[1] Wang S H, Wang F, Gao R et al. SNR enhanced OAM mode division multiplexing with in-band noise modulation based on cascade delta-sigma modulation[J]. Optics Express, 33, 1058(2025).

[2] Ellis A D, McCarthy M E, Al Khateeb M A Z et al. Performance limits in optical communications due to fiber nonlinearity[J]. Advances in Optics and Photonics, 9, 429(2017).

[3] Pryamikov A D, Gladyshev A V, Kosolapov A F et al. Hollow-core optical fibers: current state and development prospects[J]. Physics-Uspekhi, 67, 129-156(2024).

[4] Ding W, Wang Y Y, Gao S F et al. Recent progress in low-loss hollow-core anti-resonant fibers and their applications[J]. IEEE Journal of Selected Topics in Quantum Electronics, 26, 4400312(2020).

[5] Komanec M, Dousek D, Suslov D et al. Hollow-core optical fibers[J]. Radioengineering, 29, 417-430(2020).

[6] Borzycki K, Osuch T. Hollow-core optical fibers for telecommunications and data transmission[J]. Applied Sciences, 13, 10699(2023).

[7] Knight J C, Broeng J, Birks T A et al. Photonic band gap guidance in optical fibers[J]. Science, 282, 1476-1478(1998).

[8] Cregan R F, Mangan B J, Knight J C et al. Single-mode photonic band gap guidance of light in air[J]. Science, 285, 1537-1539(1999).

[9] Yu F, Wadsworth W J, Knight J C. Low loss silica hollow core fibers for 3‒4 μm spectral region[J]. Optics Express, 20, 11153-11158(2012).

[10] Wang Y Y, Couny F, Roberts P J et al. Low loss broadband transmission in optimized core-shape Kagome Hollow-Core PCF[C], CPDB4-21(2010).

[11] Belardi W, Knight J C. Hollow antiresonant fibers with low bending loss[J]. Optics Express, 22, 10091-10096(2014).

[12] Uebel P, Günendi M C, Frosz M H et al. Broadband robustly single-mode hollow-core PCF by resonant filtering of higher-order modes[J]. Optics Letters, 41, 1961-1964(2016).

[13] Sakr H, Bradley T D, Jasion G T et al. Hollow core NANFs with five nested tubes and record low loss at 850, 1060, 1300 and 1625 nm[C]. DC, F3A.4-11(2021).

[14] Jasion G T, Sakr H, Hayes J R et al. 0.174 dB/km hollow core double nested antiresonant nodeless fiber (DNANF)[C], Th4C.7-10(2022).

[15] Poletti F, Wheeler N V, Petrovich M N et al. Towards high-capacity fibre-optic communications at the speed of light in vacuum[J]. Nature Photonics, 7, 279-284(2013).

[16] Shephard J D, MacPherson W N, Maier R R J et al. Single-mode mid-IR guidance in a hollow-core photonic crystal fiber[J]. Optics Express, 13, 7139-7144(2005).

[17] Tomashuk A L, Golant K M. Radiation-resistant and radiation-sensitive silica optical fibers[J]. Proceedings of SPIE, 4083, 188-201(2000).

[18] Xiao L M, Demokan M S, Jin W et al. Fusion splicing photonic crystal fibers and conventional single-mode fibers: microhole collapse effect[J]. Journal of Lightwave Technology, 25, 3563-3574(2007).

[19] Amezcua-Correa R, Gerome F, Leon-Saval S et al. Control of surface modes in low loss hollow-core photonic bandgap fibers[C], 1-2(2008).

[20] Belardi W, Knight J C. Hollow antiresonant fibers with reduced attenuation[J]. Optics Letters, 39, 1853-1856(2014).

[21] Belardi W. Design and properties of hollow antiresonant fibers for the visible and near infrared spectral range[J]. Journal of Lightwave Technology, 33, 4497-4503(2015).

[22] Debord B, Amsanpally A, Chafer M et al. Ultralow transmission loss in inhibited-coupling guiding hollow fibers[J]. Optica, 4, 209-217(2017).

[23] Yablonovitch E. Inhibited spontaneous emission in solid-state physics and electronics[J]. Physical Review Letters, 58, 2059-2062(1987).

[24] Wang C, Huang H Y, Meng D H et al. Hollow-core photonic bandgap fibers: properties and sensing technology[J]. Opto-Electronic Engineering, 45, 180151(2018).

[25] Litchinitser N M, Abeeluck A K, Headley C et al. Antiresonant reflecting photonic crystal optical waveguides[J]. Optics Letters, 27, 1592-1594(2002).

[26] Chang Y B, Shen S K, Zhang H et al. Research progress in anti-resonant hollow-core fiber technology[J/OL]. Study on Optical Communications, 1-14. http:∥kns.cnki.net/kcms/detail/42.1266.TN.20240918.1450.008.html

[27] Liu D W, Zhu D J, Liu S G et al. Transmission characteristics of dielectric-coated hollow-core fiber in THz band[J]. High Power Laser and Particle Beams, 18, 542-544(2006).

[28] Marcatili E A J, Schmeltzer R A. Hollow metallic and dielectric waveguides for long distance optical transmission and lasers[J]. Bell System Technical Journal, 43, 1783-1809(1964).

[29] Hidaka T, Morikawa T, Shimada J. Hollow-core oxide-glass cladding optical fibers for middle‐infrared region[J]. Journal of Applied Physics, 52, 4467-4471(1981).

[30] Nagano N, Saito M, Miyagi M et al. TiO2—SiO2 based glasses for infrared hollow waveguides[J]. Applied Optics, 30, 1074-1079(1991).

[31] Putman M A, Berkoff T A, Kersey A D et al. In-line fiber étalon for strain measurement[J]. Optics Letters, 18, 1973-1975(1993).

[32] Saito Y, Kanaya T, Nomura A et al. Experimental trial of a hollow-core waveguide used as an absorption cell for concentration measurement of NH3 gas with a CO2 laser[J]. Optics Letters, 18, 2150-2152(1993).

[33] Renn M J, Montgomery D, Vdovin O et al. Laser-guided atoms in hollow-core optical fibers[J]. Physical Review Letters, 75, 3253-3256(1995).

[34] Gambling W A. The rise and rise of optical fibers[J]. IEEE Journal of Selected Topics in Quantum Electronics, 6, 1084-1093(2000).

[35] Wang J L, Li C F, Wan H D et al. Design of low-loss terahertz hollow core anti-resonant fibers[J]. Acta Optica Sinica, 45, 0106002(2025).

[36] John S. Strong localization of photons in certain disordered dielectric superlattices[J]. Physical Review Letters, 58, 2486-2489(1987).

[37] Russell P. Photonic crystal fibers[J]. Science, 299, 358-362(2003).

[38] Birks T A, Roberts P J, Russell P St J et al. Full 2-D photonic bandgaps in silica/air structures[J]. Electronics Letters, 31, 1941-1943(1995).

[39] Knight J C, Birks T A, Russell P St J et al. All-silica single-mode optical fiber with photonic crystal cladding[J]. Optics Letters, 21, 1547-1549(1996).

[40] Venkataraman N, Gallagher M T, Smith C M et al. Low loss (13 dB/km) air core photonic band-gap fibre[C], 1-2(2002).

[41] Mangan B J, Farr L, Langford A et al. Low loss (1.7 dB/km) hollow core photonic bandgap fiber[C]. 27(2004).

[42] Roberts P J, Couny F, Sabert H et al. Ultimate low loss of hollow-core photonic crystal fibres[J]. Optics Express, 13, 236-244(2005).

[43] Pennetta R, Xie S R, Lenahan F et al. Fresnel-reflection-free self-aligning nanospike interface between a step-index fiber and a hollow-core photonic-crystal-fiber gas cell[J]. Physical Review Applied, 8, 014014(2017).

[44] Shephard J D, Couny F, Russell P St J et al. Improved hollow-core photonic crystal fiber design for delivery of nanosecond pulses in laser micromachining applications[J]. Applied Optics, 44, 4582-4588(2005).

[45] Klimczak M, Dobrakowski D, Ghosh A N et al. Nested-capillary anti-resonant silica fiber with mid-infrared transmission and low bending sensitivity at 4000 nm[J]. Optics Letters, 44, 4395-4398(2019).

[46] Terrel M A, Digonnet M J F, Fan S H. Resonant fiber optic gyroscope using an air-core fiber[J]. Journal of Lightwave Technology, 30, 931-937(2012).

[47] Benabid F, Knight J C, Antonopoulos G et al. Stimulated Raman scattering in hydrogen-filled hollow-core photonic crystal fiber[J]. Science, 298, 399-402(2002).

[48] Pearce G J, Wiederhecker G S, Poulton C G et al. Models for guidance in kagome-structured hollow-core photonic crystal fibres[J]. Optics Express, 15, 12680-12685(2007).

[49] Wang Y Y, Peng X, Alharbi M et al. Design and fabrication of hollow-core photonic crystal fibers for high power fast laser beam transportation and pulse compression[J]. Proceedings of SPIE, 8269, 826907(2012).

[50] Wheeler N V, Bradley T D, Hayes J R et al. Low loss Kagome fiber in the 1 µm wavelength region[C], SoM3F.2-20(2016).

[51] Wheeler N V, Bradley T D, Hayes J R et al. Low-loss Kagome hollow-core fibers operating from the near- to the mid-IR[J]. Optics Letters, 42, 2571-2574(2017).

[52] Debord B, Maurel M, Amsanpally A et al. Ultra-low loss (8.5 dB/km @ Yb-laser wavelength range) inhibited-coupling Kagome HC-PCF for laser beam delivery applications[J]. Proceedings of SPIE, 10094, 100941M(2017).

[53] Pryamikov A D, Biriukov A S, Kosolapov A F et al. Demonstration of a waveguide regime for a silica hollow-core microstructured optical fiber with a negative curvature of the core boundary in the spectral region >35 μm[J]. Optics Express, 19, 1441-1448(2011).

[54] Février S, Beaudou B, Viale P. Understanding origin of loss in large pitch hollow-core photonic crystal fibers and their design simplification[J]. Optics Express, 18, 5142-5150(2010).

[55] Hayes J R, Sandoghchi S R, Bradley T D et al. Antiresonant hollow core fiber with an octave spanning bandwidth for short haul data communications[J]. Journal of Lightwave Technology, 35, 437-442(2017).

[56] Sakr H, Bradley T D, Hong Y et al. Ultrawide bandwidth hollow core fiber for interband short reach data transmission[C], Th4A.1-7(2019).

[57] Gu S, Wang X, Jia H Q et al. Single-ring hollow-core anti-resonant fiber with a record low loss (4.3 dB/km) for high-power laser delivery at 1 µm[J]. Optics Letters, 47, 5925-5928(2022).

[58] Mak K F, Travers J C, Joly N Y et al. Two techniques for temporal pulse compression in gas-filled hollow-core Kagomé photonic crystal fiber[J]. Optics Letters, 38, 3592-3595(2013).

[59] Debord B, Amrani F, Vincetti L et al. Hollow-core fiber technology: the rising of “gas photonics”[J]. Fibers, 7, 16(2019).

[60] Poletti F. Nested antiresonant nodeless hollow core fiber[J]. Optics Express, 22, 23807-23828(2014).

[61] Bradley T D, Hayes J R, Chen Y et al. Record low-loss 1.3 dB/km data transmitting antiresonant hollow core fibre[C], 1-3(2018).

[62] Bradley T D, Jasion G T, Hayes J R et al. Antiresonant hollow core fibre with 0.65 dB/km attenuation across the C and L telecommunication bands[C]. Ireland, 1-4(2019).

[63] Jasion G T, Bradley T D, Harrington K et al. Hollow core NANF with 0.28 dB/km attenuation in the C and L bands[C], Th4B.4-12(2020).

[64] Sato S, Kawaguchi Y, Sakuma H et al. Record low loss optical fiber with 0.1397 dB/km[C], Tu2E.1-28(2024).

[65] Sakr H, Chen Y, Jasion G T et al. Hollow core optical fibres with comparable attenuation to silica fibres between 600 and 1100 nm[J]. Nature Communications, 11, 6030(2020).

[66] Zhang X P, Zhang Y X, Wang L et al. Current status and future of research and applications for distributed fiber optic sensing technology[J]. Acta Optica Sinica, 44, 0106001(2024).

[67] Gao S F, Wang Y Y, Ding W et al. Hollow-core conjoined-tube negative-curvature fibre with ultralow loss[J]. Nature Communications, 9, 2828(2018).

[68] Chen Y, Petrovich M N, Fokoua E N et al. Hollow core DNANF optical fiber with <0.11 dB/km loss[C], Th4A.8-28(2024).

[69] Mahdiraji G A, Rzegocki J, Davidson I A et al. Bend insensitive hollow core DNANF with SMF-matching mode field diameter and 125 µm outer diameter for low loss direct interconnection in short reach applications[C], M3J.5-28(2024).

[70] Gao S F, Chen H, Sun Y Z et al. Fourfold truncated double-nested antiresonant hollow-core fiber with ultralow loss and ultrahigh mode purity[J]. Optica, 12, 56-61(2025).

[71] Cordeiro C M B, Ng A K L, Ebendorff-Heidepriem H. Ultra-simplified single-step fabrication of microstructured optical fiber[J]. Scientific Reports, 10, 9678(2020).

[72] Filipkowski A, Piechal B, Pysz D et al. Nanostructured gradient index microaxicons made by a modified stack and draw method[J]. Optics Letters, 40, 5200-5203(2015).

[73] Jasion G T, Hayes J R, Wheeler N V et al. Fabrication of tubular anti-resonant hollow core fibers: modelling, draw dynamics and process optimization[J]. Optics Express, 27, 20567-20582(2019).

[74] Murphy L R, Yerolatsitis S, Birks T A et al. Stack, seal, evacuate, draw: a method for drawing hollow-core fiber stacks under positive and negative pressure[J]. Optics Express, 30, 37303-37313(2022).

[75] Kiang K M, Frampton K, Monro T M et al. Extruded singlemode non-silica glass holey optical fibres[J]. Electronics Letters, 38, 546-547(2002).

[76] Cruz A L S, Cordeiro C M B, Franco M A R. 3D printed hollow-core terahertz fibers[J]. Fibers, 6, 43(2018).

[77] Kosolapov A F, Alagashev G K, Kolyadin A N et al. Hollow-core revolver fibre with a double-capillary reflective cladding[J]. Quantum Electronics, 46, 267-270(2016).

[78] Argyros A. Microstructured polymer optical fibers[J]. Journal of Lightwave Technology, 27, 1571-1579(2009).

[79] Luan S F, Chen S, Zhu X Y et al. In-situ background-free Raman probe using double-cladding anti-resonant hollow-core fibers[J]. Biomedical Optics Express, 15, 1709-1718(2024).

[80] Ventura A, Hayashi J G, Cimek J et al. Tellurite antiresonant hollow core microstructured fiber for mid-IR power delivery[C]. DC, JTu4A.17-19(2019).

[81] Yu F, Cann M, Brunton A et al. Single-mode solarization-free hollow-core fiber for ultraviolet pulse delivery[J]. Optics Express, 26, 10879-10887(2018).

[82] Nicholson J W, Meng L, Fini J M et al. Measuring higher-order modes in a low-loss, hollow-core, photonic-bandgap fiber[J]. Optics Express, 20, 20494-20505(2012).

[83] Slavík R, Numkam Fokoua E R, Bradley T D et al. Optical time domain backscattering of antiresonant hollow core fibers[J]. Optics Express, 30, 31310-31321(2022).

[84] Wei X H, Fokoua E N, Poletti F et al. Extraction of attenuation and backscattering coefficient along hollow-core fiber length using two-way optical time domain backscattering[J]. ACS Photonics, 11, 4076-4082(2024).

[85] Sun Y Z, Liu Q, Deng H P et al. Polarization sensitive optical side leakage radiometry for distributed characterization of anti-resonant hollow-core fibers[J]. Optics Express, 32, 8059-8068(2024).

[86] Rikimi S, Chen Y, Kelly T W et al. Internal gas composition and pressure in As-drawn hollow core optical fibers[J]. Journal of Lightwave Technology, 40, 4776-4785(2022).

[87] Mulvad H C H, Abokhamis Mousavi S, Zuba V et al. Kilowatt-average-power single-mode laser light transmission over kilometre-scale hollow-core fibre[J]. Nature Photonics, 16, 448-453(2022).

[88] Mangan B J, Zhu B Y, Puc G S et al. Low latency transmission in a hollow core fiber cable[C], STu1Q.1-14(2021).

[89] Zeisberger M, Hartung A, Schmidt M. Understanding dispersion of revolver-type anti-resonant hollow core fibers[J]. Fibers, 6, 68(2018).

[90] Saljoghei A, Qiu M, Sandoghchi S R et al. First demonstration of field-deployable low latency hollow-core cable capable of supporting >[EB/OL]. km(400). https:∥arxiv.org/abs/2106.05343v1

[91] Taranta A A, Mousavi S M A, Fokoua E N et al. Bending and temperature dependence of polarization mode dispersion in nodeless antiresonant hollow core fibers[C], SoM3F.4(1).

[92] Nespola A, Sandoghchi S R, Hooper L et al. Ultra-long-haul WDM transmission in a reduced inter-modal interference NANF hollow-core fiber[C], 6-10(2021).

[93] Nespola A, Sandoghchi S R, Hooper L et al. Ultra-long-haul WDM PM-16QAM transmission in a reduced inter-modal interference NANF[C], 1-2(2023).

[94] Hong Y, Almonacil S, Mardoyan H et al. Beyond terabit/s/λ nonlinearity-free transmission over the hollow-core fiber[J]. Journal of Lightwave Technology, 43, 6306-6312(2025).

[95] Chen H, Zhang X, Liu Z C et al. First demonstration of quasi-continuous S+C+L+ 154.5 Tbit/s coherent transmission in hollow-core anti-resonant fiber[C], 1-4(2023).

[96] Ge D W, Xiong Y F, Wu Y et al. First penalty-free real-time co-frequency co-time full-duplex optical fiber transmission with 202.1 Tb/s net capacity enabled by hollow-core 5-element NANF[C], M3J.2-28(2024).

[97] Liu X M, Li C, Liu Z C et al. 502.6 Tbit/s S C L-band transmission in anti-resonant hollow-core fiber[C], 1-4(2024).

[98] Antesberger M, Richter C M D, Poletti F et al. Distribution of telecom entangled photons through a 7.7 km antiresonant hollow-core fiber[J]. Optica Quantum, 2, 173-180(2024).

[99] Kong W W, Sun Y M, Dou T Q et al. Enhanced coexistence of quantum key distribution and classical communication over hollow-core and multi-core fibers[J]. Entropy, 26, 601(2024).

[100] Honz F, Prawits F, Alia O et al. First demonstration of 25λ×10 Gb/s C L band classical/DV-QKD co-existence over single bidirectional fiber link[J]. Journal of Lightwave Technology, 41, 3587-3593(2023).

[101] Xu Q, Gao R, Wang F et al. Joint probabilistic shaping and pre-equalization for hollow-core fiber transmission using end-to-end learning[J]. Optics Letters, 50, 1679-1682(2025).

[102] Wu Z Y, Gao R, Wang F et al. Inverse design of discrete Raman amplifiers using an invertible neural network for ultra-wideband optical transmission based on hollow core fibers[J]. Optics Express, 33, 8686-8700(2025).

[103] Palma-Vega G, Beier F, Stutzki F et al. High average power transmission through hollow-core fibers[C], ATh1A.7-8(2018).

[104] Yao J Y, Zhang X, Li B et al. High-efficiency distortion-free delivery of 3 kW continuous-wave laser using low-loss multi-mode nested hollow-core anti-resonant fiber[J]. Journal of Lightwave Technology, 42, 5710-5716(2024).

[105] Dumitrache C, Rath J, Yalin A. High power spark delivery system using hollow core Kagome lattice fibers[J]. Materials, 7, 5700-5710(2014).

[106] Zhao M, Yu F, Wu D K et al. Delivery of nanosecond laser pulses by multi-mode anti-resonant hollow core fiber at 1 µm wavelength[J]. Optics Express, 32, 17229-17238(2024).

[107] Gao S F, Wang Y Y, Ding W et al. Hollow-core negative-curvature fiber for UV guidance[J]. Optics Letters, 43, 1347-1350(2018).

[108] Lekosiotis A, Belli F, Brahms C et al. On-target delivery of intense ultrafast laser pulses through hollow-core anti-resonant fibers[J]. Optics Express, 31, 30227-30238(2023).

[109] Fu Q, Davidson I A, Jasion G T et al. Low-loss fused silica hollow-core fiber delivery of mid-infrared light at 6-μm[C], 26-30(2023).

[110] Yao J Y, Zhang X, Gu S et al. Research progress of high-power laser transmission technology based on hollow-core anti-resonant fibers (invited)[J]. Chinese Journal of Lasers, 51, 1901002(2024).

[111] Nampoothiri A V V, Jones A M, Fourcade-Dutin C et al. Hollow-core optical fiber gas lasers (HOFGLAS): a review[J]. Optical Materials Express, 2, 948-961(2012).

[112] Gladyshev A V, Kosolapov A F, Khudyakov M M et al. 4.4-μm Raman laser based on hollow-core silica fibre[J]. Quantum Electronics, 47, 491-494(2017).

[113] Jones A M, Nampoothiri A V V, Ratanavis A et al. Mid-infrared gas filled photonic crystal fiber laser based on population inversion[J]. Optics Express, 19, 2309-2316(2011).

[114] Wang Y Z, Dasa M K, Adamu A I et al. High pulse energy and quantum efficiency mid-infrared gas Raman fiber laser targeting CO2 absorption at 4.2 µm[J]. Optics Letters, 45, 1938-1941(2020).

[115] Xu M R, Yu F, Knight J. Mid-infrared 1 W hollow-core fiber gas laser source[J]. Optics Letters, 42, 4055-4058(2017).

[116] Cui Y L, Huang W, Wang Z F et al. 43 μm fiber laser in CO2-filled hollow-core silica fibers[J]. Optica, 6, 951-954(2019).

[117] Zhou Z Y, Wang Z F, Huang W et al. Towards high-power mid-IR light source tunable from 3.8 to 4.5 µm by HBr-filled hollow-core silica fibres[J]. Light: Science & Applications, 11, 15(2022).

[118] Zhou Z Y, Huang W, Cui Y L et al. 3.1 W mid-infrared fiber laser at 4.16 µm based on HBr-filled hollow-core silica fibers[J]. Optics Letters, 47, 5785-5788(2022).

[119] Shi J, Li X X, Pei W X et al. Mid-infrared pulsed fiber laser source at 4.3 µm based on a CO2-filled anti-resonant hollow-core silica fiber[J]. Optics Express, 32, 43033-43045(2024).

[120] Song W H, Wen Y, Zhang Q et al. All-fiber-structure high-power mid-infrared gas-filled hollow-core-fiber amplified spontaneous emission source[J]. Photonics Research, 13, 1137-1147(2025).