Design of flat-top comb filter based on photonic crystal fiber Sagnac loop

被引：0
|
作者：
Wang, Xude [1 ]
Li, Suwen [1 ]
机构：
[1] Huaibei Normal Univ, Sch Phys & Elect Informat, Huaibei, Anhui, Peoples R China
来源：
PASSIVE COMPONENTS AND FIBER-BASED DEVICES VIII | 2011年 / 8307卷
关键词：
comb filter; photonic crystal fiber; fiber loop mirror; birefringence; interference; Jones matrix; fiber optics communication; BIREFRINGENCE; MIRROR; LASER;
D O I：
暂无
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：
A novel all-fiber flat-top comb filter is proposed based on Sagnac loop interferometer of photonic crystal fiber (PCF). The transmission function of the proposed Sagnac loop filter is expressed theoretically by Jones transmit-matrix. The influences of birefringence of PCF, the lengths of two sections of PCFs and the rotatable angle of polarization controllers on its output spectra are numerically studied. On the basis of theoretical analysis, a wavelength switchable comb filter with flat-top spectral response is realized. This kind of filter can be expected to be used widely in DWDM systems in the future.
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页数：7
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