JPS5448569A - Photo switch - Google Patents

Photo switch

Info

Publication number
JPS5448569A
JPS5448569A JP11527477A JP11527477A JPS5448569A JP S5448569 A JPS5448569 A JP S5448569A JP 11527477 A JP11527477 A JP 11527477A JP 11527477 A JP11527477 A JP 11527477A JP S5448569 A JPS5448569 A JP S5448569A
Authority
JP
Japan
Prior art keywords
optical guides
films
change
voltage
layer
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
JP11527477A
Other languages
English (en)
Inventor
Hitoshi Kawaguchi
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 JP11527477A priority Critical patent/JPS5448569A/ja
Publication of JPS5448569A publication Critical patent/JPS5448569A/ja
Pending legal-status Critical Current

Links

JP11527477A 1977-09-26 1977-09-26 Photo switch Pending JPS5448569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11527477A JPS5448569A (en) 1977-09-26 1977-09-26 Photo switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11527477A JPS5448569A (en) 1977-09-26 1977-09-26 Photo switch

Publications (1)

Publication Number Publication Date
JPS5448569A true JPS5448569A (en) 1979-04-17

Family

ID=14658594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11527477A Pending JPS5448569A (en) 1977-09-26 1977-09-26 Photo switch

Country Status (1)

Country Link
JP (1) JPS5448569A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139114A (ja) * 1982-02-12 1983-08-18 Nippon Telegr & Teleph Corp <Ntt> 半導体光スイツチ
JPS6136726A (ja) * 1984-07-30 1986-02-21 Tech Res & Dev Inst Of Japan Def Agency 光スイツチ
US4685763A (en) * 1983-03-31 1987-08-11 Sumitomo Electric Industries, Ltd. Light modulation device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58139114A (ja) * 1982-02-12 1983-08-18 Nippon Telegr & Teleph Corp <Ntt> 半導体光スイツチ
US4685763A (en) * 1983-03-31 1987-08-11 Sumitomo Electric Industries, Ltd. Light modulation device
JPS6136726A (ja) * 1984-07-30 1986-02-21 Tech Res & Dev Inst Of Japan Def Agency 光スイツチ

Similar Documents

Publication Publication Date Title
US4166669A (en) Planar optical waveguide, modulator, variable coupler and switch
JPS5670681A (en) Semiconductor luminous element
EP0378098A3 (en) Semiconductor optical device
JPS5448569A (en) Photo switch
JPS5756985A (en) Semiconductor laser
JPS55115002A (en) Waveguide type photo branching filter
JPS53128288A (en) Semiconductor laser element and production of the same
JPS55140286A (en) Buried heterogeneous structure semiconductor for use in laser
JPS5712572A (en) Photo semiconductor device
JPS5730389A (en) Optical communication device using optical semiconductor element for transmission and reception
JPS5518094A (en) Semiconductor laser device with high optical output and horizontal fundamental mode
JPS5288354A (en) Optical waveguide device
JPS6440813A (en) Semiconductor directional coupler type optical switch
JPS55125692A (en) Semiconductor laser
JPS5524418A (en) Light integrated circuit
JPS5522807A (en) Semiconductor laser element and manufacturing of the same
JPS5661182A (en) Gap green light-emitting element
JPS5789712A (en) Optical circuit
JPS644083A (en) Photovoltaic device
JPS5645087A (en) Semiconductor device
JPS56167372A (en) Solar cell
JPS5311589A (en) Diffraction grating coupling type semiconductor laser
JPS55154792A (en) Semiconductor laser
JPS5288353A (en) Optical waveguide device
JPS57178397A (en) Semiconductor optical waveguide element