers fabricated with CMOS technology. Opt Express. 2014;22:9395–403. | 
		
				| [33] | Bogaerts W, et al. A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires. Opt Express. 2007;15:1567–78. | 
		
				| [34] | Bogaerts W, et al. Silicon-on-insulator spectral filters fabricated with CMOS technology. IEEE J Sel Top Quant. 2010;16:33–44. | 
		
				| [35] | Piels M. Low-loss silicon nitride AWG demultiplexer heterogeneously integrated with hybrid III–V/silicon photodetectors. J Lightwave Technol. 2014;32:817–23. | 
		
				| [36] | Li J, et al. AWG optical filter with tunable central wavelength and bandwidth based on LNOI and electro-optic effect. Opt Commun. 2020;454:124445. | 
		
				| [37] | Xu Y, Lin H. A concise design of 16×16 polymer AWG with low insertion loss and crosstalk. Optik. 2014;125:920–3. | 
		
				| [38] | Zhang M, et al. Generation of multiphoton quantum states on silicon. Light Sci Appl. 2019;8:41. | 
		
				| [39] | Franson JD. Bell inequality for position and time. Phys Rev Lett. 1989;62:2205. | 
		
				| [40] | Brendel J, Gisin N, Tittel W, Zbinden H. Pulsed energy-time entangled twin-photon source for quantum communication. Phys Rev Lett. 2001;86:1392. |