[1] [1] YIN K, ZHANG B, YAO J M, et al. Highly stable, monolithic, single-mode mid-infrared supercontinuum source based on low-loss fusion spliced silica and fluoride fibers[J]. Optics Letters, 2016, 41(5): 946-949.

[2] [2] JIA L X, SONG J F, LIOW T Y, et al. Mode size converter between high-index-contrast waveguide and cleaved single mode fiber using SiON as intermediate material[J]. Optics Express, 2014, 22(19): 23652-23660.

[3] [3] SMITH R E, SULLIVAN C T, VAWTER G A, et al. Reduced coupling loss using a tapered-rib adiabatic-following fiber coupler[J]. IEEE Photonics Technology Letters, 1996, 8(8): 1052-1054.

[5] [5] MARGALIT N, XIANG C, BOWERS S M, et al. Perspective on the future of silicon photonics and electronics[J]. Applied Physics Letters, 2021, 118(22): 220501.

[7] [7] ZHANG H J, LI C, TU X G, et al. Efficient silicon nitride grating coupler with distributed Bragg reflectors[J]. Optics Express, 2014, 22(18): 21800-21805.

[8] [8] VAN LAERE F, CLAES T, SCHRAUWEN J, et al. Compact focusing grating couplers for silicon-on-insulator integrated circuits[J]. IEEE Photonics Technology Letters, 2007, 19(23): 1919-1921.

[10] [10] WEI Q Q, XIAO J, YANG D G, et al. Coupling effect between semiconductor diodes and polarization-maintaining fibers[J]. Optical Engineering, 2021, 60: 067104.

[11] [11] CHEN L, DOERR C R, CHEN Y K, et al. Low-loss and broadband cantilever couplers between standard cleaved fibers and high-index-contrast Si3N4 or Si waveguides[J]. IEEE Photonics Technology Letters, 2010, 22(23): 1744-1746.

[12] [12] WOOD M, SUN P, REANO R M. Compact cantilever couplers for low-loss fiber coupling to silicon photonic integrated circuits[J]. Optics Express, 2011, 20(1): 164.

[17] [17] OULTON R F, BARTAL G, PILE D P, et al. Confinement and propagation characteristics of subwavelength plasmonic modes[J]. New Journal of Physics, 2008, 10(10): 105018.

[18] [18] CHARBONNEAU R, SCALES C, BREUKELAAR I, et al. Passive integrated optics elements based on long-range surface plasmon polaritons[J]. Journal of Lightwave Technology, 2006, 24(1): 477-494.

[19] [19] MUNASINGHE H T, WINTERSTEIN-BECKMANN A, SCHIELE C, et al. Lead-germanate glasses and fibers: A practical alternative to tellurite for nonlinear fiber applications[J]. Optical Materials Express, 2013, 3(9): 1488.

[20] [20] AKHMANOV S A, NIKITIN S Y. Physical optics[M]. Oxford: Oxford University Press, 1997.