JPS53112652A - Optical communication unit with heterodyne detection - Google Patents
Optical communication unit with heterodyne detectionInfo
- Publication number
- JPS53112652A JPS53112652A JP2846177A JP2846177A JPS53112652A JP S53112652 A JPS53112652 A JP S53112652A JP 2846177 A JP2846177 A JP 2846177A JP 2846177 A JP2846177 A JP 2846177A JP S53112652 A JPS53112652 A JP S53112652A
- Authority
- JP
- Japan
- Prior art keywords
- communication unit
- optical communication
- heterodyne detection
- signal
- light
- 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.)
- Granted
Links
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Optical Communication System (AREA)
Abstract
PURPOSE: To enable the communication of signal having large capacity and less noise, by forming the light communication unit of small size hardly being affected of mechanical vibration and environment, through the use of composite refractive substance FKB for multiplication, separation, and synthesis of signal light.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52028461A JPS6010612B2 (en) | 1977-03-14 | 1977-03-14 | Heterodyne detection optical communication device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52028461A JPS6010612B2 (en) | 1977-03-14 | 1977-03-14 | Heterodyne detection optical communication device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53112652A true JPS53112652A (en) | 1978-10-02 |
JPS6010612B2 JPS6010612B2 (en) | 1985-03-19 |
Family
ID=12249294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52028461A Expired JPS6010612B2 (en) | 1977-03-14 | 1977-03-14 | Heterodyne detection optical communication device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6010612B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4807227A (en) * | 1986-10-15 | 1989-02-21 | Nec Corporation | Optical wavelength-division switching system with coherent optical detection system |
US4989200A (en) * | 1988-12-22 | 1991-01-29 | Gte Laboratories Incorporated | Coherent subcarrier multiplexed optical communication system |
JPH04156735A (en) * | 1990-10-19 | 1992-05-29 | Nec Corp | Optical frequency multiplex transmission system |
US5134509A (en) * | 1988-12-22 | 1992-07-28 | Gte Laboratories Incorporated | Coherent subcarrier multiplexed optical communication system |
JPWO2015097869A1 (en) * | 2013-12-27 | 2017-03-23 | 三菱電機株式会社 | Planar waveguide laser device |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6456233U (en) * | 1987-10-02 | 1989-04-07 | ||
JPH0350909Y2 (en) * | 1987-10-02 | 1991-10-30 | ||
JPWO2010100745A1 (en) * | 2009-03-05 | 2012-09-06 | オリンパス株式会社 | Photodetection device and photodetection method, and microscope and endoscope |
-
1977
- 1977-03-14 JP JP52028461A patent/JPS6010612B2/en not_active Expired
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4807227A (en) * | 1986-10-15 | 1989-02-21 | Nec Corporation | Optical wavelength-division switching system with coherent optical detection system |
US4989200A (en) * | 1988-12-22 | 1991-01-29 | Gte Laboratories Incorporated | Coherent subcarrier multiplexed optical communication system |
US5134509A (en) * | 1988-12-22 | 1992-07-28 | Gte Laboratories Incorporated | Coherent subcarrier multiplexed optical communication system |
JPH04156735A (en) * | 1990-10-19 | 1992-05-29 | Nec Corp | Optical frequency multiplex transmission system |
JPWO2015097869A1 (en) * | 2013-12-27 | 2017-03-23 | 三菱電機株式会社 | Planar waveguide laser device |
US9780519B2 (en) | 2013-12-27 | 2017-10-03 | Mitsubishi Electric Corporation | Flat waveguide-type laser device |
Also Published As
Publication number | Publication date |
---|---|
JPS6010612B2 (en) | 1985-03-19 |
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