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S-Band Gain-Flattened Double-Pass Discrete Fibre Raman Amplifiers Using Mechanically Induced Long-Period Fibre Gratings 被引量：1

S-Band Gain-Flattened Double-Pass Discrete Fibre Raman Amplifiers Using Mechanically Induced Long-Period Fibre Gratings
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摘要 We experimentally demonstrate an S-band double-pass （DP） discrete fibre Raman amplifier （FRA） gain-flattened by using a mechanically induced long-period fibre grating （LPFG）. Due to a photo-elastic effect in the fibre and its peak loss, the wavelength and depth of the mechanically induced LPFG are continuously regulated by varying the pressures, the angle of the fibre on the graphite rods which are used to produce the periodical pressures along the fibre, the number and the diameter of the graphite rods. Using this gain flattening filter, the gain profile of the DP-FRA is flattened to within ±0.8 dB in the wavelength range from 1485 nm to 1525 nm. We experimentally demonstrate an S-band double-pass （DP） discrete fibre Raman amplifier （FRA） gain-flattened by using a mechanically induced long-period fibre grating （LPFG）. Due to a photo-elastic effect in the fibre and its peak loss, the wavelength and depth of the mechanically induced LPFG are continuously regulated by varying the pressures, the angle of the fibre on the graphite rods which are used to produce the periodical pressures along the fibre, the number and the diameter of the graphite rods. Using this gain flattening filter, the gain profile of the DP-FRA is flattened to within ±0.8 dB in the wavelength range from 1485 nm to 1525 nm.
作者 李勇男 吕福云 范宇 王新伟 魏岱
机构地区 Institute of Physics
出处 《Chinese Physics Letters》 SCIE CAS CSCD 2006年第4期842-844,共3页 中国物理快报（英文版）
关键词 DESIGN DESIGN
分类号 O43 [机械工程—光学工程]
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参考文献11

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同被引文献10

  • 1王新伟,张振宇,庄怀轩,盛秋琴.Spectral Characteristics of Mechanically Induced Long-Period Fibre Gratings by New Double-Layer Grating Templates[J].Chinese Physics Letters,2005,22(8):1951-1954. 被引量：2
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Chinese Physics Letters
2006年 第4期

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