发明授权
- 专利标题： Optical spectral shaping for nonlinearity enhancement in high speed digital coherent optical transmissions
- 专利标题（中）： 用于高速数字相干光传输中非线性增强的光谱整形
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申请号： US13654960申请日： 2012-10-18
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公开(公告)号： US09337923B2公开(公告)日： 2016-05-10
- 发明人: Lei Xu , Shaoliang Zhang , Fatih Yaman , Ting Wang , Yoshihisa Inada , Takaaki Ogata , Yasuhiro Aoki
- 申请人： NEC Laboratories America, Inc. , NEC Corporation
- 申请人地址： JP
- 专利权人： NEC Corporation
- 当前专利权人： NEC Corporation
- 当前专利权人地址： JP
- 代理商 Joseph Kolodka
- 主分类号： H04B10/12
- IPC分类号： H04B10/12 ; H04B10/00 ; H04B10/04 ; H04B10/079 ; H04B10/2507 ; H04B10/07 ; H04B10/2543
摘要：
A method includes evaluating an optical signal spectrum for estimated filtering parameters of an optical spectral filtering device for shaping optical signal spectrum, determining a feedback for fine tuning the optical spectral filtering device for nonlinearity tolerance enhancement in the optical transmission system, responsive to received optical signal quality in the optical signal spectrum; and using the feedback to adjust said optical spectral filtering device for predetermined shaping and predetermined fiber nonlinearity tolerance in the optical transmission system.