JPS53112652A - Optical communication unit with heterodyne detection - Google Patents

Optical communication unit with heterodyne detection

Info

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
Application number
JP2846177A
Other languages
Japanese (ja)
Other versions
JPS6010612B2 (en
Inventor
Shigeo Matsushita
Koichi Minemura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP52028461A priority Critical patent/JPS6010612B2/en
Publication of JPS53112652A publication Critical patent/JPS53112652A/en
Publication of JPS6010612B2 publication Critical patent/JPS6010612B2/en
Expired legal-status Critical Current

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
JP52028461A 1977-03-14 1977-03-14 Heterodyne detection optical communication device Expired JPS6010612B2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
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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