JP6051483B2 - 光増幅器 - Google Patents
光増幅器 Download PDFInfo
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- JP6051483B2 JP6051483B2 JP2011064945A JP2011064945A JP6051483B2 JP 6051483 B2 JP6051483 B2 JP 6051483B2 JP 2011064945 A JP2011064945 A JP 2011064945A JP 2011064945 A JP2011064945 A JP 2011064945A JP 6051483 B2 JP6051483 B2 JP 6051483B2
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- Prior art keywords
- optical
- input
- light intensity
- gain
- optical amplifier
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- 230000003287 optical effect Effects 0.000 title claims description 90
- 230000003321 amplification Effects 0.000 claims description 26
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 26
- 238000012544 monitoring process Methods 0.000 claims description 11
- 230000005284 excitation Effects 0.000 description 14
- 230000001052 transient effect Effects 0.000 description 13
- 230000004044 response Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Description
図5は、従来技術と本発明での入力光強度に対するゲイン比較を示している。
2 出力光
3 モニタ手段
4 TAP−PD
5 TIA
6 光増幅手段
7 光増幅媒体
8 PUMP−LD
9 PUMP−LD駆動回路
10 制御手段
Claims (3)
- 少なくとも入力モニタ手段と、光増幅手段と、前記入力モニタ手段を利用して、前記光増幅手段の増幅制御を行うための制御手段を含む光増幅器であって、前記光増幅手段をフィードフォワード制御する手段(フィードフォワード手段)を含み、前記制御手段が、ローレベルの入力光強度と、ハイレベルの入力光強度とに応じた利得制御を行うとともに、前記ローレベルの入力光強度のゲインと、前記ハイレベルの入力光強度のゲインとを同一ゲインにするように制御することを特徴とする光増幅器。
- 前記制御手段に乗算器と、加算器とを含むことを特徴とする請求項1に記載の光増幅器。
- 前記制御手段に乗算器と、加算器と、FIRフィルタを含むことを特徴とする請求項1または請求項2のいずれかに記載の光増幅器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011064945A JP6051483B2 (ja) | 2011-03-05 | 2011-03-05 | 光増幅器 |
Applications Claiming Priority (1)
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JP2011064945A JP6051483B2 (ja) | 2011-03-05 | 2011-03-05 | 光増幅器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012186433A JP2012186433A (ja) | 2012-09-27 |
JP6051483B2 true JP6051483B2 (ja) | 2016-12-27 |
Family
ID=47016196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011064945A Active JP6051483B2 (ja) | 2011-03-05 | 2011-03-05 | 光増幅器 |
Country Status (1)
Country | Link |
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JP (1) | JP6051483B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017149712A1 (ja) * | 2016-03-02 | 2017-09-08 | ギガフォトン株式会社 | レーザ装置及び極端紫外光生成システム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0567032U (ja) * | 1991-12-17 | 1993-09-03 | 日立電線株式会社 | 光増幅装置および光受信装置 |
JP3317834B2 (ja) * | 1996-01-18 | 2002-08-26 | 日本電気株式会社 | 光送信回路 |
JPH1022556A (ja) * | 1996-07-03 | 1998-01-23 | Nippon Telegr & Teleph Corp <Ntt> | 光利得制御型光増幅器 |
JPH1051395A (ja) * | 1996-08-01 | 1998-02-20 | Oki Electric Ind Co Ltd | 光ファイバ増幅装置 |
US6366393B1 (en) * | 1999-08-25 | 2002-04-02 | Lucent Technologies Inc. | Fast gain control for optical amplifiers |
JP2001284689A (ja) * | 2000-04-04 | 2001-10-12 | Nippon Telegr & Teleph Corp <Ntt> | 光増幅器 |
US7061668B2 (en) * | 2002-03-21 | 2006-06-13 | Siemens Communications Inc. | Fast optical amplifier control circuit |
JP2008271073A (ja) * | 2007-04-19 | 2008-11-06 | Nippon Telegr & Teleph Corp <Ntt> | 分散補償方法、光受信器および分散補償回路 |
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2011
- 2011-03-05 JP JP2011064945A patent/JP6051483B2/ja active Active
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Publication number | Publication date |
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JP2012186433A (ja) | 2012-09-27 |
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