| Dispersion Compensators Based on Overlaped Linearly Chirped Fiber Gratings for DWDM Systems |
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| 作者姓名： | LI Tangjun Ning Tigang WANG Muguang JIAN Shuisheng |
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| 作者单位： | Institute of Lightwave Technology，Northern Jiaotong University，Beijing 100044，China |
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| 基金项目： | theNationalNaturalScienceFoundationofChina (No.6 990 70 0 1) |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ ＴｈｅｒｅｉｓａｇｒｅａｔｄｅａｌｏｆｉｎｔｅｒｅｓｔｉｎｆｉｂｅｒＢｒａｇｇｇｒａｔｉｎｇｓｄｕｅｔｏｔｈｅｉｒｍａｎｙｉｍｐｏｒｔａｎｔａｐｐｌｉｃａｔｉｏｎｓｉｎｔｈｅｆｉｅｌｄｏｆｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓａｎｄｆｉｂｅｒｓｅｎｓｏｒｓ .ＢｅｃａｕｓｅｆｉｂｅｒＢｒａｇｇｇｒａｔｉｎｇｓｅｘｈｉｂｉｔｄｉｓｐｅｒｓｉｏｎｂｏｔｈｉｎｒｅｆｌｅｃｔｉｏｎ ,ｅｓｐｅｃｉａｌｌｙｗｈｅｎｔｈｅ ｇｒａｔｉｎｇｉｓｃｈｉｒｐｅｄ1] ,ａｎｄｉｎｔｒａｎｓｍ…
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| 收稿时间： | 2000/12/15 |
Dispersion Compensators Based on Overlaped Linearly Chirped Fiber Gratings for DWDM Systems |
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| LI Tangjun,Ning Tigang,WANG Muguang,JIAN Shuisheng.Dispersion Compensators Based on Overlaped Linearly Chirped Fiber Gratings for DWDM Systems[J].中国激光(英文版),2001,10(6):417-421. |
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| Authors: | LI Tangjun Ning Tigang WANG Muguang JIAN Shuisheng |
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| Abstract: | By introducing a convergent lens in the phase mask setup and by tilting appropriately the fiber from the phase mask, a linearly chirped fiber grating with an appropriate chirp can be obtained conveniently. Using this method, two groups of fiber gratings, each of them is composed of 8 overlaped linearly chirped fiber gratings but with different center reflection wavelength separations (～0.8 nm and ～1.6 nm, respectively) are fabricated. Experimental results show that, the compensators based on the two groups of fiber gratings can be used to compensate for the dispersion of 8×2.5 Gb/s transmission over 100 km of standard single-mode fiber for multiple channels in optical time-division multiplexing (OTDM) and densed wavelength division multiplexing (DWDM). |
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| Keywords: | fiber grating OTDM DWDM |
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