JPS5728384A - Semiconductor laser - Google Patents
Semiconductor laserInfo
- Publication number
- JPS5728384A JPS5728384A JP10294480A JP10294480A JPS5728384A JP S5728384 A JPS5728384 A JP S5728384A JP 10294480 A JP10294480 A JP 10294480A JP 10294480 A JP10294480 A JP 10294480A JP S5728384 A JPS5728384 A JP S5728384A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- xalxas
- type
- clad
- resonators
- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/16—Window-type lasers, i.e. with a region of non-absorbing material between the active region and the reflecting surface
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
PURPOSE:To decrease a temperature rise of a light emitting region even when optical output is increased, and to prevent the fracture of the device by using a section near a laser resonance surface as a clad layer in the lateral direction junction stripe laser. CONSTITUTION:Convex regions 11 are formed at the side of a pair of resonance surfaces 8 of both side surfaces of a semi-insulating GaAs substrate 1 constituting the lateral direction junction stripe laser, and a region 15 held by the regions 11 is shaped concavely. The N type Ga1-xAlxAs first clad layer 12 with uniform thickness in accordance with these unevenness is grown on the substrate 1, and an N type Ca1-xAlxAs active layer 13, thickness thereof is equalized similarly, is formed on the layer 12. An N type Ga1-xAlxAs second clad layer 14 is grown in an epitaxial shape at extremely slow speed, and the surface is flatted. In this constitution, the rate of Al in the active layer 13 is made 0.2 or lower, the forbidden band width of the clad layers 12, 14 wider than the layer 13 and the width of the convex regions 11 a quarter of lower of length between both end surface of the resonators 8. Accordingly, currents do not concentrate near the end surfaces of the resonators 8, and the device is not broken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10294480A JPS5728384A (en) | 1980-07-26 | 1980-07-26 | Semiconductor laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10294480A JPS5728384A (en) | 1980-07-26 | 1980-07-26 | Semiconductor laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5728384A true JPS5728384A (en) | 1982-02-16 |
Family
ID=14340931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10294480A Pending JPS5728384A (en) | 1980-07-26 | 1980-07-26 | Semiconductor laser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5728384A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62270472A (en) * | 1986-05-19 | 1987-11-24 | オリエンタル建設株式会社 | Construction material of organic fiber reinforced cement andmanufacture |
| JPH051653U (en) * | 1991-06-27 | 1993-01-14 | ダイハツ工業株式会社 | Steering column cover |
-
1980
- 1980-07-26 JP JP10294480A patent/JPS5728384A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62270472A (en) * | 1986-05-19 | 1987-11-24 | オリエンタル建設株式会社 | Construction material of organic fiber reinforced cement andmanufacture |
| JPH051653U (en) * | 1991-06-27 | 1993-01-14 | ダイハツ工業株式会社 | Steering column cover |
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