发明名称 |
WDM optical communication system |
摘要 |
The present invention relates to a WDM optical communication system comprising a structure which effectively suppresses the waveform deterioration resulting from nonlinear optical phenomena of each signal in a 1.58-mum wavelength band in an optical transmission line including a dispersion-shifted optical fiber having a zero-dispersion wavelength in a 1.55-mum wavelength band. The WDM optical communication system includes a hybrid transmission unit in which a single-mode optical fiber and a dispersion-shifted optical fiber are arranged such that signals successively pass therethrough. The single-mode optical fiber has a zero-dispersion wavelength in a 1.3-mum wavelength band and an effective area ASMF at a wavelength of 1.58 mum. The dispersion-shifted optical fiber has a zero-dispersion wavelength in the 1.55-mum wavelength band and, at a wavelength of 1.58 mum, a dispersion with an absolute value of 0.5 ps/nm/km or more and an effective area ADSF smaller than the effective area ASMF of the single-mode optical fiber.
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申请公布号 |
US6687433(B2) |
申请公布日期 |
2004.02.03 |
申请号 |
US20000726603 |
申请日期 |
2000.12.01 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
OKUNO TOSHIAKI;KAKUI MOTOKI |
分类号 |
G02B6/34;H04B10/18;H04B10/2513;H04B10/2525;(IPC1-7):G02B6/26 |
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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