標題: Widely tunable asymmetric long-period fiber grating with high sensitivity using optical polymer on laser-ablated cladding
作者: Chen, Nan-Kuang
Hsu, Der-Yi
Chi, Sien
光電工程學系
Department of Photonics
公開日期: 1-Aug-2007
摘要: We demonstrate high-efficiency, wideband-tunable, laser-ablated long-period fiber gratings that use an optical polymer overlay. Portions of the fiber cladding are periodically removed by CO2 laser pulses to induce periodic index changes for coupling the core mode into cladding modes. An optical polymer with a high thermo-optic coefficient with a dispersion distinct from that of silica is used on a deep-ablated cladding structure so that the effective indices of cladding modes become dispersive and the resonant wavelengths can be efficiently tuned. The tuning efficiency can be as high as 15.8 nm/degrees C, and the tuning range can be wider than 105 nm (1545-1650 nm). (C) 2007 Optical Society of America.
URI: http://dx.doi.org/10.1364/OL.32.002082
http://hdl.handle.net/11536/10485
ISSN: 0146-9592
DOI: 10.1364/OL.32.002082
期刊: OPTICS LETTERS
Volume: 32
Issue: 15
起始頁: 2082
結束頁: 2084
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