1. B. Temelkuran, S.D. Hart, G. Benoit, J.D. Joannopoulos, Y. Fink, Nature 420 (2002)
2. J.C. Knight, J. Broeng, T.A. Birks, P.St.J. Russell, Science 282 (1998)
3. H. Li, A. Mafi, A. Schülzgen, L. Li, V.L. Temyanko, N. Peyghambarian, J.V. Moloney, J. Lightwave Technol. 25, 5 (2007)
4. X. Yu, Y. Sun, G.B. Ren, P. Shum, N.Q. Ngo, Y.C. Kwok, IEEE Photonics Technol. Lett. 20, 5 (2008)
5. M.Y. Chen, H. Subbaraman, R.T. Chen, IEEE Photonics Technol. Lett. 20, 5 (2008)