[1] BALLATO J, HAWKINS T, FOY P et al. Advancements in semiconductor core optical fiber[J]. Optical Fiber Technology, 16, 399-408(2010).

[2] SOREF R. Mid-infrared photonics in silicon and germanium[J]. Nature Photonics, 4, 495-497(2010).

[3] MEHTA P, KRISHNAMURTHI M, HEALY N et al. Mid-infrared transmission properties of amorphous germanium optical fibers[J]. Applied Physics Letters, 97, 071117(2010).

[4] GAN Fuxi. Development of optical fiber communication in the middle IR wavelength region (2~5 μm)[J]. Journal Infrared Millimeter and Waves, 10, 415-426(1991).

[5] HON N K, SOREF R, JALALI B. The third-order nonlinear optical coefficients of Si, Ge, and Si1-x Ge x in the midwave and longwave infrared[J]. Journal of Applied Physics, 110, 011301(2011).

[6] GUO Rongxiang, GAO Haoran, CHENG Zhenzhou et al. Advances on mid-infrared germanium integrated photonics[J]. Chinese Journal of Lasers, 48, 1901002(2021).

[7] CHAUDHURI S, SHEN L, HEALY N et al. Hydrogenated amorphous germanium optical fiber[C], NT2C.4(2015).

[8] ABOURADDY A F, BAYINDIR M, BENOIT G et al. Towards multimaterial multifunctional fibres that see, hear, sense and communicate[J]. Nature Materials, 6, 336-347(2007).

[9] ZHANG T, LI K, ZHANG J et al. High-performance, flexible, and ultralong crystalline Thermo- electric fibers[J]. Nano Energy, 41, 35-42(2017).

[10] ZHANG J, ZHANG T, ZHANG H et al. Single-crystal SnSe thermoelectric fibers via laser-induced directional crystallization: from 1D fibers to multidimensional fabrics[J]. Advanced Materials, 32, e2002702(2020).

[11] ZHANG T, WANG Z, SRINIVASAN B et al. Ultraflexible glassy semiconductor fibers for thermal sensing and positioning[J]. ACS Applied Materials & Interfaces, 11, 2441-2447(2019).

[12] TSUI H C L, HEALY N. Recent progress of semiconductor optoelectronic fibers[J]. Frontiers of Optoelectronics, 14, 383-398(2021).

[13] BALLATO J, HAWKINS T, FOY P et al. Glass-clad single-crystal germanium optical fiber[J]. Optics Express, 17, 8029-8035(2009).

[14] BO X Z, YAO N, SHIEH S R et al. Large-grain polycrystalline silicon films with low intra-granular defect density by low-temperature solid-phase crystallization without underlying oxide[J]. Journal of Applied Physics, 91, 2910-2915(2002).

[15] JI X Y, PAGE R L, CHAUDHURI S et al. Single-crystal germanium core optoelectronic fibers[J]. Advanced Optical Materials, 5, 1600592(2016).

[16] COUCHERON D A, FOKINE M, PATIL N et al. Laser recrystallization and inscription of compositional microstructures in crystalline SiGe-core fibers[J]. Nature Communications, 7, 13265(2016).

[17] CHEN H, FAN S Y, LI G R et al. Single crystal Ge core fiber produced via pressure assisted melt filling and CO2 laser crystallization[J]. IEEE Photonics Technology Letters, 32, 81-84(2020).

[18] JI W, ZHAO B, OZAKI Y. Semiconductor materials in analytical applications of surface-enhanced Raman scattering[J]. Journal of Raman Spectroscopy, 47, 51-58(2016).

[19] ZHAO Z, ZHANG J, WANG S et al. CO2 laser annealing of Ge core fibers with different core diameters[J]. Optical Fiber Technology, 66, 102645(2021).

[20] ÖZIŞIK M N[M]. Heat conduction(1993).

[21] SIEGEL R, HOWELL J R[M]. Thermal radiation heat transfer(1981).

[22] YANG S T, MATTHEWS M J, ELHADJ S et al. Comparing the use of mid-infrared versus far-infrared lasers for mitigating damage growth on fused silica[J]. Applied Optics, 49, 2606-2616(2010).