NO842499L - Optisk fdm system - Google Patents
Optisk fdm systemInfo
- Publication number
- NO842499L NO842499L NO842499A NO842499A NO842499L NO 842499 L NO842499 L NO 842499L NO 842499 A NO842499 A NO 842499A NO 842499 A NO842499 A NO 842499A NO 842499 L NO842499 L NO 842499L
- Authority
- NO
- Norway
- Prior art keywords
- frequency
- frequencies
- circuit
- channels
- oscillator
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 14
- 238000001228 spectrum Methods 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010013710 Drug interaction Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- RVRCFVVLDHTFFA-UHFFFAOYSA-N heptasodium;tungsten;nonatriacontahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W] RVRCFVVLDHTFFA-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
-
- 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
-
- 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
- H04B10/506—Multiwavelength 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
- H04B10/50—Transmitters
- H04B10/572—Wavelength control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08317962A GB2142796B (en) | 1983-07-01 | 1983-07-01 | Optical fdm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO842499L true NO842499L (no) | 1985-01-02 |
Family
ID=10545140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO842499A NO842499L (no) | 1983-07-01 | 1984-06-21 | Optisk fdm system |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4601027A (fr) |
| EP (1) | EP0131818A3 (fr) |
| JP (1) | JPS6037847A (fr) |
| AU (1) | AU2987284A (fr) |
| CA (1) | CA1213382A (fr) |
| GB (1) | GB2142796B (fr) |
| NO (1) | NO842499L (fr) |
| ZA (1) | ZA844781B (fr) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8500635D0 (en) * | 1985-01-10 | 1985-02-13 | British Telecomm | Optical networks |
| GB8500636D0 (en) * | 1985-01-10 | 1985-02-13 | British Telecomm | Optical fibre networks |
| US4726011A (en) * | 1985-04-08 | 1988-02-16 | Itt Defense Communications, A Division Of Itt Corporation | Coherent optical fiber communication with frequency-division-multiplexing |
| US4775972A (en) * | 1985-05-10 | 1988-10-04 | Itt Corporation, Defense Communications Division | Optical fiber communication for local area networks with frequency-division-multiplexing |
| JPH0693666B2 (ja) * | 1985-06-05 | 1994-11-16 | ソニー株式会社 | 周波数多重伝送方式の受信装置 |
| NL8502665A (nl) * | 1985-09-30 | 1987-04-16 | Philips Nv | Breedband optisch distributiesysteem. |
| US4701904A (en) * | 1985-10-18 | 1987-10-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical local area network employing microwave modulation techniques |
| CA1274612A (fr) * | 1985-11-22 | 1990-09-25 | Nec Corporation | Systeme de commutation pour le multiplexage optique utilisant des modulateurs de lumiere pour la commutation des longueurs d'onde |
| FR2593654B1 (fr) * | 1986-01-28 | 1988-03-11 | Comp Generale Electricite | Dispositif de telecommunications photoniques coherentes. |
| US4715028A (en) * | 1986-06-13 | 1987-12-22 | Polaroid Corporation | Optical communication system |
| JPH0636621B2 (ja) * | 1986-10-15 | 1994-05-11 | 日本電気株式会社 | 光交換機 |
| US4800555A (en) * | 1987-03-03 | 1989-01-24 | American Telephone And Telegraph Company, At&T Bell Laboratories | Technique for repelling carriers in optical communications to minimize mutual interference |
| US4914648A (en) * | 1987-03-26 | 1990-04-03 | American Telephone And Telegraph Company | Multichannel, multihop lightwave communication system |
| SE460807B (sv) * | 1988-03-11 | 1989-11-20 | Ericsson Telefon Ab L M | Anording foer att utsaenda en koherent frekvensmodulerad optisk signal |
| US4941208A (en) * | 1988-09-08 | 1990-07-10 | Gte Laboratories Incorporated | High performance subcarrier multiplexed optical communication system with modulation index exceeding unity |
| DE3902746A1 (de) * | 1989-01-31 | 1990-08-09 | Standard Elektrik Lorenz Ag | Optisches breitband-nachrichtenuebertragungssystem, insbesondere fuer den teilnehmeranschlussbereich |
| DE3913520A1 (de) * | 1989-04-25 | 1990-10-31 | Standard Elektrik Lorenz Ag | Optisches kabelfernsehuebertragungssystem |
| FR2647987B1 (fr) * | 1989-06-02 | 1994-07-22 | France Etat | Procede de transmission optique de signaux par self-heterodynage et systeme de transmission avec matrice de commutation mettant en oeuvre un tel procede |
| US5235452A (en) * | 1989-06-02 | 1993-08-10 | Minister Of The Post Telecommunications And Space (Centre National D'etudes Des Telecommunications) | Process and switching matrix apparatus for optical transmission of signals by self-heterodyning |
| US5020049A (en) * | 1989-10-13 | 1991-05-28 | At&T Bell Laboratories | Optical sub-carrier multiplex television transmission system using a linear laser diode |
| GB2321808B (en) * | 1997-01-24 | 1999-03-17 | Plessey Telecomm | Single sideband modulators |
| US20040208644A1 (en) * | 2001-05-22 | 2004-10-21 | Opticalis Ltd. | Sub-carrier generation for optical communication |
| US7499653B2 (en) * | 2003-07-14 | 2009-03-03 | Hrl Laboratories, Llc | Multiple wavelength photonic oscillator |
| US7822082B2 (en) * | 2004-01-27 | 2010-10-26 | Hrl Laboratories, Llc | Wavelength reconfigurable laser transmitter tuned via the resonance passbands of a tunable microresonator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3845294A (en) * | 1973-05-09 | 1974-10-29 | Bell Telephone Labor Inc | Multiplexed communications system |
| DE2436265A1 (de) * | 1974-07-27 | 1976-02-12 | Licentia Gmbh | Koppelanordnung |
| US4140783A (en) * | 1976-05-24 | 1979-02-20 | Smith Kline & French Laboratories Limited | Isothiazole and isoxazole sulphoxides |
| US4530084A (en) * | 1981-10-08 | 1985-07-16 | Heinrich Hertz Institut Fuer Nachrichten Technik | Communications network with optical channels |
| US4468766A (en) * | 1982-09-30 | 1984-08-28 | The United States Of America As Represented By The Secretary Of The Navy | Optical RF downconverter |
-
1983
- 1983-07-01 GB GB08317962A patent/GB2142796B/en not_active Expired
-
1984
- 1984-06-21 US US06/622,940 patent/US4601027A/en not_active Expired - Lifetime
- 1984-06-21 NO NO842499A patent/NO842499L/no unknown
- 1984-06-22 ZA ZA844781A patent/ZA844781B/xx unknown
- 1984-06-26 AU AU29872/84A patent/AU2987284A/en not_active Abandoned
- 1984-06-29 CA CA000457820A patent/CA1213382A/fr not_active Expired
- 1984-06-29 EP EP84107533A patent/EP0131818A3/fr not_active Withdrawn
- 1984-07-02 JP JP59137063A patent/JPS6037847A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2142796B (en) | 1986-07-16 |
| JPS6037847A (ja) | 1985-02-27 |
| EP0131818A2 (fr) | 1985-01-23 |
| EP0131818A3 (fr) | 1986-06-18 |
| GB8317962D0 (en) | 1983-08-03 |
| US4601027A (en) | 1986-07-15 |
| ZA844781B (en) | 1985-03-27 |
| CA1213382A (fr) | 1986-10-28 |
| GB2142796A (en) | 1985-01-23 |
| AU2987284A (en) | 1985-01-03 |
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