Stress-Induced Versatile Tunable Long-Period Gratings in Photonic Crystal Fibers

被引：7
|
作者：
Chen, Hou-Ren [1 ,2 ]
Lin, Kuei-Huei [3 ]
Lin, Ja-Hon [4 ]
Hsieh, Wen-Feng [1 ,2 ]
机构：
[1] Natl Chiao Tung Univ, Dept Photon, Hsinchu 300, Taiwan
[2] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 300, Taiwan
[3] Taipei Municipal Univ Educ, Dept Sci, Taipei 100, Taiwan
[4] Natl Taipei Univ Technol, Dept Electroopt Engn, Taipei 106, Taiwan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2008年 / 20卷 / 17-20期
关键词：
Long-period fiber grating; mode coupling; photonic crystal fiber (PCF); tunable filter;
D O I：
10.1109/LPT.2008.928534
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report a method for generating versatile tunable long-period gratings (LPGs) in photonic crystal fibers (PCFs). The central wavelength and rejection bandwidth of LPGs can be tuned over a broad spectral range with adjustable transmission loss. Spectral fringes with uneven spacing are observed in chirped LPGs, depending on the interaction length and the amount of chirping between the two ends of the LPG, and can be removed by reducing the chirping and increasing the grating length. By utilizing a stress-induced LPG, gain flattening of an erbium-doped fiber amplifier has also been demonstrated.
引用
收藏
页码：1503 / 1505
页数：3
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