JPS53137686A - Semiconductor laser unit - Google Patents
Semiconductor laser unitInfo
- Publication number
- JPS53137686A JPS53137686A JP5225877A JP5225877A JPS53137686A JP S53137686 A JPS53137686 A JP S53137686A JP 5225877 A JP5225877 A JP 5225877A JP 5225877 A JP5225877 A JP 5225877A JP S53137686 A JPS53137686 A JP S53137686A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- laser unit
- laser element
- implanting
- width
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
- H01S5/0262—Photo-diodes, e.g. transceiver devices, bidirectional devices
- H01S5/0264—Photo-diodes, e.g. transceiver devices, bidirectional devices for monitoring the laser-output
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
PURPOSE:To effectively detect the oscillated light, by implanting a semiconductor layer of high resistance between a semiconductor laser element and a photo detecting element with the width of forbidden energy band than that of the laser element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5225877A JPS53137686A (en) | 1977-05-06 | 1977-05-06 | Semiconductor laser unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5225877A JPS53137686A (en) | 1977-05-06 | 1977-05-06 | Semiconductor laser unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53137686A true JPS53137686A (en) | 1978-12-01 |
Family
ID=12909718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5225877A Pending JPS53137686A (en) | 1977-05-06 | 1977-05-06 | Semiconductor laser unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53137686A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5646813A (en) * | 1979-09-27 | 1981-04-28 | Taiho Yakuhin Kogyo Kk | Antitumorigenic composition |
US4794609A (en) * | 1984-12-12 | 1988-12-27 | Canon Kabushiki Kaisha | Semiconductor laser provided with a plurality of lasers in the form of an array |
-
1977
- 1977-05-06 JP JP5225877A patent/JPS53137686A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5646813A (en) * | 1979-09-27 | 1981-04-28 | Taiho Yakuhin Kogyo Kk | Antitumorigenic composition |
US4794609A (en) * | 1984-12-12 | 1988-12-27 | Canon Kabushiki Kaisha | Semiconductor laser provided with a plurality of lasers in the form of an array |
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