DE3789012T2 - Verstärkungsvorrichtung für optische Signale mit lichtempfindlichem Medium. - Google Patents
Verstärkungsvorrichtung für optische Signale mit lichtempfindlichem Medium.Info
- Publication number
- DE3789012T2 DE3789012T2 DE3789012T DE3789012T DE3789012T2 DE 3789012 T2 DE3789012 T2 DE 3789012T2 DE 3789012 T DE3789012 T DE 3789012T DE 3789012 T DE3789012 T DE 3789012T DE 3789012 T2 DE3789012 T2 DE 3789012T2
- Authority
- DE
- Germany
- Prior art keywords
- optical signals
- amplifying device
- photosensitive medium
- photosensitive
- medium
- 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
- 230000003287 optical effect Effects 0.000 title 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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
- H04B10/2914—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using lumped semiconductor optical amplifiers [SOA]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/05—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
- G02F1/0541—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties using photorefractive effects
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
- G02F1/397—Amplification of light by wave mixing involving an interference pattern, e.g. using photorefractive material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8618092A FR2608792B1 (fr) | 1986-12-23 | 1986-12-23 | Dispositif d'amplification de signaux optiques a milieu photosensible |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3789012D1 DE3789012D1 (de) | 1994-03-17 |
DE3789012T2 true DE3789012T2 (de) | 1994-05-26 |
Family
ID=9342249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3789012T Expired - Fee Related DE3789012T2 (de) | 1986-12-23 | 1987-12-18 | Verstärkungsvorrichtung für optische Signale mit lichtempfindlichem Medium. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4847521A (de) |
EP (1) | EP0275768B1 (de) |
JP (1) | JPS63169617A (de) |
DE (1) | DE3789012T2 (de) |
FR (1) | FR2608792B1 (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1232051B (it) * | 1989-03-24 | 1992-01-23 | Cselt Centro Studi Lab Telecom | Dispositivo per la correlazione fra fasci ottici |
FR2647229B1 (fr) * | 1989-05-16 | 1991-07-05 | Thomson Csf | Dispositif d'amplification d'onde optique a faible bruit |
US4918699A (en) * | 1989-05-30 | 1990-04-17 | Boyd Robert W | System for combining laser beam by transfer of energy therebetween in atomic vapor |
US4979804A (en) * | 1989-06-08 | 1990-12-25 | Eastman Kodak Company | Optical assembly for creating a synthetic aperture |
FR2669126B1 (fr) * | 1990-11-09 | 1993-01-22 | Thomson Csf | Systeme de visualisation d'images fournies par un modulateur spatial avec transfert d'energie. |
FR2669441B1 (fr) * | 1990-11-16 | 1993-01-22 | Thomson Csf | Dispositif de stabilisation de la reflectivite de miroirs a conjugaison de phase par diffusion brillouin stimulee a haute cadence de repetition d'impulsions. |
AU648365B2 (en) * | 1990-12-24 | 1994-04-21 | Alcatel N.V. | Optical amplifier |
US5499135A (en) * | 1990-12-24 | 1996-03-12 | Alcatel N.V. | Optical amplifier |
FR2674642B1 (fr) * | 1991-03-25 | 1993-12-03 | Gaz De France | Fibre optique a reseau de bragg interne variable et ses applications. |
JP2693662B2 (ja) * | 1991-07-16 | 1997-12-24 | 株式会社東芝 | 光増幅装置 |
FR2681988A1 (fr) * | 1991-09-27 | 1993-04-02 | Thomson Csf | Laser de puissance a deflexion. |
JP2953184B2 (ja) * | 1992-03-19 | 1999-09-27 | 三菱マテリアル株式会社 | 光非線形媒質体の屈折率格子形成時間の測定方法及びその装置 |
FR2696014B1 (fr) * | 1992-09-18 | 1994-11-04 | Thomson Csf | Miroir à conjugaison de phase. |
FR2722319B1 (fr) * | 1994-07-08 | 1996-08-14 | Thomson Csf | Dispositif de visualisation couleurs |
FR2734920B1 (fr) * | 1995-05-29 | 1997-07-11 | Alcatel Nv | Procede et dispositif pour combiner des signaux optiques |
FR2751398B1 (fr) * | 1996-07-16 | 1998-08-28 | Thomson Csf | Dispositif d'eclairage et application a l'eclairage d'un ecran transmissif |
FR2755516B1 (fr) | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif compact d'illumination |
FR2755530B1 (fr) * | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif de visualisation et ecran plat de television utilisant ce dispositif |
US7173551B2 (en) | 2000-12-21 | 2007-02-06 | Quellan, Inc. | Increasing data throughput in optical fiber transmission systems |
FR2819061B1 (fr) * | 2000-12-28 | 2003-04-11 | Thomson Csf | Dispositif de controle de polarisation dans une liaison optique |
US7307569B2 (en) | 2001-03-29 | 2007-12-11 | Quellan, Inc. | Increasing data throughput in optical fiber transmission systems |
US7149256B2 (en) | 2001-03-29 | 2006-12-12 | Quellan, Inc. | Multilevel pulse position modulation for efficient fiber optic communication |
IL158211A0 (en) | 2001-04-04 | 2004-05-12 | Quellan Inc | Method and system for decoding multilevel signals |
WO2003071731A1 (en) | 2002-02-15 | 2003-08-28 | Quellan, Inc. | Multi-level signal clock recovery technique |
WO2003077423A2 (en) * | 2002-03-08 | 2003-09-18 | Quellan, Inc. | High speed analog-to-digital converter using a unique gray code having minimal bit transitions |
AU2003223687A1 (en) * | 2002-04-23 | 2003-11-10 | Quellan, Inc. | Combined ask/dpsk modulation system |
JP2004013681A (ja) * | 2002-06-10 | 2004-01-15 | Bosu & K Consulting Kk | 名刺情報管理システム |
WO2004008782A2 (en) | 2002-07-15 | 2004-01-22 | Quellan, Inc. | Adaptive noise filtering and equalization |
FR2845833A1 (fr) * | 2002-10-15 | 2004-04-16 | Cit Alcatel | Amplificateur optique a semiconducteurs a stabilisation de gain laterale et distribuee |
WO2004045078A2 (en) * | 2002-11-12 | 2004-05-27 | Quellan, Inc. | High-speed analog-to-digital conversion with improved robustness to timing uncertainty |
US7050388B2 (en) | 2003-08-07 | 2006-05-23 | Quellan, Inc. | Method and system for crosstalk cancellation |
US7804760B2 (en) | 2003-08-07 | 2010-09-28 | Quellan, Inc. | Method and system for signal emulation |
JP4510832B2 (ja) * | 2003-11-17 | 2010-07-28 | ケラン インコーポレイテッド | アンテナ干渉消去のための方法およびシステム |
US7616700B2 (en) | 2003-12-22 | 2009-11-10 | Quellan, Inc. | Method and system for slicing a communication signal |
US7725079B2 (en) | 2004-12-14 | 2010-05-25 | Quellan, Inc. | Method and system for automatic control in an interference cancellation device |
US7522883B2 (en) | 2004-12-14 | 2009-04-21 | Quellan, Inc. | Method and system for reducing signal interference |
US9252983B2 (en) | 2006-04-26 | 2016-02-02 | Intersil Americas LLC | Method and system for reducing radiated emissions from a communications channel |
FR2986916A1 (fr) * | 2012-02-09 | 2013-08-16 | Eolite Systems | Systeme amplificateur optique et laser a impulsion limites en energie par impulsion. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3364432A (en) * | 1966-10-27 | 1968-01-16 | Bell Telephone Labor Inc | Optical parametric device employing a whisper mode |
US3537020A (en) * | 1968-06-17 | 1970-10-27 | North American Rockwell | Optical parametric device |
US3660673A (en) * | 1970-04-16 | 1972-05-02 | North American Rockwell | Optical parametric device |
US3988593A (en) * | 1975-04-15 | 1976-10-26 | Massachusetts Institute Of Technology | Nonlinear amplifying |
FR2500937B1 (de) * | 1981-02-27 | 1983-04-15 | Thomson Csf | |
FR2501872A1 (fr) * | 1981-03-13 | 1982-09-17 | Thomson Csf | Dispositif optique d'amplification en temps reel de l'energie radiante d'un faisceau |
GB2158602B (en) * | 1984-05-09 | 1988-01-27 | Gen Electric Co Plc | Optical processing apparatus |
-
1986
- 1986-12-23 FR FR8618092A patent/FR2608792B1/fr not_active Expired
-
1987
- 1987-12-18 EP EP87402916A patent/EP0275768B1/de not_active Expired - Lifetime
- 1987-12-18 DE DE3789012T patent/DE3789012T2/de not_active Expired - Fee Related
- 1987-12-22 US US07/136,756 patent/US4847521A/en not_active Expired - Fee Related
- 1987-12-23 JP JP62326601A patent/JPS63169617A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0275768A1 (de) | 1988-07-27 |
JPS63169617A (ja) | 1988-07-13 |
DE3789012D1 (de) | 1994-03-17 |
EP0275768B1 (de) | 1994-02-02 |
US4847521A (en) | 1989-07-11 |
FR2608792A1 (fr) | 1988-06-24 |
FR2608792B1 (fr) | 1989-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8380 | Miscellaneous part iii |
Free format text: DER INHABER IST ZU AENDERN IN: THOMSON-CSF, PARIS, FR |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |