[1] N R HECKENBER. Generation of optical phase singularities by computer-generated holograms. Optics Letters, 17, 221-223(1992).

[2] D JIA, H ZHANG, J I ZHE. Optical fiber amplifiers for space-division multiplexing. Frontiers of Optoelectronics, 5, 351-357(2012).

[3] A M YAO, M J PADGETT. Orbital angular momentum:Origins, behavior and applications. Advances in Optics and Photonics, 3, 161-204(2011).

[4] Y SHEN, G T CAMPBELL, B HAGE. Generation and interferometric analysis of high charge optical vortices. Journal of Optics, 15, 1-7(2013).

[5] J WANG, J Y YANG, I M FAZAL. Terabit free-space data transmission employing orbital angular momentum multiplexing. Nature Photonics, 6, 488-496(2012).

[6] [6] WANG J, LI S, LUO M, et al. Ndimentional multiplexing link with 1.036Pbits transmission capacity 112.6bitsHz spectral efficiency using OFDM8QAM signals over 368 WDM polmuxed 26 OAM modes[C]. IEEE European Conference on Optical Communication, 2014: 13.

[7] [7] WANG J, ZHU L, ZOU K, et al. Experimental demonstration of bital angular momentum (OAM) modes (De)multiplexing transmission in 2km fiber with Nyquist 32QAM coherent detection signals[C].Conference on Lasers ElectroOptics, 2016, SW4F: SW4F.2.

[8] J M VAUGHAN, D V WILLETTS. Temporal and interference fringe analysis of TEM_01* laser modes. Journal of the Optical Society of America, 73, 1018-1021(1983).

[9] A J LEE, Chun-yu ZHANG, T OMATSU. An intracavity, frequency-doubled self-Raman vortex laser. Optics Express, 22, 5400-5409(2014).

[10] Y LI, J DEMG, J LI. Sensitive orbital angular momentum (OAM) monitoring by using gradually changing-period phase grating in OAM-multiplexing optical communication systems. IEEE Photonics Journal, 8, 1-6(2017).

[11] M SU, J LIU, Y He. Optical orbital angular momentum demultiplexing and channel equalization by using equalizing Dammann vortex grating. Advances in Condensed Matter Physics, 2017, 1-9(2017).

[12] N YU, P GENEVENT, M A KATS. Light propagation with phase discontinuities:generalized laws of reflection and refraction. Science, 334, 333-337(2011).

[13] E KARIMI, S A SCHULZ, L I DE. Generating optical orbital angular momentum at visible wavelengths using a plasmonic metasurface. Light:Science & Applications, 3, 1-4(2014).

[14] M W BEIJIERSBERGEN, L ALLEN, H E L O VEEN. Astigmatic laser mode converters and transfer of orbital angular momentum. Optics Communications, 96, 123-132(1993).

[15] J E CURTIS, B A KOSS, D G GRITE. Dynamic holographic optical tweezers. Optics Communications, 207, 169-175(2002).

[16] F XIA, L SEKARIC, Y VLASOV. Ultracompact optical buffers on a silicon chip. Nature Photonics, 1, 65-71(2007).

[18] Yan YAN, Jian WANG, Lin ZHANG. Fiber coupler for generating orbital angular momentum modes. Optics Letters, 36, 4269-4271(2012).

[19] Shuang ZHENG, Jian WANG. On-chip orbital angular momentum modes generator and (de)multiplexer based on trench silicon waveguides. Optics Express, 25, 18492-18501(2017).

[21] K NAKAYMA, Y SHOJI, T MIZUMOTO. Single trench SiON waveguide TE-TM mode converter. IEEE Photonics Technology Letters, 24, 1310-1312(2012).

[22] J WANG, D ZHAO, J XU. High-order mode rotator on the SOI integrated platform. IEEE Photonics Journal, 8, 1-8(2016).