T. A. Birks, J. C. Knight, T. E. Dimmick, "High-resolution measurement of the fiber diameter variations using whispering gallery modes and no optical alignment," IEEE Photon. Technol. Lett. 12, 182-183 (2000).
M. A. McHenry, D. C. Chang, "Coupled-mode theory of two nonparallel dielectric waveguides," IEEE Trans. Microw. Theory Tech. MTT-32, 1469-1475 (1984).
N. K. Uzunoglu, P. A. Mandis, "Analysis of the coupling of two non-parallel dielectric rod waveguides," Int. J. Infr. Millim. Waves 8, 535-547 (1987).
C. N. Capsalis, N. K. Uzunoglu, "Coupled wave propagation in closely spaced dielectric rod waveguides," Int. J. Infrared Millim. Waves 7, 813-831 (1986).
A. W. Snyder, A. Ankiewicz, "Optical fiber couplers—Optimum solution for unequal cores," J. Lightw. Technol. 6, 463-474 (1988).
P. D. McIntyre, A. W. Snyder, "Power transfer between nonparallel and tapered optical fibers," J. Opt. Soc. Amer. 64, 285-288 (1974).
A. L. Jones, "Coupling of optical fibers and scattering in fibers," J. Opt. Soc. Amer. 55, 261-271 (1965).
W. Wijngaard, "Guided normal modes of two parallel circular dielectric rods," J. Opt. Soc. Amer. 63, 944-950 (1973).
I. D. Chremmos, N. K. Uzunoglu, "Integral equation analysis of scattering by a spherical microparticle coupled to a subwavelength-diameter wire waveguide," J. Opt. Soc. Amer. A, Opt. Image Sci. 23, 461-467 (2006).
J. A. Lock, "Scattering of a diagonally incident focused Gaussian beam by an infinitely long homogeneous circular cylinder," J. Opt. Soc. Amer. A, Opt. Image Sci. 14, 640-652 (1997).
J. P. Barton, "Internal and near-surface electromagnetic fields for an infinite cylinder illuminated by an arbitrary focused beam," J. Opt. Soc. Amer. A, Opt. Image Sci. 16, 160-166 (1999).
N. K. Uzunoglu, "Scattering from inhomogeneities inside a fiber waveguide," J. Opt. Soc. Amer. A, Opt. Image Sci. 71, 259-273 (1981).
I. D. Chremmos, N. K. Uzunoglu, "Transformation of radially traveling cylindrical waves between two skew cylindrical coordinate systems," J. Opt. Soc. Amer. A, Opt. Image Sci. 23, 1884-1888 (2006).
C. J. Barrelet, A. B. Greytak, C. M. Lieber, "Nanowire photonic circuit elements," Nano Lett. 4, 1981-1985 (2004).
L. M. Tong, R. R. Gattass, J. B. Ashcom, S. L. He, J. Y. Lou, M. Y. Shen, I. Maxwell, E. Mazur, "Subwavelength-diameter silica wires for low-loss optical wave guiding," Nature 426, 816-819 (2003).
R. Vanclooster, P. Phariseau, "The coupling of two parallel dielectric fibers: Basic equations," Physica 47, 485-500 (1970).
M. Law, D. J. Sirbuly, J. C. Johnson, J. Goldberger, R. J. Saykally, P. Yang, "Nanoribbon waveguides for subwavelength photonics integration," Science 305, 1269-1273 (2004).
R. Courant, D. Hilbert, Methods of Mathematical Physics (Wiley, 1989).
C. T. Tai, Dyadic Green Functions in Electromagnetic Theory (IEEE Press, 1994).
M. Abramowitz, I. Stegun, Handbook of Mathematical Functions (Dover, 1972).
R. E. Collin, Field Theory of Guided Waves (McGraw-Hill, 1960).
R. F. Harrington, Field Computation by Moment Methods (Macmillan, 1983).