[3] BURES J, LACROIX S, LAPIERRE J. Analyse dun coupleur bidirectionnel a fibres optiques monomodes fusionnees[J]. Applied Optics, 1983, 22(12): 1918-1922.
[4] BURNS W K, ABEBE M, VILLARRUEL C A. Parabolic model for shape of fiber taper[J]. Applied Optics, 1985, 24(17): 2753-2755.
[5] RODRIGUS J M P, MACLEAN T S M, GAZEY B K, et al. Parabolic shape of a tapered fused coupler: comparison with experiment[J]. Applied Optics, 1987, 26(9): 1578-1579.
[6] DEWYNNE J, OCKENDON J R, WILMOTT P. On a mathematical model for fiber tapering. SIAM Journal on Applied Mathematics, 1989, 49(4): 983-990.
[7] EISENMANN M, WEIDEL E. Single-mode fused biconical couplers for wavelength division multiplexing with channel spacing between 100 and 300 nm[J]. Journal of Lightwave Technology, 1988, 6(1): 113-119.
[8] BIRKS T A, LI Y W. The shape of fiber tapers [J]. Journal of Lightwave Technology, 1992, 10(4): 432-438.
[9] KENNY R P, BIRKS T A, OALLEY K P. Control of optical fiber taper shape[J]. Electronics Letters, 1991, 18(27): 1654-1656.
