[1] Allen L, Beijersbergen M W, Spreeuw R J C, Woerdman J P 1992 Phys. Rev. A 45 8185 doi: 10.1103/PhysRevA.45.8185
[2] Shen Y J, Wang X J, Xie Z W, Min C J, Fu X, Liu Q, Gong M L, Yuan X C 2019 Light Sci. Appl. 8 90 doi: 10.1038/s41377-019-0194-2
[3] Willner A E, Huang H, Yan Y, Ren Y, Ahmed N, Xie G, Bao C, Li L, Cao Y, Zhao Z, Wang J, Lavery M P J, Tur M, Ramachandran S, Molisch A F, Ashrafi N, Ashrafi S 2015 Adv. Opt. Photon. 7 66 doi: 10.1364/AOP.7.000066
[4] Mair A, Vaziri A, Weihs G, Zeilinger A 2001 Nature 412 313 doi: 10.1038/35085529
[5] Fang X Y, Ren H R, Gu M 2020 Nat. Photonics 14 102 doi: 10.1038/s41566-019-0560-x
[6] Erhard M, Fickler R, Krenn M, Zeilinger A 2017 Light Sci. Appl. 7 17146 doi: 10.1038/lsa.2017.146
[7] Wang J, Liu J, Li S, Zhao Y, Du J, Zhu L 2022 Nanophotonics 11 645 doi: 10.1515/nanoph-2021-0527
[8] Trichili A, Park K H, Zghal M, Ooi B S, Alouini M S 2019 IEEE Commun. Surv. Tutorials 21 3175 doi: 10.1109/COMST.2019.2915981
[9] Chen Y A, Zhang Q, Chen T Y, Cai W Q, Liao S K, Zhang J, Chen K, Yin J, Ren J G, Chen Z, Han S L, Yu Q, Liang K, Zhou F, Yuan X, Zhao M S, Wang T Y, Jiang X, Zhang L, Liu W Y, Li Y, Shen Q, Cao Y, Lu C Y, Shu R, Wang J Y, Li L, Liu N L, Xu F, Wang X B, Peng C Z, Pan J W 2021 Nature 589 214 doi: 10.1038/s41586-020-03093-8
[10] Qiu X, Guo H, Chen L 2023 Nat. Commun. 14 8244 doi: 10.1038/s41467-023-43950-4
[11] Vallone G, D’Ambrosio V, Sponselli A, Slussarenko S, Marrucci L, Sciarrino F, Villoresi P 2014 Phys. Rev. Lett. 113 060503 doi: 10.1103/PhysRevLett.113.060503
[12] Wang X L, Cai X D, Su Z E, Chen M C, Wu D, Li L, Liu N L, Lu C Y, Pan J W 2015 Nature 518 516 doi: 10.1038/nature14246
[13] Du J, Wang J 2015 Opt. Lett. 40 4827 doi: 10.1364/OL.40.004827
[14] Shang Z, Fu S Y, Hai L, Zhang Z, Li L, Gao C Q 2022 Opt. Express 30 34053 doi: 10.1364/OE.466353
[15] Wen Y, Chremmos I, Chen Y, Zhu G, Zhang J, Zhu J, Zhang Y, Liu J, Yu S 2020 Optica 7 254 doi: 10.1364/OPTICA.385590
[16] Wang J, Yang J Y, Fazal I M, Ahmed N, Yan Y, Huang H, Ren Y, Yue Y, Dolinar S, Tur M, Willner A E 2012 Nat. Photonics 6 488 doi: 10.1038/nphoton.2012.138
[17] Fu S Y, Zhai Y, Zhang J, Liu X, Song R, Zhou H, Gao C Q 2020 PhotoniX 1 19 doi: 10.1186/s43074-020-00019-5
[18] Fu S Y, Wang T W, Yan Gao Y, Gao C Q 2016 Chin. Opt. Lett. 14 080501 doi: 10.3788/COL201614.080501
[19] Zhao Q, Dong M, Bai Y H, Yang Y J 2020 Photon. Res. 8 745 doi: 10.1364/PRJ.384925
[20] Leach J, Padgett M J, Barnett S M, Franke-Arnold S, Courtial J 2002 Phys. Rev. Lett. 88 257901 doi: 10.1103/PhysRevLett.88.257901
[21] Zhou H L, Fu D Z, Dong J J, Zhang P, Chen D X, Cai X L, Li F L, Zhang X L 2016 Light Sci. Appl. 6 16251 doi: 10.1038/lsa.2016.251
[22] Lavery M P J, Speirits F C, Barnett S M, Padgett M J 2013 Science 341 537 doi: 10.1126/science.1239936
[23] Wang H, Zhan Z, Hu F, Meng Y, Liu Z, Fu X, Liu Q 2023 PhotoniX 4 9 doi: 10.1186/s43074-022-00079-9
[24] Wang J Q, Fu S Y, Shang Z J, Hai L, Gao C Q 2022 Opt. Lett. 47 1419 doi: 10.1364/OL.443726
[25] Zhou S Y, Li L, Gao C Q, Fu S Y 2023 Opt. Lett. 49 173 doi: 10.1364/OL.512147
[26] Berkhout G C G, Lavery M P J, Courtial J, Beijersbergen M W, Padgett M J 2010 Phys. Rev. Lett. 105 153601 doi: 10.1103/PhysRevLett.105.153601
[27] Mirhosseini M, Malik M, Shi Z, Boyd R W 2013 Nat. Commun. 4 2781 doi: 10.1038/ncomms3781
[28] Wen Y, Chremmos I, Chen Y, Zhu J, Zhang Y, Yu S 2018 Phys. Rev. Lett. 120 193904 doi: 10.1103/PhysRevLett.120.193904
[29] Cheng J, Wan C H, Zhan Q W 2022 Opt. Express 30 16330 doi: 10.1364/OE.455987
[30] Cheng J P, Sha X B, Zhang H, Chen Q M, Qu G Y, Song Q H, Yu S M, Xiao S M 2022 Nano Lett. 22 3993 doi: 10.1021/acs.nanolett.2c00572
[31] Li L, Guo Y C, Zhang Z C, Shang Z J, Li C, Wang J Q, Gao L L, Hai L, Gao C Q, Fu S Y 2023 Adv. Photonics 5 056002 doi: 10.1117/1.AP.5.5.056002
[32] Lavery M P J, Robertson D J, Berkhout G C G, Love G D, Padgett M J, Courtial J 2012 Opt. Express 20 2110 doi: 10.1364/OE.20.002110
[33] Lavery M P J, Robertson D J, Sponselli A, Courtial J, Steinhoff N K, Tyler G A, Wilner A E, Padgett M J 2013 New J. Phys. 15 013024 doi: 10.1088/1367-2630/15/1/013024
[34] Chen P, Wei B Y, Hu W, Lu Y Q 2020 Adv. Mater. 32 1903665 doi: 10.1002/adma.201903665
[35] Saber G, Gutiérrez-Castrejón R, Xing Z, Alam S, El-Fiky E, Ceballos-Herrera D E, Cavaliere F, Vall-Llosera G, Lessard S, Plant D V 2021 IEEE Photonics J. 13 1 doi: 10.1109/JPHOT.2021.3054240