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JPS53106058A - Multistage photo directional coupler - Google Patents

Multistage photo directional coupler

Info

Publication number
JPS53106058A
JPS53106058A JP1979477A JP1979477A JPS53106058A JP S53106058 A JPS53106058 A JP S53106058A JP 1979477 A JP1979477 A JP 1979477A JP 1979477 A JP1979477 A JP 1979477A JP S53106058 A JPS53106058 A JP S53106058A
Authority
JP
Japan
Prior art keywords
directional coupler
optical guides
guides
multistage
multistage photo
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
JP1979477A
Other languages
Japanese (ja)
Other versions
JPS5934287B2 (en
Inventor
Juichi Noda
Osamu Mikami
Masaharu Fukuma
Yutaka Iwasaki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1979477A priority Critical patent/JPS5934287B2/en
Publication of JPS53106058A publication Critical patent/JPS53106058A/en
Publication of JPS5934287B2 publication Critical patent/JPS5934287B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Optical Integrated Circuits (AREA)

Abstract

PURPOSE:To made three optical guides as basic constitution, eliminate bends in the optical guides and achieve the reduction in light loss by providing coupling optical guides having specific coupling lengths between the adjoining optical guides of the positions where the opticl guides are to be coupled.
JP1979477A 1977-02-26 1977-02-26 Multi-stage optical directional coupler Expired JPS5934287B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1979477A JPS5934287B2 (en) 1977-02-26 1977-02-26 Multi-stage optical directional coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979477A JPS5934287B2 (en) 1977-02-26 1977-02-26 Multi-stage optical directional coupler

Publications (2)

Publication Number Publication Date
JPS53106058A true JPS53106058A (en) 1978-09-14
JPS5934287B2 JPS5934287B2 (en) 1984-08-21

Family

ID=12009242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979477A Expired JPS5934287B2 (en) 1977-02-26 1977-02-26 Multi-stage optical directional coupler

Country Status (1)

Country Link
JP (1) JPS5934287B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179819A (en) * 1981-04-28 1982-11-05 Ibm Bus system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179819A (en) * 1981-04-28 1982-11-05 Ibm Bus system
JPH0360083B2 (en) * 1981-04-28 1991-09-12 Intaanashonaru Bijinesu Mashiinzu Corp

Also Published As

Publication number Publication date
JPS5934287B2 (en) 1984-08-21

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