CA2355943A1 - Method and apparatus for controlling the ratio of an output signal and an input signal - Google Patents
Method and apparatus for controlling the ratio of an output signal and an input signal Download PDFInfo
- Publication number
- CA2355943A1 CA2355943A1 CA002355943A CA2355943A CA2355943A1 CA 2355943 A1 CA2355943 A1 CA 2355943A1 CA 002355943 A CA002355943 A CA 002355943A CA 2355943 A CA2355943 A CA 2355943A CA 2355943 A1 CA2355943 A1 CA 2355943A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- amplifier unit
- input
- output
- optical
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims description 40
- 230000003287 optical effect Effects 0.000 claims description 85
- 230000003321 amplification Effects 0.000 claims description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 12
- 238000004422 calculation algorithm Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910052691 Erbium Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- -1 erbium ions Chemical class 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 235000008247 Echinochloa frumentacea Nutrition 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 240000004072 Panicum sumatrense Species 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lasers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11308398P | 1998-12-21 | 1998-12-21 | |
| US60/113,083 | 1998-12-21 | ||
| PCT/US1999/029679 WO2000038318A1 (en) | 1998-12-21 | 1999-12-14 | Method and apparatus for controlling the ratio of an output signal and an input signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2355943A1 true CA2355943A1 (en) | 2000-06-29 |
Family
ID=22347502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002355943A Abandoned CA2355943A1 (en) | 1998-12-21 | 1999-12-14 | Method and apparatus for controlling the ratio of an output signal and an input signal |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1142108A1 (zh) |
| JP (1) | JP2002533969A (zh) |
| KR (1) | KR20010101311A (zh) |
| CN (1) | CN1334988A (zh) |
| AU (1) | AU2053300A (zh) |
| BR (1) | BR9916386A (zh) |
| CA (1) | CA2355943A1 (zh) |
| RU (1) | RU2001120339A (zh) |
| TW (1) | TW461974B (zh) |
| WO (1) | WO2000038318A1 (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4603361B2 (ja) | 2002-11-01 | 2010-12-22 | 富士通株式会社 | 光増幅器の制御装置 |
| US7409197B2 (en) | 2005-03-31 | 2008-08-05 | Intel Corporation | Transceiver with receive path overload protection and method |
| JP4770344B2 (ja) * | 2005-09-12 | 2011-09-14 | 三菱電機株式会社 | 電力増幅器 |
| JP5679618B2 (ja) | 2007-05-31 | 2015-03-04 | 株式会社トリマティス | 光増幅器 |
| JP5245854B2 (ja) * | 2009-01-19 | 2013-07-24 | 富士通株式会社 | 波長多重光増幅器 |
| CN104466681B (zh) * | 2014-11-25 | 2018-12-25 | 武汉光迅科技股份有限公司 | 一种光纤放大器的串级控制系统 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3900823A (en) * | 1973-03-28 | 1975-08-19 | Nathan O Sokal | Amplifying and processing apparatus for modulated carrier signals |
| NL8103833A (nl) * | 1981-08-17 | 1983-03-16 | Philips Nv | Inrichting voor het weergeven van informatie in een spoor van een magnetische registratiedrager. |
| US4709215A (en) * | 1985-12-30 | 1987-11-24 | Hughes Aircraft Company | Traveling wave tube drive controller |
-
1999
- 1999-12-14 AU AU20533/00A patent/AU2053300A/en not_active Abandoned
- 1999-12-14 CA CA002355943A patent/CA2355943A1/en not_active Abandoned
- 1999-12-14 BR BR9916386-1A patent/BR9916386A/pt not_active Application Discontinuation
- 1999-12-14 CN CN99814683A patent/CN1334988A/zh active Pending
- 1999-12-14 JP JP2000590293A patent/JP2002533969A/ja active Pending
- 1999-12-14 EP EP99964253A patent/EP1142108A1/en not_active Withdrawn
- 1999-12-14 RU RU2001120339/09A patent/RU2001120339A/ru not_active Application Discontinuation
- 1999-12-14 KR KR1020017007824A patent/KR20010101311A/ko not_active Application Discontinuation
- 1999-12-14 WO PCT/US1999/029679 patent/WO2000038318A1/en not_active Application Discontinuation
-
2000
- 2000-01-11 TW TW089100446A patent/TW461974B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1142108A1 (en) | 2001-10-10 |
| CN1334988A (zh) | 2002-02-06 |
| TW461974B (en) | 2001-11-01 |
| BR9916386A (pt) | 2001-09-18 |
| WO2000038318A1 (en) | 2000-06-29 |
| AU2053300A (en) | 2000-07-12 |
| JP2002533969A (ja) | 2002-10-08 |
| KR20010101311A (ko) | 2001-11-14 |
| RU2001120339A (ru) | 2003-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |