Acta Optica Sinica, Volume. 19, Issue 3, 369(1999)
Analysis of Guided-to-Cladding Mode Coupling by Long-Period Fiber Gratings
Considering the cladding modes as far from cut off, the intermodal coupling between guided and cladding modes by long-period fiber gratings is analysed using coupled modes theory, and compared with that of short-period fiber gratings. It is pointed out that the properties of long period fiber grating are related to its phase matching condition. Computation results show good consistent with experiments.
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[in Chinese], [in Chinese], [in Chinese]. Analysis of Guided-to-Cladding Mode Coupling by Long-Period Fiber Gratings[J]. Acta Optica Sinica, 1999, 19(3): 369