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JPS5390954A - Photo circuit element - Google Patents

Photo circuit element

Info

Publication number
JPS5390954A
JPS5390954A JP519077A JP519077A JPS5390954A JP S5390954 A JPS5390954 A JP S5390954A JP 519077 A JP519077 A JP 519077A JP 519077 A JP519077 A JP 519077A JP S5390954 A JPS5390954 A JP S5390954A
Authority
JP
Japan
Prior art keywords
circuit element
photo circuit
photo
region
waveguide
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.)
Pending
Application number
JP519077A
Other languages
Japanese (ja)
Inventor
Kenichi Kuroda
Koichi Hamanaka
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP519077A priority Critical patent/JPS5390954A/en
Publication of JPS5390954A publication Critical patent/JPS5390954A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Integrated Circuits (AREA)

Abstract

PURPOSE:To eliminate the loss of light energy in a photo coupling region in a laminated waveguide by providing a region not formed with a dielectric film on the surface of the upper layer waveguide.
JP519077A 1977-01-19 1977-01-19 Photo circuit element Pending JPS5390954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP519077A JPS5390954A (en) 1977-01-19 1977-01-19 Photo circuit element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP519077A JPS5390954A (en) 1977-01-19 1977-01-19 Photo circuit element

Publications (1)

Publication Number Publication Date
JPS5390954A true JPS5390954A (en) 1978-08-10

Family

ID=11604292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP519077A Pending JPS5390954A (en) 1977-01-19 1977-01-19 Photo circuit element

Country Status (1)

Country Link
JP (1) JPS5390954A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5876803A (en) * 1981-10-30 1983-05-10 Matsushita Electric Works Ltd Optical branching circuit
JPH01144002A (en) * 1987-11-30 1989-06-06 Hitachi Ltd Optical integrated circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5876803A (en) * 1981-10-30 1983-05-10 Matsushita Electric Works Ltd Optical branching circuit
JPH01144002A (en) * 1987-11-30 1989-06-06 Hitachi Ltd Optical integrated circuit
JP2599276B2 (en) * 1987-11-30 1997-04-09 株式会社日立製作所 Optical integrated circuit

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