摘要
Fibre Bragg gratings （FBGs） are inscribed in homemade microstructured fibres by the standard phase mask method. Enhanced couplings between the forward fundamental mode and backward cladding modes are obtained. The mode coupling and spectral characteristics are investigated experimentally. The cladding mode resonances can be affected by filling active materials into the air holes, which will be useful for the implementation of tunable photonic devices in optical fibre communication and sensing systems.
Fibre Bragg gratings （FBGs） are inscribed in homemade microstructured fibres by the standard phase mask method. Enhanced couplings between the forward fundamental mode and backward cladding modes are obtained. The mode coupling and spectral characteristics are investigated experimentally. The cladding mode resonances can be affected by filling active materials into the air holes, which will be useful for the implementation of tunable photonic devices in optical fibre communication and sensing systems.
基金
Supported by the National Key Basic Research Programme of China under Grant Nos 2003CB314906 and 2003CB314905, the National High-Technology Programme of China under Grant No 2006AA01Z217, the Tianjin Natural Science Foundation under Grant No 06YFJZJC00300, and the 0pen Research Fund of Key Laboratory of 0pto-Electronic Information Science and Technology （Ministry of Education） in Nankai University
