发明授权
- 专利标题: Optical transmission system, optical multiplexing transmission system, and related peripheral techniques
- 专利标题(中): 光传输系统,光复用传输系统及相关外设技术
-
申请号: US010518申请日: 1998-01-21
-
公开(公告)号: US5991477A公开(公告)日: 1999-11-23
- 发明人: George Ishikawa , Hiroshi Nishimoto , Hiroki Ooi , Motoyoshi Sekiya , Hiroaki Tomofuji
- 申请人: George Ishikawa , Hiroshi Nishimoto , Hiroki Ooi , Motoyoshi Sekiya , Hiroaki Tomofuji
- 申请人地址: JPX Kanagawa
- 专利权人: Fujitsu Limited
- 当前专利权人: Fujitsu Limited
- 当前专利权人地址: JPX Kanagawa
- 优先权: JPX6-181013 19940802; JPX7-59295 19950317; JPX7-181929 19950718
- 主分类号: H04B10/2507
- IPC分类号: H04B10/2507 ; H04B10/071 ; H04B10/2519 ; H04B10/2525 ; H04B10/2537 ; H04B10/2563 ; H04J14/02 ; H04J14/08 ; H04L7/00 ; H04L7/027 ; H04L7/033 ; H04L7/06 ; H04Q11/00 ; H04Q11/04 ; H04B1/06
摘要:
The invention provides a technique for optimizing transmission conditions to achieve large-capacity transmission, and also provides peripheral techniques for the practical implementation of optical multiplexing that makes large-capacity transmission possible. A transmission characteristic is measured in a transmission characteristic measuring section, and control of signal light wavelength in a tunable light source, control of the amount of prechirping, control of the amount of dispersion compensation, and/or control of optical power are performed to achieve the best transmission characteristic. Wavelength dispersion is deliberately introduced by a dispersion compensator, to reduce nonlinear effects. A tunable laser is used to optimize signal light wavelength for each optical amplification repeater section. Peripheral technique, such as drift compensation, clock extraction, optical signal channel identification, clock phase stabilization, etc., are provided for the implementation of optical multiplexing.
公开/授权文献
- USD356381S Window component extrusion 公开/授权日:1995-03-14