JPS6217906B2 - - Google Patents
Info
- Publication number
- JPS6217906B2 JPS6217906B2 JP54048909A JP4890979A JPS6217906B2 JP S6217906 B2 JPS6217906 B2 JP S6217906B2 JP 54048909 A JP54048909 A JP 54048909A JP 4890979 A JP4890979 A JP 4890979A JP S6217906 B2 JPS6217906 B2 JP S6217906B2
- Authority
- JP
- Japan
- Prior art keywords
- highway
- channels
- signal
- optical fiber
- subcarrier
- 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
Links
- 239000000835 fiber Substances 0.000 claims description 18
- 230000003287 optical effect Effects 0.000 claims description 14
- 239000013307 optical fiber Substances 0.000 claims description 14
- 230000001427 coherent effect Effects 0.000 claims description 4
- 230000005670 electromagnetic radiation Effects 0.000 claims description 3
- 238000005562 fading Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
- G02F1/0128—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 electro-mechanical, magneto-mechanical, elasto-optic effects
- G02F1/0131—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 electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence
- G02F1/0134—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 electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence in optical waveguides
-
- 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
- H04B10/691—Arrangements for optimizing the photodetector in the receiver
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1567278 | 1978-04-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54146505A JPS54146505A (en) | 1979-11-15 |
JPS6217906B2 true JPS6217906B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-04-20 |
Family
ID=10063351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4890979A Granted JPS54146505A (en) | 1978-04-20 | 1979-04-20 | Communication system |
Country Status (2)
Country | Link |
---|---|
US (1) | US4236243A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
JP (1) | JPS54146505A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4408354A (en) * | 1980-01-14 | 1983-10-04 | National Research Development Corporation | Signal transmission systems |
US4406003A (en) * | 1981-07-20 | 1983-09-20 | The University Of Rochester | Optical transmission system |
US4744625A (en) * | 1982-09-30 | 1988-05-17 | Gte Laboratories Incorporated | Methods of and apparatus for providing frequency modulated light |
US4937833A (en) * | 1985-03-25 | 1990-06-26 | The United States Of America As Represented By The Secretary Of The Navy | Analog frequency modulated laser using magnetostriction |
US4810978A (en) * | 1987-06-29 | 1989-03-07 | Hughes Aircraft Company | Optical data link |
US4799797A (en) * | 1987-11-17 | 1989-01-24 | The Boeing Company | Coherence multiplexing of optical sensors |
US4866698A (en) * | 1987-11-17 | 1989-09-12 | The Boeing Company | Multiplexed optical communication system |
US5016242A (en) * | 1988-11-01 | 1991-05-14 | Gte Laboratories Incorporated | Microwave subcarrier generation for fiber optic systems |
US5042086A (en) * | 1988-11-16 | 1991-08-20 | Dylor Corporation | Method and means for transmitting large dynamic analog signals in optical fiber systems |
US4971417A (en) * | 1989-08-23 | 1990-11-20 | The Boeing Company | Radiation-hardened optical repeater |
US5191459A (en) * | 1989-12-04 | 1993-03-02 | Scientific-Atlanta, Inc. | Method and apparatus for transmitting broadband amplitude modulated radio frequency signals over optical links |
US5892773A (en) * | 1990-04-10 | 1999-04-06 | The United States Of America As Represented By The Secretary Of The Navy | Radio frequency cable to optical fiber cable converter/interface |
DE69120582T2 (de) * | 1990-04-18 | 1996-11-28 | Canon Kk | Optisches Übertragungsnetzwerk und Übertragungsverfahren für dasselbe |
DE4109019A1 (de) * | 1991-03-20 | 1992-09-24 | Bosch Gmbh Robert | Anordnung zum zusammenfassen verschiedener elektrischer signale mittels optischer traegermodulation |
EP0606170A3 (en) * | 1993-01-07 | 1996-11-20 | Nec Corp | Optical transmission system and optical network terminals used therein. |
US6556327B1 (en) * | 1997-11-06 | 2003-04-29 | Matsushita Electric Industrial Co., Ltd. | Signal converter, optical transmitter and optical fiber transmission system |
US6624922B1 (en) * | 2000-06-02 | 2003-09-23 | Northrop Grumman Corporation | Electro-optic device for adding/subtracting optical signals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3654473A (en) * | 1969-04-28 | 1972-04-04 | Hughes Aircraft Co | Phase modulation laser communication system |
FR2258751B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-01-18 | 1978-12-08 | Thomson Csf | |
US4002896A (en) * | 1975-01-21 | 1977-01-11 | David Evan Naunton Davies | Telecommunication system |
-
1979
- 1979-04-12 US US06/029,532 patent/US4236243A/en not_active Expired - Lifetime
- 1979-04-20 JP JP4890979A patent/JPS54146505A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4236243A (en) | 1980-11-25 |
JPS54146505A (en) | 1979-11-15 |
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