An original arrangement of air-holes and pure silica is proposed to design ultra broadband fibre couplers. Very high energy transferred superior to 92% on more than 700 nm is demonstrated.
Ming-Yang Chen张永康 Yongkang Zhang祝远锋 Yuanfeng Zhu佟艳群 Yanqun Tong周骏 and Jun Zhou
王立文 Wang Liwen娄淑琴 Lou Shuqin陈卫国 Chen Weiguo鹿文亮 Lu Wenliang王欣 Wang Xin
B.J. ManganJ. C. KnightT.A. BirksP.St.J. Russell
B. J. ManganJ. C. KnightT. A. BirksP. St. J. Russell