发明授权
- 专利标题： Wide bandwidth Raman amplifier employing a pump unit generating a plurality of wavelengths
- 专利标题（中）： 宽带宽拉曼放大器采用产生多个波长的泵单元
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申请号： US09030994申请日： 1998-02-26
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公开(公告)号： US06320884B1公开(公告)日： 2001-11-20
- 发明人: Franklin W. Kerfoot, III , Howard Kidorf , Xiaobing Ma , Karsten Rottwitt
- 申请人： Franklin W. Kerfoot, III , Howard Kidorf , Xiaobing Ma , Karsten Rottwitt
- 主分类号： H01S330
- IPC分类号： H01S330
摘要：
A Raman amplifier is provided that includes at least a portion of optical fiber in which an optical signal travels. The optical fiber portion may encompass all or part of the optical transmission path of an optical communication system. A pump energy unit is provided that includes first and second pump sources providing pump power at first and second wavelengths, respectively. The first and second wavelengths generate first and second gain profiles in the optical fiber portion. The first and second gain profiles overlap in wavelength. An optical coupler couples the pump power to the optical fiber portion. Since the gain profiles overlap, the Raman amplifier has a greater bandwidth than can be achieved with a pump operating at a single wavelength.
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