发明名称 |
DISPERSION COMPENSATION SYSTEM |
摘要 |
In the dispersion-compensating system of the present invention, a demultiplexer demultiplexes optical signals in a signal wavelength band of 1520 nm to 1620 nm propagating through a first common transmission line into C band (1520 nm to 1565 nm) and L band (1565 nm to 1620 nm). Then, the demultiplexer outputs the optical signals of C band into a first branched transmission line and the optical signals of L band into a second branched transmission line. A first dispersion-compensating device is provided on the first common transmission line and compensates for the dispersion in C and L bands. A second dispersion-compensating device is provided on the second branched transmission line and compensates for the dispersion in L band, which has not fully been compensated for by the first dispersion-compensating device. Hence, the dispersion of optical transmission line can fully be reduced in a wide signal light wavelength band. <IMAGE> |
申请公布号 |
EP1202479(A4) |
申请公布日期 |
2004.05.19 |
申请号 |
EP20000946407 |
申请日期 |
2000.07.19 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
TSUKITANI, MASAO;SASAOKA, EISUKE;OKUNO, TOSHIAKI |
分类号 |
G02B6/34;H04B10/17;H04B10/18;(IPC1-7):H04B10/18;H04J14/02;G02B6/00 |
主分类号 |
G02B6/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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