发明名称 |
Multi-stage raman amplifier |
摘要 |
A Raman amplifier includes at least a first and a second optical Raman-active fiber disposed in series with each other. A first pump source is connected to the first Raman-active fiber, and is adapted for emitting and coupling into the first Raman-active fiber a first pump radiation including a first group of frequencies. A second pump source is connected to the second Raman-active fiber, and is adapted for emitting and coupling into the second Raman-active fiber a second pump radiation including a second group of frequencies. The whole of said first and second group of frequencies extends over a pump frequency range having a width of at least the 40% of the Raman shift. The minimum and the maximum frequency in each of said first and second group of frequencies differ with each other of at most the 70% of said Raman shift.
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申请公布号 |
US8300306(B2) |
申请公布日期 |
2012.10.30 |
申请号 |
US20100897456 |
申请日期 |
2010.10.04 |
申请人 |
BRAGHERI ATTILIO;PIETRA GIULIA;CORSINI RAFFAELE;CACCIOLI DANILO;GOOGLE INC. |
发明人 |
BRAGHERI ATTILIO;PIETRA GIULIA;CORSINI RAFFAELE;CACCIOLI DANILO |
分类号 |
G02F1/35;H04B10/17;H01S3/00;H01S3/067;H01S3/094;H01S3/0941;H01S3/16;H01S3/23;H01S3/30;H04B10/291 |
主分类号 |
G02F1/35 |
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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