[1] [1] Bogaerts W and Chrostowski L 2018 Silicon photonics circuit design: methods, tools and challenges Laser Photon. Rev.12 1700237

[2] [2] Wang J W, Sanchez M M, Yin Y, Herzer R, Ma L B and Schmidt O G 2020 Silicon-based integrated label-free optofluidic biosensors: latest advances and roadmap Adv.Mater. Technol. 5 1901138

[3] [3] Wang J F, Suo J, Song Z X, Li W J and Wang Z B 2023 Nanomaterial-based flexible sensors for metaverse and virtual reality applications Int. J. Extrem. Manuf. 5 032013

[4] [4] Shen Y C et al 2017 Deep learning with coherent nanophotonic circuits Nat. Photon. 11 441–6

[5] [5] Zhou K et al 2023 Manufacturing of graphene based synaptic devices for optoelectronic applications Int. J. Extrem.Manuf. 5 042006

[6] [6] Ashtiani F, Geers A J and Aflatouni F 2022 An on-chip photonic deep neural network for image classification Nature 606 501–6

[7] [7] Zhu Y X, Mao H W, Zhu Y, Wang X J, Fu C Y, Ke S, Wan C J and Wan Q 2023 CMOS-compatible neuromorphic devices for neuromorphic perception and computing: a review Int.J. Extrem. Manuf. 5 042010

[8] [8] Mehta K K, Zhang C, Malinowski M, Nguyen T L, Stadler M and Home J P 2020 Integrated optical multi-ion quantum logic Nature 586 533–7

[9] [9] Mennea P L et al 2018 Modular linear optical circuits Optica5 1087–90

[10] [10] Harris N C et al 2018 Linear programmable nanophotonic processors Optica 5 1623–31

[11] [11] Pérez D, Gasulla I and Capmany J 2018 Field-programmable photonic arrays Opt. Express 26 27265–78

[12] [12] Liao K, Li C T, Dai T X, Zhong C Y, Lin H T, Hu X Y and Gong Q H 2022 Matrix eigenvalue solver based on reconfigurable photonic neural network Nanophotonics11 4089–99

[13] [13] Reed G T, Mashanovich G, Gardes F Y and Thomson D J 2010 Silicon optical modulators Nat. Photon. 4 518–26

[14] [14] Wuttig M, Bhaskaran H and Taubner T 2017 Phase-change materials for non-volatile photonic applications Nat.Photon. 11 465–76

[15] [15] Ríos C, Stegmaier M, Hosseini P, Wang D, Scherer T,Wright C D, Bhaskaran H and Pernice W H P 2015 Integrated all-photonic non-volatile multi-level memory Nat. Photon. 9 725–32

[16] [16] Li X, Youngblood N, Ríos C, Cheng Z G, Wright C D,Pernice W H and Bhaskaran H 2019 Fast and reliable storage using a 5 bit, nonvolatile photonic memory cell Optica 6 1–6

[17] [17] Zhang Y F et al 2021 Electrically reconfigurable non-volatile metasurface using low-loss optical phase-change material Nat. Nanotechnol. 16 661–6

[18] [18] Abdollahramezani S et al 2022 Electrically driven reprogrammable phase-change metasurface reaching 80% efficiency Nat. Commun. 13 1696

[19] [19] Xu P P, Zheng J J, Doylend J K and Majumdar A 2019 Low-loss and broadband nonvolatile phase-change directional coupler switches ACS Photonics 6 553–7

[20] [20] Cheng Z G, Ríos C, Pernice W H P, Wright C D and Bhaskaran H 2017 On-chip photonic synapse Sci. Adv.3 e1700160

[21] [21] Feldmann J, Youngblood N, Wright C D, Bhaskaran H and Pernice W H P 2019 All-optical spiking neurosynaptic networks with self-learning capabilities Nature 569 208–14

[22] [22] Abdollahramezani S, Hemmatyar O, Taghinejad H,Krasnok A, Kiarashinejad Y, Zandehshahvar M, Al`u A and Adibi A 2020 Tunable nanophotonics enabled by chalcogenide phase-change materials Nanophotonics9 1189–241

[23] [23] Zhang W, Mazzarello R, Wuttig M and Ma E 2019 Designing crystallization in phase-change materials for universal memory and neuro-inspired computing Nat. Rev. Mater.4 150–68

[24] [24] Teo T Y, Teo T Y, Krbal M, Mistrik J, Mistrik J, Prikryl J,Lu L, Simpson R E and Simpson R E 2022 Comparison and analysis of phase change materials-based reconfigurable silicon photonic directional couplers Opt. Mater. Express12 606–21

[25] [25] Simpson R E, Yang J K W and Hu J J 2022 Are phase change materials ideal for programmable photonics?: opinion Opt.Mater. Express 12 2368–73

[26] [26] Pai S, Bartlett B, Solgaard O and Miller D A B 2019 Matrix optimization on universal unitary photonic devices Phys.Rev. Appl. 11 064044

[27] [27] Bogaerts W, Pérez D, Capmany J, Miller D A B, Poon J,Englund D, Morichetti F and Melloni A 2020 Programmable photonic circuits Nature 586 207–16

[28] [28] Zhang Y F et al 2019 Broadband transparent optical phase change materials for high-performance nonvolatile photonics Nat. Commun. 10 4279

[29] [29] Liu H L, Dong W L, Wang H, Lu L, Ruan Q F, Tan Y S,Simpson R E and Yang J K W 2020 Rewritable color nanoprints in antimony trisulfide films Sci. Adv.6 eabb7171

[30] [30] Fang Z R et al 2022 Ultra-low-energy programmable non-volatile silicon photonics based on phase-change materials with graphene heaters Nat. Nanotechnol.17 842–8

[31] [31] Teo T Y, Ma X X, Pastor E, Wang H, George J K, Yang J K W,Wall S, Miscuglio M, Simpson R E and Sorger V J 2022 Programmable chalcogenide-based all-optical deep neural networks Nanophotonics 11 4073–88

[32] [32] Gutiérrez Y et al 2022 Interlaboratory study on Sb2S3 interplay between structure, dielectric function, and amorphous-to-crystalline phase change for photonics iScience 25 104377

[33] [33] Fang Z R, Zheng J J, Saxena A, Whitehead J, Chen Y Y and Majumdar A 2021 Non-volatile reconfigurable integrated photonics enabled by broadband low-loss phase change material Adv. Opt. Mater. 9 2002049

[34] [34] Gao K, Du K, Tian S M, Wang H, Zhang L, Guo Y X,Luo B C, Zhang W D and Mei T 2021 Intermediate phase-change states with improved cycling durability of Sb2S3 by femtosecond multi-pulse laser irradiation Adv.Funct. Mater. 31 2103327

[35] [35] Dong W L, Liu H L, Behera J K, Lu L, Ng R J H,Sreekanth K V, Zhou X L, Yang J K W and Simpson R E 2019 Wide bandgap phase change material tuned visible photonics Adv. Funct. Mater. 29 1806181

[36] [36] Delaney M, Zeimpekis I, Lawson D, Hewak D W and Muskens O L 2020 A new family of ultralow loss reversible phase-change materials for photonic integrated circuits:Sb2S3 and Sb2Se3 Adv. Funct. Mater. 30 2002447

[37] [37] Delaney M, Zeimpekis I, Du H, Yan X Z, Banakar M,Thomson D J, Hewak D W and Muskens O L 2021 Nonvolatile programmable silicon photonics using an ultralow-loss Sb2Se3 phase change material Sci. Adv.7 eabg3500

[38] [38] Zhang H Y, Zhang H Y, Yang X, Lu L J, Chen J P,Rahman B M A and Zhou L J 2021 Comparison of the phase change process in a GST-loaded silicon waveguide and MMI Opt. Express 29 3503–14

[39] [39] Zheng J J et al 2020 Nonvolatile electrically reconfigurable integrated photonic switch enabled by a silicon PIN diode heater Adv. Mater. 32 2001218

[40] [40] Wei M L et al 2023 Electrically programmable phase-change photonic memory for optical neural networks with nanoseconds in situ training capability Adv. Photon.5 046004

[41] [41] Meng J W et al 2023 Electrical programmable multilevel nonvolatile photonic random-access memory Light 12 189

[42] [42] Behera J K, Zhou X L, Tominaga J and Simpson R E 2017 Laser switching and characterisation of chalcogenides:systems, measurements, and applicability to photonics[Invited] Opt. Mater. Express 7 3741–59

[43] [43] Wang Y Z, Ning J, Lu L, Bosman M and Simpson R E 2021 A scheme for simulating multi-level phase change photonics materials npj Comput. Mater. 7 183

[44] [44] Sun X X, Lotnyk A, Ehrhardt M, Gerlach J W and Rauschenbach B 2017 Realization of multilevel states in phase-change thin films by fast laser pulse irradiation Adv.Opt. Mater. 5 1700169

[45] [45] Pérez-López D, López A, DasMahapatra P and Capmany J 2020 Multipurpose self-configuration of programmable photonic circuits Nat. Commun. 11 6359

[46] [46] Qu Y R, Li Q, Du K K, Cai L, Lu J and Qiu M 2017 Dynamic thermal emission control based on ultrathin plasmonic metamaterials including phase-changing material GST Laser Photon. Rev. 11 1700091

[47] [47] Clements W R, Humphreys P C, Metcalf B J,Kolthammer W S and Walmsley I A 2016 Optimal design for universal multiport interferometers Optica 3 1460–5