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

(color online) Damage ratio versus the penetration depth and the inset is the lateral straggling of the implanted hydrogen ions.