Acta Photonica Sinica
• Optical Communications •
Yu Zhihui;Yu Chongxiu;Wu Qiang;Wang Xu;Wang Kuiru
By theoretic analysis of the interleaved sampled fiber Bragg gratings (ISFBG),the refractive index modulation expression of the ISFBG is deduced.It shows that the ISFBG can be equivalent to a conventional sample fiber Bragg grating.The interleaving technique makes it available that low refractive index modulation results in more channels with almost identical reflectivity.For the first time,two SFBG are interleaved in a fiber and a 10channels dispersion compensator is fabricated with almost identical reflectivity.The group time delay ripples of each channel are almost less than 20 ps.
Fiber Bragg ratings,
Group time delay,
Yu Zhihui;Yu Chongxiu;Wu Qiang;Wang Xu;Wang Kuiru. Multichannel Dispersion Compensator Fabricated by Interleaving Several Sampled Fiber Bragg Gratings[J]. Acta Photonica Sinica.
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