JP4472896B2 - 光伝送システムにおいてラマン利得を検出する装置 - Google Patents
光伝送システムにおいてラマン利得を検出する装置 Download PDFInfo
- Publication number
- JP4472896B2 JP4472896B2 JP2001188954A JP2001188954A JP4472896B2 JP 4472896 B2 JP4472896 B2 JP 4472896B2 JP 2001188954 A JP2001188954 A JP 2001188954A JP 2001188954 A JP2001188954 A JP 2001188954A JP 4472896 B2 JP4472896 B2 JP 4472896B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sensor
- signals
- power
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims description 29
- 238000001069 Raman spectroscopy Methods 0.000 title claims description 17
- 230000005540 biological transmission Effects 0.000 title claims description 9
- 230000000694 effects Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 2
- 230000010287 polarization Effects 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2537—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to scattering processes, e.g. Raman or Brillouin scattering
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Lasers (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/599194 | 2000-06-22 | ||
| US09/599,194 US6980740B1 (en) | 2000-06-22 | 2000-06-22 | Apparatus for detecting raman gain in an optical transmission system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002064432A JP2002064432A (ja) | 2002-02-28 |
| JP2002064432A5 JP2002064432A5 (https=) | 2008-07-17 |
| JP4472896B2 true JP4472896B2 (ja) | 2010-06-02 |
Family
ID=24398632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001188954A Expired - Fee Related JP4472896B2 (ja) | 2000-06-22 | 2001-06-22 | 光伝送システムにおいてラマン利得を検出する装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6980740B1 (https=) |
| EP (1) | EP1168684B1 (https=) |
| JP (1) | JP4472896B2 (https=) |
| CN (1) | CN1332370A (https=) |
| CA (1) | CA2344869C (https=) |
| DE (1) | DE60141556D1 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7684696B1 (en) * | 2002-07-23 | 2010-03-23 | Nortel Networks Limited | Method and apparatus for determining signal viability in optical networks |
| DE10239304A1 (de) * | 2002-08-27 | 2004-03-11 | Siemens Ag | Verfahren zur Ermittlung des Gewinnspektrums eines Raman-Verstärkers in einem WDM-Übertragungssystem |
| WO2006001229A1 (ja) * | 2004-06-23 | 2006-01-05 | Nippon Telegraph And Telephone Corporation | 線形中継器および光ファイバ通信システム |
| DE102005002195A1 (de) * | 2005-01-17 | 2006-07-27 | Siemens Ag | Verfahren und Anordnung zur Regeneration eines optischen Datensignals |
| CN115133981A (zh) * | 2021-03-26 | 2022-09-30 | 华为技术有限公司 | 校正系数确定方法、装置及光通信系统 |
| JP2026067063A (ja) * | 2024-10-08 | 2026-04-20 | 浜松ホトニクス株式会社 | 光源装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5374973A (en) * | 1993-09-21 | 1994-12-20 | Alcatel Network Systems, Inc. | Optical amplifier |
| JP3244579B2 (ja) * | 1993-12-17 | 2002-01-07 | 富士通株式会社 | 光ファイバ増幅器 |
| US5444528A (en) * | 1994-07-27 | 1995-08-22 | The Titan Corporation | Tunable spectrometer with acousto-optical tunable filter |
| JPH08264871A (ja) * | 1995-03-20 | 1996-10-11 | Fujitsu Ltd | 多波長一括光増幅装置 |
| JP2687933B2 (ja) * | 1995-06-09 | 1997-12-08 | 日本電気株式会社 | 光直接増幅器 |
| JP2871547B2 (ja) * | 1995-09-08 | 1999-03-17 | 日本電気株式会社 | 光スペクトルアナライザ装置および光増幅器の制御方法 |
| JP3422398B2 (ja) | 1995-12-07 | 2003-06-30 | 富士通株式会社 | 重心波長モニタ方法及び装置、光増幅器並びに光通信システム |
| US6072614A (en) * | 1997-08-21 | 2000-06-06 | Nortel Networks Corporation | Monitoring induced counterpropagating signals in optical communications systems |
| KR100424772B1 (ko) * | 1997-11-14 | 2004-05-17 | 삼성전자주식회사 | 광증폭기시스템 |
| US6141467A (en) * | 1998-03-18 | 2000-10-31 | Lucent Technologies Inc. | Wavelength-division-multiplexing programmable add/drop using interleave-chirped waveguide grating router |
| EP2306605B1 (en) * | 1998-07-23 | 2012-05-23 | The Furukawa Electric Co., Ltd. | Pumping unit for a Raman amplifier and Raman amplifier comprising the same |
| JP3844902B2 (ja) * | 1999-03-02 | 2006-11-15 | 富士通株式会社 | 波長多重用光増幅器及び光通信システム |
| US6088152A (en) * | 1999-03-08 | 2000-07-11 | Lucent Technologies Inc. | Optical amplifier arranged to offset Raman gain |
-
2000
- 2000-06-22 US US09/599,194 patent/US6980740B1/en not_active Expired - Lifetime
-
2001
- 2001-04-23 CA CA002344869A patent/CA2344869C/en not_active Expired - Fee Related
- 2001-06-11 EP EP01305052A patent/EP1168684B1/en not_active Expired - Lifetime
- 2001-06-11 DE DE60141556T patent/DE60141556D1/de not_active Expired - Lifetime
- 2001-06-18 CN CN01121058A patent/CN1332370A/zh active Pending
- 2001-06-22 JP JP2001188954A patent/JP4472896B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6980740B1 (en) | 2005-12-27 |
| CA2344869C (en) | 2005-09-06 |
| CA2344869A1 (en) | 2001-12-22 |
| CN1332370A (zh) | 2002-01-23 |
| EP1168684A2 (en) | 2002-01-02 |
| EP1168684B1 (en) | 2010-03-17 |
| JP2002064432A (ja) | 2002-02-28 |
| EP1168684A3 (en) | 2005-01-26 |
| DE60141556D1 (de) | 2010-04-29 |
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