ATE217465T1 - Ramaneffektunterdrückung durch polarisationsmodulation - Google Patents
Ramaneffektunterdrückung durch polarisationsmodulationInfo
- Publication number
- ATE217465T1 ATE217465T1 AT99402843T AT99402843T ATE217465T1 AT E217465 T1 ATE217465 T1 AT E217465T1 AT 99402843 T AT99402843 T AT 99402843T AT 99402843 T AT99402843 T AT 99402843T AT E217465 T1 ATE217465 T1 AT E217465T1
- Authority
- AT
- Austria
- Prior art keywords
- polarisation
- scrambling
- rama
- waves
- effect
- Prior art date
Links
- 230000000694 effects Effects 0.000 title abstract 4
- 230000010287 polarization Effects 0.000 title 1
- 230000001629 suppression Effects 0.000 title 1
- 238000001069 Raman spectroscopy Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 230000008054 signal transmission Effects 0.000 abstract 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2537—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to scattering processes, e.g. Raman or Brillouin scattering
-
- 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
- H04B10/532—Polarisation modulation
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Developing Agents For Electrophotography (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9814054A FR2786638A1 (fr) | 1998-11-26 | 1998-11-26 | Suppression de l'effet raman par modulation de la polarisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE217465T1 true ATE217465T1 (de) | 2002-05-15 |
Family
ID=9532514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT99402843T ATE217465T1 (de) | 1998-11-26 | 1999-11-17 | Ramaneffektunterdrückung durch polarisationsmodulation |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6344923B1 (de) |
| EP (1) | EP1005183B1 (de) |
| JP (1) | JP2000174703A (de) |
| AT (1) | ATE217465T1 (de) |
| DE (1) | DE69901418T2 (de) |
| DK (1) | DK1005183T3 (de) |
| FR (1) | FR2786638A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2306605B1 (de) * | 1998-07-23 | 2012-05-23 | The Furukawa Electric Co., Ltd. | Pumpeinheit für einen Ramanverstärker und Ramanverstärker, der dieselbe aufweist |
| US6611369B2 (en) | 1999-09-06 | 2003-08-26 | Furukawa Electric Co., Ltd. | Optical signal amplifier |
| JP2001235772A (ja) * | 2000-02-22 | 2001-08-31 | Sumitomo Electric Ind Ltd | ラマン増幅制御装置および光伝送システム |
| US20040252994A1 (en) * | 2003-06-11 | 2004-12-16 | Bickham Scott R. | Optical communication system with suppressed SBS |
| WO2005018117A1 (en) * | 2003-07-31 | 2005-02-24 | Corning Incorporated | Unrepeatered optical communication system with suppressed sbs |
| US7574140B2 (en) | 2004-12-22 | 2009-08-11 | Tyco Telecommunications (Us) Inc. | Optical transmission system including repeatered and unrepeatered segments |
| US7424229B2 (en) * | 2004-12-28 | 2008-09-09 | General Instrument Corporation | Methods and apparatus for Raman crosstalk reduction via idle data pattern control |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5345331A (en) * | 1993-04-13 | 1994-09-06 | At&T Bell Laboratories | Technique for reducing polarization dependent gain in an amplified optical transmission system |
| US5657151A (en) * | 1993-12-09 | 1997-08-12 | Lucent Technologies Inc. | Polarization scrambler/modulator |
| FR2721158B1 (fr) * | 1994-06-14 | 1996-07-12 | Alcatel Submarcom | Système de transmission sur une ligne à fibre optique sans répéteur, avec amplifications distante et locale. |
| US5999544A (en) * | 1995-08-18 | 1999-12-07 | Spectra-Physics Lasers, Inc. | Diode pumped, fiber coupled laser with depolarized pump beam |
| JP3364076B2 (ja) * | 1995-12-27 | 2003-01-08 | ケイディーディーアイ株式会社 | 光送信装置 |
| FR2749114B1 (fr) * | 1996-05-23 | 1998-06-19 | Alcatel Submarcom | Systeme de communication optique a amplificateurs optiques dont le gain depend de la polarisation du signal d'entree |
| GB2318646A (en) * | 1996-10-25 | 1998-04-29 | Stc Submarine Systems Ltd | Optical polarisation scrambling |
| US5854698A (en) * | 1997-02-10 | 1998-12-29 | Lucent Technologies Inc. | Repeaterless branch powered fiber optic communication system |
| JPH10285144A (ja) * | 1997-04-02 | 1998-10-23 | Kokusai Denshin Denwa Co Ltd <Kdd> | 光信号出力装置 |
-
1998
- 1998-11-26 FR FR9814054A patent/FR2786638A1/fr active Pending
-
1999
- 1999-11-17 DK DK99402843T patent/DK1005183T3/da active
- 1999-11-17 AT AT99402843T patent/ATE217465T1/de not_active IP Right Cessation
- 1999-11-17 DE DE69901418T patent/DE69901418T2/de not_active Expired - Lifetime
- 1999-11-17 EP EP99402843A patent/EP1005183B1/de not_active Expired - Lifetime
- 1999-11-23 US US09/442,818 patent/US6344923B1/en not_active Expired - Lifetime
- 1999-11-25 JP JP11334943A patent/JP2000174703A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1005183A1 (de) | 2000-05-31 |
| EP1005183B1 (de) | 2002-05-08 |
| FR2786638A1 (fr) | 2000-06-02 |
| JP2000174703A (ja) | 2000-06-23 |
| DE69901418D1 (de) | 2002-06-13 |
| US6344923B1 (en) | 2002-02-05 |
| DE69901418T2 (de) | 2003-01-16 |
| DK1005183T3 (da) | 2002-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2000072451A3 (en) | Apparatus and method for reducing impairments from nonlinear fiber effects in 1550 nanometer external modulation links | |
| CA2104191A1 (en) | Reduction of Stimulated Brillouin Scattering in a Fiber Optic Transmission System | |
| DE69943221D1 (de) | Optische übertragungs-vorrichtung, verfahr und system | |
| ATE217465T1 (de) | Ramaneffektunterdrückung durch polarisationsmodulation | |
| ES2155961T3 (es) | Sistema optico con una o mas fuentes de señales laser estabilizadas. | |
| EP0623980A3 (de) | Transversalemittierender Halbleiterlaser und Kopplung an einem Lichtwellenleiter. | |
| WO2001065308A3 (en) | Optical switch and wavelength converter based on electromagnetically induced transparency | |
| US6814376B2 (en) | Method and system for generating short pulse signals | |
| WO2004068652A3 (en) | Method and apparatus for coherently combining laser oscillators | |
| JP2000174703A5 (de) | ||
| Mahgerefteh et al. | All-optical 1.5 μm to 1.3 μm wavelength conversion in a walk-off compensating nonlinear optical loop mirror | |
| Wang et al. | Novel temporal/spectral coding technique based on fiber Bragg gratings for fiber optic CDMA application | |
| SE9902552D0 (sv) | Optisk koppling | |
| US7228076B2 (en) | Method for remodulation of a modulated optical signal and device for remodulation and transmission system | |
| Toda et al. | Optical soliton transmission experiment in a comb-like dispersion profiled fiber loop | |
| Pelusi et al. | Pre-link compensation of nonlinear signal distortion by a phase conjugation and parameter profiled fiber module | |
| Mahon et al. | Polarization allocation schemes for minimizing fiber four-wave mixing crosstalk in wavelength division multiplexed optical communication systems | |
| RU2002134015A (ru) | Способ защиты информационного сигнала от несанкционированного доступа в волоконно-оптической линии связи | |
| JPH02107034A (ja) | 光時分割多重方式 | |
| Aubin et al. | Record 20-gigabit-per-second 200-km repeater span transoceanic soliton transmission using in-line remote pumping | |
| Sabat et al. | Reduction of fwm effect in fiber optic communication system by using dpddmz and circular polarization | |
| Anju et al. | Simulation and Performance Analysis of Optical Wavelength Converters based on Cross Gain Modulation (XGM) in SOA | |
| WO2002075919A3 (en) | Distibuted raman amplification system | |
| Shen et al. | A simple filter based on stimulated Brillouin scattering for carrier-suppression of microwave photonics signals | |
| Etemad et al. | Integrity of optical fiber communication components: reliability of structural epoxy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |