机译:B / Ge共掺杂光敏光纤与压感低的内部包层抑制包层模耦合
Institute of Lightwave Technology,Northern Jiaotong University,Beijing 100044,P.R.China;
Institute of Lightwave Technology,Northern Jiaotong University,Beijing 100044,P.R.China;
Fiber; Grating; Photosensitivity; Cladding mode; Coupling;