DE60045385D1 - Verfahren und einrichtung zur optischen übertragung - Google Patents
Verfahren und einrichtung zur optischen übertragungInfo
- Publication number
- DE60045385D1 DE60045385D1 DE60045385T DE60045385T DE60045385D1 DE 60045385 D1 DE60045385 D1 DE 60045385D1 DE 60045385 T DE60045385 T DE 60045385T DE 60045385 T DE60045385 T DE 60045385T DE 60045385 D1 DE60045385 D1 DE 60045385D1
- Authority
- DE
- Germany
- Prior art keywords
- optical transmission
- optical
- transmission
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
-
- 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
- H04B10/505—Laser transmitters using external 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
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5055—Laser transmitters using external modulation using a pre-coder
-
- 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
- H04B10/508—Pulse generation, e.g. generation of solitons
-
- 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
- H04B10/5162—Return-to-zero modulation schemes
-
- 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
- H04B10/54—Intensity modulation
- H04B10/541—Digital intensity or amplitude 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
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/693—Arrangements for optimizing the preamplifier in the receiver
- H04B10/6932—Bandwidth control of bit rate adaptation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Optical Communication System (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2000/007130 WO2002033921A1 (fr) | 2000-10-13 | 2000-10-13 | Procede et appareil de transmission optique |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60045385D1 true DE60045385D1 (de) | 2011-01-27 |
Family
ID=11736587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60045385T Expired - Lifetime DE60045385D1 (de) | 2000-10-13 | 2000-10-13 | Verfahren und einrichtung zur optischen übertragung |
Country Status (5)
Country | Link |
---|---|
US (1) | US7110681B1 (de) |
EP (1) | EP1233587B1 (de) |
JP (1) | JPWO2002033921A1 (de) |
DE (1) | DE60045385D1 (de) |
WO (1) | WO2002033921A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4744720B2 (ja) | 2001-05-08 | 2011-08-10 | 三菱電機株式会社 | 多値変調装置 |
US20050191059A1 (en) * | 2004-01-12 | 2005-09-01 | Clariphy | Use of low-speed components in high-speed optical fiber transceivers |
US7469106B2 (en) * | 2004-02-17 | 2008-12-23 | Nortel Networks Limited | Reference phase and amplitude estimation for coherent optical receiver |
DE102004021816A1 (de) * | 2004-04-30 | 2005-11-24 | Universität Stuttgart | Gerät und Methode zur optischen achtstufigen differentiellen Phasenumtastung (8-DPSK) |
US7720391B2 (en) * | 2005-02-25 | 2010-05-18 | Futurewei Technologies, Inc. | System and method for generating optical return-to-zero signals with alternating bi-phase shift |
KR100687753B1 (ko) * | 2005-10-19 | 2007-02-27 | 한국전자통신연구원 | Cs-rz 광신호 생성 장치 및 그 생성 방법 |
JP2008216824A (ja) | 2007-03-07 | 2008-09-18 | Nec Corp | 光強度変調装置及びその方法並びにそれを用いた光伝送システム |
WO2008146275A1 (en) * | 2007-05-28 | 2008-12-04 | Multipon Networks Ltd. | A method and apparatus for increasing the capacity of a data communication channel |
US7881618B2 (en) * | 2007-06-07 | 2011-02-01 | Huawei Technologies Co., Ltd. | System and method for m-ary phase-shifting keying modulation |
IL187836A0 (en) * | 2007-12-03 | 2008-03-20 | Eci Telecom Ltd | Technique for generating multilevel coded optical signals |
KR101430168B1 (ko) * | 2008-01-09 | 2014-08-13 | 삼성전자주식회사 | 3단계 신호를 송수신하는 광 송수신 장치 |
US9184841B2 (en) | 2013-09-06 | 2015-11-10 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Multi-level decoder with skew correction |
US8989300B1 (en) * | 2013-09-06 | 2015-03-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Multi-level coding and distortion compensation |
JP6281303B2 (ja) * | 2014-02-03 | 2018-02-21 | 富士通株式会社 | 多値強度変復調システムおよび方法 |
US9246598B2 (en) * | 2014-02-06 | 2016-01-26 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Efficient pulse amplitude modulation integrated circuit architecture and partition |
US9331188B2 (en) | 2014-09-11 | 2016-05-03 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Short-circuit protection circuits, system, and method |
US9819417B2 (en) * | 2015-01-12 | 2017-11-14 | Korea Advanced Institute Of Science And Technology | Method and apparatus for generating optical polar return-to-zero amplitude modulation signal using reflective semiconductor optical amplifier and wavelength-division-multiplexed passive optical network system using the same |
US10735231B2 (en) | 2018-12-19 | 2020-08-04 | International Business Machines Corporation | Demodulating modulated signals with artificial neural networks |
US10911155B2 (en) | 2019-04-18 | 2021-02-02 | Microsoft Technology Licensing, Llc | System for throughput increases for optical communications |
US10911152B2 (en) * | 2019-04-18 | 2021-02-02 | Microsoft Technology Licensing, Llc | Power-based decoding of data received over an optical communication path |
US10862591B1 (en) | 2019-04-18 | 2020-12-08 | Microsoft Technology Licensing, Llc | Unequal decision regions for throughput increases for optical communications |
US10873393B2 (en) | 2019-04-18 | 2020-12-22 | Microsoft Technology Licensing, Llc | Receiver training for throughput increases in optical communications |
US10998982B2 (en) | 2019-04-18 | 2021-05-04 | Microsoft Technology Licensing, Llc | Transmitter for throughput increases for optical communications |
US10897315B2 (en) * | 2019-04-18 | 2021-01-19 | Microsoft Technology Licensing, Llc | Power-based decoding of data received over an optical communication path |
US10938485B2 (en) | 2019-04-18 | 2021-03-02 | Microsoft Technology Licensing, Llc | Error control coding with dynamic ranges |
US11018776B2 (en) | 2019-04-18 | 2021-05-25 | Microsoft Technology Licensing, Llc | Power-based decoding of data received over an optical communication path |
US10951342B2 (en) | 2019-04-18 | 2021-03-16 | Microsoft Technology Licensing, Llc | Throughput increases for optical communications |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1117071B (it) | 1977-09-05 | 1986-02-10 | Cselt Centro Studi Lab Telecom | Dispositivo per trasmettere segnali multilivello su fibra ottica |
JPS572752U (de) * | 1980-06-06 | 1982-01-08 | ||
JPS572752A (en) | 1980-06-09 | 1982-01-08 | Eidai Co Ltd | Board material and its manufacture |
JPS57170652A (en) * | 1981-04-15 | 1982-10-20 | Nec Corp | Transmitting system for burst signal |
JPH0682725B2 (ja) | 1986-11-29 | 1994-10-19 | 兼松エレクトロニクス株式会社 | フラツトパツケ−ジicのリ−ドピン浮き状態検出方法 |
JPH0735473Y2 (ja) * | 1987-03-03 | 1995-08-09 | 日本電気株式会社 | 光中継器 |
JPH01223837A (ja) | 1988-03-03 | 1989-09-06 | Nec Corp | 光多値送信機 |
JPH0217745A (ja) | 1988-07-06 | 1990-01-22 | Ricoh Co Ltd | 光信号伝送方式 |
JPH02301250A (ja) | 1989-05-15 | 1990-12-13 | Fujitsu Ltd | パルス分周回路 |
JPH0514420A (ja) | 1991-07-03 | 1993-01-22 | Sharp Corp | シリアル信号伝送装置 |
JPH0514419A (ja) | 1991-07-04 | 1993-01-22 | Honda Motor Co Ltd | デ―タ伝送方法 |
FR2719175B1 (fr) * | 1994-04-20 | 1996-05-31 | Cit Alcatel | Procédé de transmission optique présentant une sensibilité réduite à la dispersion, et système de transmission pour la mise en Óoeuvre de ce procédé. |
JPH09181705A (ja) | 1995-12-25 | 1997-07-11 | Fujitsu Ltd | Rz信号を用いた波長多重光通信方法、rz信号を用いた波長多重光送信装置、及びrz信号を用いた波長多重光通信システム |
JPH1155331A (ja) | 1997-07-30 | 1999-02-26 | Fujitsu Ltd | 光ディジタル信号受信装置 |
US5969646A (en) * | 1998-03-25 | 1999-10-19 | Advanced Micro Devices, Inc. | Apparatus and method for decoding differential multi-level data with adaptive threshold control |
DE19815011A1 (de) | 1998-04-03 | 1999-10-14 | Temic Semiconductor Gmbh | Verfahren zur Übertragung von digitalen Sendesignalen |
DE69940873D1 (de) | 1998-07-29 | 2009-06-25 | Nippon Telegraph & Telephone | Optisches Übertragungssystem |
-
2000
- 2000-10-13 US US10/129,971 patent/US7110681B1/en not_active Expired - Fee Related
- 2000-10-13 WO PCT/JP2000/007130 patent/WO2002033921A1/ja active Application Filing
- 2000-10-13 EP EP00966481A patent/EP1233587B1/de not_active Expired - Lifetime
- 2000-10-13 JP JP2002536796A patent/JPWO2002033921A1/ja active Pending
- 2000-10-13 DE DE60045385T patent/DE60045385D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1233587B1 (de) | 2010-12-15 |
WO2002033921A1 (fr) | 2002-04-25 |
EP1233587A1 (de) | 2002-08-21 |
US7110681B1 (en) | 2006-09-19 |
EP1233587A4 (de) | 2005-11-09 |
JPWO2002033921A1 (ja) | 2004-03-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60045385D1 (de) | Verfahren und einrichtung zur optischen übertragung | |
DE60229678D1 (de) | Verfahren und Vorrichtung zur verschlüsselten optischen Übertragung | |
DE60112759D1 (de) | Vorrichtungen und verfahren zur datenübertragung | |
DE69832802D1 (de) | Vorrichtung und verfahren zur optischen übertragungstechnik | |
DE60119930D1 (de) | Verfahren und vorrichtung zur hochauflösenden kohärenten optischen abbildung | |
DE60213185D1 (de) | Verfahren und Vorrichtung zur Datenübertragung | |
DE60222365D1 (de) | Verfahren und vorrichtung zur datenübertragung | |
DE60117485D1 (de) | Verfahren und Vorrichtung zur Pufferverwaltung | |
DE60132586D1 (de) | Verfahren und vorrichtung zur abtastratenwandlung | |
DE60237007D1 (de) | Verfahren und vorrichtung zur kurzfristigen inspekrobustheit | |
DE60239503D1 (de) | Verfahren zur Bildinformationsübertragung und Informationserzeugungsvorrichtung | |
DE69721221D1 (de) | Verfahren und Einrichtung zur gesicherten optischen Kommunikation | |
DE69929788D1 (de) | Verfahren und vorrichtung zur diversitätsübertragung | |
DE50012519D1 (de) | Verfahren zur fahrwegvisualisierung und vorrichtung | |
DE69425000D1 (de) | Verfahren und vorrichtung zur drahtlosen optischen übertragung | |
DE60135580D1 (de) | Vorrichtung und verfahren zur optischen informationsaufzeichnung | |
DE60210888D1 (de) | Vorrichtung und Verfahren zur optischen Modulation | |
DE60125988D1 (de) | Verfahren und vorrichtung zur asynchronen berichtenübertragung | |
DE10196012T1 (de) | Verfahren und Vorrichtung zur Viskositätsmessung | |
DE60018927D1 (de) | Verfahren und Vorrichtung zur Datenpaketenübertragung | |
DE60020117D1 (de) | Verfahren und Vorrichtung zur Datenpaketenübertragung | |
DE50014710D1 (de) | Vorrichtung und verfahren zur optischen spektroskopie | |
DE60140725D1 (de) | Vorrichtung und Verfahren zur Paketübertragung | |
DE60223157D1 (de) | Verfahren und vorrichtung zur nachrichtenübertragung | |
DE60115188D1 (de) | Verfahren und Vorrichtung zur verschlüsselten Datenübermittlung |