JPS5299840A - Directional coupler - Google Patents

Directional coupler

Info

Publication number
JPS5299840A
JPS5299840A JP1682776A JP1682776A JPS5299840A JP S5299840 A JPS5299840 A JP S5299840A JP 1682776 A JP1682776 A JP 1682776A JP 1682776 A JP1682776 A JP 1682776A JP S5299840 A JPS5299840 A JP S5299840A
Authority
JP
Japan
Prior art keywords
directional coupler
waveguide
changing
controlling
thin film
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
JP1682776A
Other languages
English (en)
Japanese (ja)
Other versions
JPS562927B2 (enrdf_load_stackoverflow
Inventor
Osamu Mikami
Juichi Noda
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 JP1682776A priority Critical patent/JPS5299840A/ja
Publication of JPS5299840A publication Critical patent/JPS5299840A/ja
Publication of JPS562927B2 publication Critical patent/JPS562927B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Integrated Circuits (AREA)
JP1682776A 1976-02-17 1976-02-17 Directional coupler Granted JPS5299840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1682776A JPS5299840A (en) 1976-02-17 1976-02-17 Directional coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1682776A JPS5299840A (en) 1976-02-17 1976-02-17 Directional coupler

Publications (2)

Publication Number Publication Date
JPS5299840A true JPS5299840A (en) 1977-08-22
JPS562927B2 JPS562927B2 (enrdf_load_stackoverflow) 1981-01-22

Family

ID=11927005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1682776A Granted JPS5299840A (en) 1976-02-17 1976-02-17 Directional coupler

Country Status (1)

Country Link
JP (1) JPS5299840A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5669603A (en) * 1979-11-13 1981-06-11 Nec Corp Manufacture of waveguide type directional photocoupler
JPS5672406A (en) * 1979-11-20 1981-06-16 Nec Corp Light circuit element
JPH03267902A (ja) * 1990-02-26 1991-11-28 Nippon Telegr & Teleph Corp <Ntt> 光導波回路の特性調整方法およびその方法に使われる光導波回路
CN102207581A (zh) * 2010-03-31 2011-10-05 富士通株式会社 光波导器件、电子器件以及光波导器件的制造方法
JP2012128302A (ja) * 2010-12-17 2012-07-05 Keio Gijuku 導波路型光保護素子及び導波路型光保護装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5062653A (enrdf_load_stackoverflow) * 1973-10-05 1975-05-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5062653A (enrdf_load_stackoverflow) * 1973-10-05 1975-05-28

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5669603A (en) * 1979-11-13 1981-06-11 Nec Corp Manufacture of waveguide type directional photocoupler
JPS5672406A (en) * 1979-11-20 1981-06-16 Nec Corp Light circuit element
JPH03267902A (ja) * 1990-02-26 1991-11-28 Nippon Telegr & Teleph Corp <Ntt> 光導波回路の特性調整方法およびその方法に使われる光導波回路
CN102207581A (zh) * 2010-03-31 2011-10-05 富士通株式会社 光波导器件、电子器件以及光波导器件的制造方法
JP2012128302A (ja) * 2010-12-17 2012-07-05 Keio Gijuku 導波路型光保護素子及び導波路型光保護装置

Also Published As

Publication number Publication date
JPS562927B2 (enrdf_load_stackoverflow) 1981-01-22

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