[1] [1] Yongmin Jung, Gilberto Brambilla, David J Richardson. Optical microfiber coupler for broadband single-mode operation[J]. Opt Express, 2009, 17(7): 5273-5278.

[2] [2] Ming Ding, Pengfei Wang, Gilberto Brambilla. Fast-response high-temperature microfiber coupler tip thermometer[J]. Photonics Technology Letters, 2012, 24(14): 1209-1211.

[3] [3] Ming Ding, Pengfei Wang, Gilberto Brambilla. A microfiber coupler tip ther-mometer[J]. Opt Express, 2012, 20(5): 5402-5408.

[4] [4] Lin Bo, Pengfei Wang, Yuliya Semenova, et al.. High sensitivity fiber refractometer based on an optical microfiber coupler[J]. Photonics Technology Letters, 2013, 25(3): 228-230.

[5] [5] K Huang, S Yang, L Tong. Modeling of evanescent coupling between two parallel optical nanowires[J]. Appl Opt, 2007, 46(9): 1429-1434.

[6] [6] G Brambilla, F Xu, X Feng. Fabrication of optical fibre nanowires and their optical and mechanical characterization[J]. Electronics Lett, 2006, 42(9): 517-519.

[7] [7] F P Payne, C D Hussey, M S Yataki. Polarisation analysis of strongly fused and weakly fused tapered couplers[J]. Electronics Lett, 1985, 21(13): 561-563.

[8] [8] Limin Tong, Jingyi Lou, Eric Mazur. Single-mode guiding properties of subwavelength-diameter silica and silicon wire waveguides [J]. Opt Express, 2004, 12(6): 1025-1035.

[9] [9] M K Davis, M J F Digonnet, Richard H Pantell. Thermal effects in doped fibers[J]. Journal of Lightwave Technology, 1998, 16(6): 1013-1023.

[10] [10] M J F Digonnet, R W Sadowski, H J Shaw, et al.. Resonantly enhanced nonlinearity in doped fibers for low- power all-optical switching: a review[J]. Optical Fiber Technology, 1997, 3(1): 44-64.

[11] [11] Zhangqi Song, Yang Yu, Xueliang Zhang, et al.. All-optical phase modulator based on optical microfiber[J]. Chin Opt Lett, 2014, 3(1): 44-64

[12] [12] Yang Yu, Xueliang Zhang, Zhangqi Song, et al.. Investigation on an all-optical modulator based on an optical microfiber coupler[C]. IPTA 2014, 2014(5).