TW200835182A - Directly modulated or externally modulated laser optical transmission system with feed forward noise cancellation - Google Patents
Directly modulated or externally modulated laser optical transmission system with feed forward noise cancellation Download PDFInfo
- Publication number
- TW200835182A TW200835182A TW096147089A TW96147089A TW200835182A TW 200835182 A TW200835182 A TW 200835182A TW 096147089 A TW096147089 A TW 096147089A TW 96147089 A TW96147089 A TW 96147089A TW 200835182 A TW200835182 A TW 200835182A
- Authority
- TW
- Taiwan
- Prior art keywords
- laser
- signal
- phase
- transmitter
- noise
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 62
- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 239000000835 fiber Substances 0.000 claims abstract description 23
- 239000004065 semiconductor Substances 0.000 claims description 16
- 238000001228 spectrum Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000012937 correction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005653 Brownian motion process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 238000005537 brownian motion Methods 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000006185 dispersion Substances 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
- 238000003872 feeding technique Methods 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 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
- H04B10/50—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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/701,742 US7881621B2 (en) | 2006-03-02 | 2007-02-02 | Optical transmission system with directly modulated laser and feed forward noise cancellation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200835182A true TW200835182A (en) | 2008-08-16 |
Family
ID=39758739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096147089A TW200835182A (en) | 2007-02-02 | 2007-12-10 | Directly modulated or externally modulated laser optical transmission system with feed forward noise cancellation |
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 |
| JP5512090B2 (ja) | 2014-06-04 |
| KR20080072520A (ko) | 2008-08-06 |
| JP2008193709A (ja) | 2008-08-21 |
| CN101237283A (zh) | 2008-08-06 |
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