[1] [1] Guo Fuyuan,Li Lianhuang,Wang Minghua. Gaussian approximation for mode field distribution of dielectric planar waveguide TE0 mode [J]. Chinese J. Lasers,2008,35(2):235-239

[2] [2] Wang Pengfei,Zheng Jie,G. C. Righini. Fabricate in Cu+-Na+ ion-exchange glass waveguide with index profile of Gauss [J]. Chinese J. Lasers,2004,31(1):37-40

[3] [3] Zheng Jie,Ma Shaojie,Zhang Jiaye. Study on the properties of ion-exchange erbium doped phosphate glass waveguids [J]. Chinese J. Lasers,2002,A29(5):447-449

[4] [4] Ming Xianbing,Lu Fei,Liu Hanping et al.. Characterization of optical waveguide in ZnO crystal formed byMeV helium ion implantation [J]. Chinese J. Lasers,2009,36(2):453-457

[5] [5] Zhao Shilong,Xu Shiqing,Wang Baoling et al.. Er3+/Yb3+ codoped phosphate glass planar waveguides by Ag+-Li+ ion exchange [J]. Acta Photonica Sinica,2008,37(4):818-821

[6] [6] M. N. Weiss,R. Srivastava. Determination of ion-exchanged channel waveguide profile parameters by mode-index measurements [J]. Appl. Opt.,1995,34(3):455-458

[7] [7] D. L. Veasey,D. S. Funk,P. M. Peters et al.. Yb/Er-co-doped and Yb-doped waveguide lasers in phosphate glass [J]. J. Non-Cryst. Solids,2000,263-264:369-381

[8] [8] K. S. Chiang. Construction of refractive-index profiles of planar dielectric waveguides from the distribution of effective indexes [J]. J. Lightwave Technol.,1985,3(2):385-391