CN100502274C - 色散受控光通信系统中的远程传输 - Google Patents
色散受控光通信系统中的远程传输 Download PDFInfo
- Publication number
- CN100502274C CN100502274C CNB021203474A CN02120347A CN100502274C CN 100502274 C CN100502274 C CN 100502274C CN B021203474 A CNB021203474 A CN B021203474A CN 02120347 A CN02120347 A CN 02120347A CN 100502274 C CN100502274 C CN 100502274C
- Authority
- CN
- China
- Prior art keywords
- dispersion
- equipment
- phase
- transmission
- light
- 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 abstract description 47
- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 238000004891 communication Methods 0.000 title claims description 11
- 239000006185 dispersion Substances 0.000 claims abstract description 61
- 230000010363 phase shift Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims description 19
- 229910013641 LiNbO 3 Inorganic materials 0.000 claims description 6
- 238000001069 Raman spectroscopy Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims 2
- 229910052691 Erbium Inorganic materials 0.000 claims 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims 1
- 230000011664 signaling Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000005684 electric field Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
-
- 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
- H04B10/548—Phase or frequency modulation
- H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
- H04B10/5561—Digital phase modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29985801P | 2001-06-21 | 2001-06-21 | |
| US60/299,858 | 2001-06-21 | ||
| US09/990,964 | 2001-11-21 | ||
| US09/990,964 US20030007216A1 (en) | 2001-06-21 | 2001-11-21 | Long haul transmission in a dispersion managed optical communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1394027A CN1394027A (zh) | 2003-01-29 |
| CN100502274C true CN100502274C (zh) | 2009-06-17 |
Family
ID=26971439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021203474A Expired - Fee Related CN100502274C (zh) | 2001-06-21 | 2002-05-23 | 色散受控光通信系统中的远程传输 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20030007216A1 (https=) |
| JP (1) | JP2003060580A (https=) |
| CN (1) | CN100502274C (https=) |
| CA (1) | CA2384234A1 (https=) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040161245A1 (en) * | 1996-12-20 | 2004-08-19 | Bergano Neal S. | Synchronous amplitude modulation for improved performance of optical transmission systems |
| US6556326B2 (en) * | 1996-12-20 | 2003-04-29 | Tyco Telecommunications (Us) Inc. | Synchronous amplitude modulation for improved performance of optical transmission systems |
| US7224906B2 (en) * | 2000-09-26 | 2007-05-29 | Celight, Inc. | Method and system for mitigating nonlinear transmission impairments in fiber-optic communications systems |
| US7272271B2 (en) * | 2001-09-26 | 2007-09-18 | Celight, Inc. | Electro-optical integrated transmitter chip for arbitrary quadrature modulation of optical signals |
| US20040057734A1 (en) * | 2002-09-25 | 2004-03-25 | Lucent Technologies, Inc. | Method and system for reducing transmission penalties associated with ghost pulses |
| US7362977B2 (en) * | 2002-09-30 | 2008-04-22 | Lucent Technologies Inc. | Method for reduction of non-linear intra-channel distortions |
| US7260330B2 (en) * | 2002-11-04 | 2007-08-21 | The Boeing Company | Optical communication system using correlation receiver |
| US7369778B2 (en) * | 2002-12-30 | 2008-05-06 | Lucent Technologies Inc. | Dispersion compensation method and apparatus |
| US7254325B2 (en) * | 2003-05-06 | 2007-08-07 | Fujitsu Limited | Method and system for optical performance monitoring |
| US7450863B2 (en) * | 2003-06-18 | 2008-11-11 | Lucent Technologies Inc. | Optical receiver for wavelength-division-multiplexed signals |
| US7349636B2 (en) * | 2003-12-11 | 2008-03-25 | Mario Zitelli | Optical phase and intensity modulation with improved transmitters |
| KR100592878B1 (ko) * | 2003-12-18 | 2006-06-23 | 한국전자통신연구원 | 전기적으로 대역 제한된 광학적 디피에스케이(dpsk)변조 장치 및 방법 |
| AU2003299358A1 (en) * | 2003-12-19 | 2005-08-03 | France Telecom S.A. | All-optical converter |
| US7844186B2 (en) * | 2004-02-20 | 2010-11-30 | Alcatel-Lucent Usa Inc. | Method and apparatus for optical transmission |
| US7346283B2 (en) * | 2004-06-30 | 2008-03-18 | Lucent Technologies Inc. | Method and apparatus for CRZ-DQPSK optical signal generation |
| US7421204B2 (en) * | 2004-09-02 | 2008-09-02 | Lucent Technologies Inc. | Method and system for increasing the spectral efficiency of binary coded digital signals |
| US20060067704A1 (en) * | 2004-09-30 | 2006-03-30 | Fishman Daniel A | Method and apparatus for dispersion management in optical communication systems |
| US20060088321A1 (en) * | 2004-10-25 | 2006-04-27 | Cheung Peter Y | Closed loop RZ-DPSK alignment for optical communications |
| US7398023B2 (en) * | 2004-12-15 | 2008-07-08 | Tyco Telecommunications (Us) Inc. | Method and apparatus for bias and alignment control in an optical signal transmitter |
| US7620328B2 (en) * | 2005-01-31 | 2009-11-17 | Telcordia Technologies, Inc. | Multi-wavelength optical CDMA with differential encoding and bipolar differential detection |
| CN101213775B (zh) * | 2005-06-28 | 2013-06-19 | 日本电气株式会社 | Dpsk调制-解调方法及使用该方法的光通信设备和系统 |
| JP4516907B2 (ja) * | 2005-08-26 | 2010-08-04 | 富士通株式会社 | 光受信装置およびその制御方法 |
| JP4816969B2 (ja) | 2005-10-05 | 2011-11-16 | 日本電気株式会社 | 光受信器、光通信システム及び方法 |
| US20080019704A1 (en) * | 2006-05-31 | 2008-01-24 | Campillo Anthony L | Interferometer-based chromatic dispersion monitor |
| JP2008010971A (ja) * | 2006-06-27 | 2008-01-17 | Fujitsu Ltd | 高速分散補償制御装置 |
| JP4419995B2 (ja) | 2006-08-16 | 2010-02-24 | 日本電気株式会社 | 光受信器の評価および調整方法ならびに光通信システム |
| JP4783702B2 (ja) * | 2006-09-15 | 2011-09-28 | 富士通株式会社 | 光受信装置 |
| DE602007001120D1 (de) * | 2006-11-06 | 2009-06-25 | Fujitsu Ltd | Optischer Sender und optisches Übertragungssystem |
| JP4852393B2 (ja) * | 2006-11-14 | 2012-01-11 | ソフトバンクテレコム株式会社 | 光伝送システムおよび光伝送方法 |
| JP4818142B2 (ja) * | 2007-02-06 | 2011-11-16 | 富士通株式会社 | 光受信装置およびその制御方法、並びに、光伝送システム |
| US8285153B2 (en) * | 2007-02-27 | 2012-10-09 | Celight, Inc. | Single chip two-polarization quadrature synthesizer, analyser and optical communications system using the same |
| JP5165754B2 (ja) * | 2007-06-19 | 2013-03-21 | フランス・テレコム | 高ビットレートの双方向パッシブ光ネットワーク、関連する光交換器およびライン終端装置 |
| KR20100096088A (ko) * | 2007-10-16 | 2010-09-01 | 엑스테라 커뮤니케이션즈 엘티디. | 위상 시프트 변조 고속 시그널링 |
| JP5339088B2 (ja) * | 2007-11-30 | 2013-11-13 | 日本電気株式会社 | 光受信回路および信号処理方法 |
| WO2011080358A1 (es) * | 2009-12-30 | 2011-07-07 | Telefonica, S.A. | Sistema y método de distribución de señales digitales sobre redes de transporte ópticas conmutadas de larga distancia |
| JP4941852B1 (ja) | 2010-01-20 | 2012-05-30 | 日本電気株式会社 | 疑似リターントゥゼロ変調のための装置 |
| JP5351788B2 (ja) | 2010-01-29 | 2013-11-27 | 富士通テレコムネットワークス株式会社 | 光受信装置および光伝送システム |
| EP2541810B1 (en) * | 2011-06-29 | 2014-09-24 | Alcatel Lucent | Method of demodulating a phase modulated optical signal |
| US9178641B2 (en) * | 2011-07-06 | 2015-11-03 | Infinera Corporation | Suppression of non-linear effects in low dispersion optical fibers |
| CN108599867B (zh) * | 2018-03-29 | 2021-02-02 | 上海交通大学 | 基于波形匹配的光学数字信号接收装置 |
| US11621795B2 (en) * | 2020-06-01 | 2023-04-04 | Nubis Communications, Inc. | Polarization-diversity optical power supply |
| US12250027B2 (en) | 2020-06-01 | 2025-03-11 | Nubis Communications, Inc. | Polarization-diversity optical power supply |
| US12101129B2 (en) | 2021-02-03 | 2024-09-24 | Nubis Communications, Inc. | Communication systems having optical power supplies |
| US12066653B2 (en) | 2021-04-22 | 2024-08-20 | Nubis Communications, Inc. | Communication systems having optical power supplies |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5581387A (en) * | 1993-08-04 | 1996-12-03 | Fujitsu Limited | Optical data communications network with a plurality of optical transmitters and a common optical receiver connected via a passive optical network |
| JPH0993224A (ja) | 1995-07-19 | 1997-04-04 | Nippon Telegr & Teleph Corp <Ntt> | 光波長多重送信器 |
| US5625479A (en) * | 1994-01-27 | 1997-04-29 | Kokusai Denshin Denwa Kabushiki Kaisha | Soliton optical communication system and optical transmitter and optical receiver therefor |
| JPH09270769A (ja) | 1996-03-29 | 1997-10-14 | Hitachi Ltd | 波長多重光送信機および光伝送装置 |
| CN1192091A (zh) * | 1997-02-27 | 1998-09-02 | 富士通株式会社 | 光传输系统和色散补偿器 |
| US5875045A (en) * | 1995-12-25 | 1999-02-23 | Fujitsu Limited | Wavelength-multiplexing optical communication method employing RZ signals, wavelength-multiplexing optical sending apparatus employing RZ signals, and wavelength-multiplexing optical communication system employing RZ signals |
| US6005702A (en) * | 1996-02-23 | 1999-12-21 | Kokusai Denshin Denwa Kabushiki-Kaisha | Optical transmission device, WDM optical transmission apparatus, and optical transmission system using return-to-zero optical pulses |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406516A (en) * | 1981-04-27 | 1983-09-27 | Bell Telephone Laboratories, Incorporated | Monomode fiberguide telecommunication system utilizing soliton pulses |
| GB8602017D0 (en) * | 1986-01-28 | 1986-03-05 | British Telecomm | Reducing fluctuations in radiation beam characteristic |
| US4881790A (en) * | 1988-04-25 | 1989-11-21 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical communications system comprising raman amplification means |
| US5746735A (en) * | 1994-10-26 | 1998-05-05 | Cynosure, Inc. | Ultra long pulsed dye laser device for treatment of ectatic vessels and method therefor |
| GB9524203D0 (en) * | 1995-11-27 | 1996-01-31 | British Tech Group | Optical communications |
| JP3299101B2 (ja) * | 1995-12-15 | 2002-07-08 | 日本電気株式会社 | 波長多重光通信装置 |
| JPH09244076A (ja) * | 1996-03-08 | 1997-09-19 | Toshiba Corp | 多波長光源 |
| JP3027944B2 (ja) * | 1996-08-16 | 2000-04-04 | 日本電気株式会社 | 光デュオバイナリ信号光の生成方法および光送信装置 |
| FR2761169B1 (fr) * | 1997-03-20 | 1999-04-30 | Alsthom Cge Alcatel | Regenerateur a modulation optique pour des systemes de transmission a fibre optique a signaux solitons |
| US6072615A (en) * | 1997-06-13 | 2000-06-06 | Lucent Technologies Inc. | Phase modulator-based generation of high-quality high bit rate return-to-zero optical data streams |
| JP3173591B2 (ja) * | 1998-06-09 | 2001-06-04 | 日本電気株式会社 | 光送信器と光伝送システムおよび信号光変調方法 |
| JP3567763B2 (ja) * | 1998-06-12 | 2004-09-22 | Kddi株式会社 | 光送信装置 |
| US6307985B1 (en) * | 1998-07-10 | 2001-10-23 | Micro Therapeutics, Inc. | Optical transmission system |
| US6118566A (en) * | 1998-11-04 | 2000-09-12 | Corvis Corporation | Optical upconverter apparatuses, methods, and systems |
| US6104515A (en) * | 1999-02-01 | 2000-08-15 | Otera Corporation | Method and apparatus for providing high-order polarization mode dispersion compensation using temporal imaging |
| US6724829B1 (en) * | 1999-03-18 | 2004-04-20 | Conexant Systems, Inc. | Automatic power control in a data transmission system |
| US6819872B2 (en) * | 1999-06-23 | 2004-11-16 | Jds Uniphase Corporation | Micro-optic delay element for use in a time division multiplexed system |
| FR2799011B1 (fr) * | 1999-09-24 | 2001-12-14 | Cit Alcatel | Regenerateur optique pour signaux rz limitant le bruit dans les "zeros" |
| FR2799066B1 (fr) * | 1999-09-27 | 2001-12-14 | Cit Alcatel | Dispositif pour limiter le bruit dans les "zeros" des signaux rz optiques |
| US6587239B1 (en) * | 2000-02-23 | 2003-07-01 | Henry Hung | Optical fiber network having increased channel capacity |
| AU2001243300A1 (en) * | 2000-02-28 | 2001-09-12 | University Of Maryland Baltimore County | Error mitigation system using line coding for optical wdm communications |
| US20020003641A1 (en) * | 2000-05-08 | 2002-01-10 | Hall Katherine L. | Polarization division multiplexer |
| US6330381B1 (en) * | 2000-06-30 | 2001-12-11 | Nortel Networks Limited | Methods, systems, media and signals for determining optimum pre-compensation and optimization of an optical system |
| US6832050B1 (en) * | 2000-07-19 | 2004-12-14 | At&T Corp. | Method and system for reducing intra-channel nonlinear effects in highly dispersed optical pulse transmission |
| US6944406B1 (en) * | 2000-08-04 | 2005-09-13 | Fujitsu Limited | Transport system with tunable channel spacing DWDM |
| US6876818B1 (en) * | 2000-08-18 | 2005-04-05 | Futurewei Technologies, Inc. | Method and system for transmitting signals with spectrally enriched optical pulses |
| GB2370473B (en) * | 2000-12-21 | 2004-04-07 | Marconi Caswell Ltd | Improvements in or relating to optical communication |
| US6496297B1 (en) * | 2000-12-22 | 2002-12-17 | Ciena Corporation | Device and method for modulating an optical signal |
| US6643429B2 (en) * | 2001-06-07 | 2003-11-04 | Nortel Networks Limited | Dispersion compensation apparatus and method utilising sampled Bragg gratings |
| JP4278332B2 (ja) * | 2001-06-29 | 2009-06-10 | 日本電信電話株式会社 | 光送信器および光伝送システム |
| US20030090768A1 (en) * | 2001-08-01 | 2003-05-15 | Xiang Liu | Long haul optical communication system |
-
2001
- 2001-11-21 US US09/990,964 patent/US20030007216A1/en not_active Abandoned
-
2002
- 2002-04-29 CA CA002384234A patent/CA2384234A1/en not_active Abandoned
- 2002-05-23 CN CNB021203474A patent/CN100502274C/zh not_active Expired - Fee Related
- 2002-05-28 JP JP2002153824A patent/JP2003060580A/ja active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5581387A (en) * | 1993-08-04 | 1996-12-03 | Fujitsu Limited | Optical data communications network with a plurality of optical transmitters and a common optical receiver connected via a passive optical network |
| US5625479A (en) * | 1994-01-27 | 1997-04-29 | Kokusai Denshin Denwa Kabushiki Kaisha | Soliton optical communication system and optical transmitter and optical receiver therefor |
| JPH0993224A (ja) | 1995-07-19 | 1997-04-04 | Nippon Telegr & Teleph Corp <Ntt> | 光波長多重送信器 |
| US5875045A (en) * | 1995-12-25 | 1999-02-23 | Fujitsu Limited | Wavelength-multiplexing optical communication method employing RZ signals, wavelength-multiplexing optical sending apparatus employing RZ signals, and wavelength-multiplexing optical communication system employing RZ signals |
| US6005702A (en) * | 1996-02-23 | 1999-12-21 | Kokusai Denshin Denwa Kabushiki-Kaisha | Optical transmission device, WDM optical transmission apparatus, and optical transmission system using return-to-zero optical pulses |
| JPH09270769A (ja) | 1996-03-29 | 1997-10-14 | Hitachi Ltd | 波長多重光送信機および光伝送装置 |
| CN1192091A (zh) * | 1997-02-27 | 1998-09-02 | 富士通株式会社 | 光传输系统和色散补偿器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003060580A (ja) | 2003-02-28 |
| CA2384234A1 (en) | 2002-12-21 |
| CN1394027A (zh) | 2003-01-29 |
| US20030007216A1 (en) | 2003-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100502274C (zh) | 色散受控光通信系统中的远程传输 | |
| Xu et al. | Comparison of return-to-zero differential phase-shift keying and on-off keying in long-haul dispersion managed transmission | |
| Gnauck et al. | 2.5 Tb/s (64× 42.7 Gb/s) transmission over 40× 100 km NZDSF using RZ-DPSK format and all-Raman-amplified spans | |
| Kim | Cross-phase-modulation-induced nonlinear phase noise in WDM direct-detection DPSK systems | |
| US6366728B1 (en) | Composite optical fiber transmission line method | |
| Gnauck et al. | Comparison of modulation formats for 42.7-Gb/s single-channel transmission through 1980 km of SSMF | |
| Kim et al. | Transmission of 8 x 20 Gb/s DQPSK signals over 310-km SMF with 0.8-b/s/Hz spectral efficiency | |
| US20030090768A1 (en) | Long haul optical communication system | |
| Winzer et al. | 40-Gb/s return-to-zero alternate-mark-inversion (RZ-AMI) transmission over 2000 km | |
| Rajeev et al. | Performance investigation of DQPSK modulated ultra dense WDM system for different pulse shapes under the effect of various transmission impairments | |
| Liu et al. | Nonlinear phase noise in pulse-overlapped transmission based on return-to-zero differential-phase-shift-keying | |
| Gnauck et al. | 6× 42.7-Gb/s transmission over ten 200-km EDFA-amplified SSMF spans using polarization-alternating RZ-DPSK | |
| US20040047633A1 (en) | System and method for high bit-rate optical time division multiplexing (OTDM) | |
| Miyamoto et al. | Duobinary carrier-suppressed return-to-zero format and its application to 100GHz-spaced 8× 43-Gbit/s DWDM unrepeatered transmission over 163 km | |
| Miyamoto et al. | 100 GHz-spaced 8× 43 Gbit/s DWDM unrepeatered transmission over 163 km using duobinary-carrier-suppressed return-to-zero format | |
| Becouarn et al. | 42× 42.7 Gb/s RZ-DPSK transmission over a 4820 km long NZDSF deployed line using C-band-only EDFAs | |
| Lee et al. | Electrically band-limited CSRZ signal with simple generation and large dispersion tolerance for 40-Gb/s WDM transmission systems | |
| Liu et al. | Optical technologies and techniques for high bit rate fiber transmission | |
| Xu et al. | Comparison of return-to-zero phase shift keying and on-off keying in long haul dispersion managed transmissions | |
| Chi et al. | Transmission properties of a 40 Gb/s signal in FSK modulation format | |
| Wei et al. | Nonlinearity tolerance of RZ-AMI format in 42.7 Gbit/s long-haul transmission over standard SMF spans | |
| Morita et al. | Benefit of Raman amplification in ultra-long-distance 40 Gbit/s-based WDM transmission | |
| Huang et al. | Performance comparison between 160 Gb/s WDM and TDM systems | |
| Priya et al. | Performance analysis of optimized non-zero dispersion shifted fiber without amplification and without dispersion compensation for wavelength division multiplexing optical networks | |
| Susskind et al. | 40 Gb/s RZ DQPSK transmission with SPM and ASE suppression by dispersion management |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20130523 |