Guiding properties of proton-implanted Nd3+-doped phosphate glass waveguides
Zhu Qi-Feng1, Wang Yue1, Shen Jian-Ping1, Guo Hai-Tao2, Liu Chun-Xiao1, †
       

Relative intensity of light as a function of effective refractive index for (a) unimplanted and (b) implanted Nd3+-doped phosphate glasses.