SE318804B - - Google Patents
Info
- Publication number
- SE318804B SE318804B SE6554/66A SE655466A SE318804B SE 318804 B SE318804 B SE 318804B SE 6554/66 A SE6554/66 A SE 6554/66A SE 655466 A SE655466 A SE 655466A SE 318804 B SE318804 B SE 318804B
- Authority
- SE
- Sweden
- Prior art keywords
- laser
- frequency
- mixer
- output
- information
- Prior art date
Links
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
- H04B10/60—Receivers
-
- 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
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
- G02F2/002—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light using optical mixing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
-
- 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
- H04B10/61—Coherent receivers
- H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [fIF] is obtained
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47995265A | 1965-08-16 | 1965-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE318804B true SE318804B (xx) | 1969-12-15 |
Family
ID=23906086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE6554/66A SE318804B (xx) | 1965-08-16 | 1966-05-12 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3482099A (xx) |
DE (1) | DE1564072B2 (xx) |
GB (1) | GB1136635A (xx) |
SE (1) | SE318804B (xx) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3530298A (en) * | 1968-04-17 | 1970-09-22 | Bell Telephone Labor Inc | Optical heterodyne receiver with pulse widening or stretching |
US3569996A (en) * | 1968-06-07 | 1971-03-09 | Bell Telephone Labor Inc | Optical heterodyne receiver with pulse widening or stretching |
US3628173A (en) * | 1969-04-28 | 1971-12-14 | Bell Telephone Labor Inc | Laser mode selection and stabilization apparatus employing a birefringement etalon |
US4156135A (en) * | 1976-11-11 | 1979-05-22 | The United States Of America As Represented By The Secretary Of The Army | Electronic heterodyning in an optical detector |
JPS59140736A (ja) * | 1983-01-31 | 1984-08-13 | Nec Corp | 光ヘテロダイン検波パルス受信方法 |
US4962503A (en) * | 1984-11-13 | 1990-10-09 | Westinghouse Electric Corp. | Wavelength stabilization for a pulsed tunable laser |
US4868894A (en) * | 1987-12-09 | 1989-09-19 | United Technologies | System for transmitting microwave signals via an optical link |
US4906069A (en) * | 1988-10-31 | 1990-03-06 | Grumman Aerospace Corporation | Optical spread spectrum decoder |
JP2798526B2 (ja) * | 1991-06-20 | 1998-09-17 | 富士通株式会社 | 周波数弁別器 |
GB2615364A (en) * | 2022-02-08 | 2023-08-09 | Royal Holloway & Bedford New College | A Doppler compensation method using photonic modulation |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE624177A (xx) * | 1961-10-30 |
-
1965
- 1965-08-16 US US479952A patent/US3482099A/en not_active Expired - Lifetime
-
1966
- 1966-04-30 DE DE19661564072 patent/DE1564072B2/de active Pending
- 1966-05-12 SE SE6554/66A patent/SE318804B/xx unknown
- 1966-05-16 GB GB21551/66A patent/GB1136635A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1564072A1 (de) | 1970-10-01 |
US3482099A (en) | 1969-12-02 |
GB1136635A (en) | 1968-12-11 |
DE1564072B2 (de) | 1971-04-01 |
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