JP5512090B2 - フィードフォワード・ノイズキャンセレーションを備えた直接変調又は外部変調レーザ光伝送システム - Google Patents
フィードフォワード・ノイズキャンセレーションを備えた直接変調又は外部変調レーザ光伝送システム Download PDFInfo
- Publication number
- JP5512090B2 JP5512090B2 JP2008051203A JP2008051203A JP5512090B2 JP 5512090 B2 JP5512090 B2 JP 5512090B2 JP 2008051203 A JP2008051203 A JP 2008051203A JP 2008051203 A JP2008051203 A JP 2008051203A JP 5512090 B2 JP5512090 B2 JP 5512090B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- laser
- optical
- output
- transmitter
- 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
- 230000005540 biological transmission Effects 0.000 title claims description 36
- 230000003287 optical effect Effects 0.000 claims description 83
- 238000000034 method Methods 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 17
- 230000010363 phase shift Effects 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 description 8
- 238000012937 correction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
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- 230000005653 Brownian motion process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
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- 238000005537 brownian motion Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
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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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
-
- 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
-
- 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
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
-
- 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
- H04B10/50—Transmitters
- H04B10/58—Compensation for non-linear transmitter output
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Optical Communication System (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/701,742 | 2007-02-02 | ||
| US11/701,742 US7881621B2 (en) | 2006-03-02 | 2007-02-02 | Optical transmission system with directly modulated laser and feed forward noise cancellation |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008193709A JP2008193709A (ja) | 2008-08-21 |
| JP2008193709A5 JP2008193709A5 (https=) | 2011-03-17 |
| JP5512090B2 true JP5512090B2 (ja) | 2014-06-04 |
Family
ID=39758739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008051203A Expired - Fee Related JP5512090B2 (ja) | 2007-02-02 | 2008-02-01 | フィードフォワード・ノイズキャンセレーションを備えた直接変調又は外部変調レーザ光伝送システム |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP5512090B2 (https=) |
| KR (1) | KR20080072520A (https=) |
| CN (1) | CN101237283B (https=) |
| TW (1) | TW200835182A (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5424939B2 (ja) * | 2010-03-01 | 2014-02-26 | 日本電信電話株式会社 | 光位相雑音抑圧回路及び位相揺らぎ検出回路及び位相揺らぎ検出方法 |
| CN103575408B (zh) * | 2013-10-29 | 2017-04-12 | 桂林电子科技大学 | 光纤延迟线相位控制的相干光探测系统及方法 |
| JP6232334B2 (ja) * | 2014-04-17 | 2017-11-15 | 日本電信電話株式会社 | レーザ位相雑音低減装置 |
| CN112393692B (zh) * | 2019-08-14 | 2023-04-28 | Oppo广东移动通信有限公司 | 激光投射模组、图像采集模组、深度相机及电子设备 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8602017D0 (en) * | 1986-01-28 | 1986-03-05 | British Telecomm | Reducing fluctuations in radiation beam characteristic |
| US7848661B2 (en) * | 2005-03-15 | 2010-12-07 | Emcore Corporation | Directly modulated laser optical transmission system with phase modulation |
-
2007
- 2007-12-10 TW TW096147089A patent/TW200835182A/zh unknown
- 2007-12-27 CN CN200710307153.0A patent/CN101237283B/zh not_active Expired - Fee Related
- 2007-12-27 KR KR1020070139064A patent/KR20080072520A/ko not_active Withdrawn
-
2008
- 2008-02-01 JP JP2008051203A patent/JP5512090B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101237283B (zh) | 2016-02-24 |
| KR20080072520A (ko) | 2008-08-06 |
| JP2008193709A (ja) | 2008-08-21 |
| CN101237283A (zh) | 2008-08-06 |
| TW200835182A (en) | 2008-08-16 |
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