IT1121922B - Laser a semiconduttore,ad emissione di un singolo raggio di luce - Google Patents
Laser a semiconduttore,ad emissione di un singolo raggio di luceInfo
- Publication number
- IT1121922B IT1121922B IT23845/79A IT2384579A IT1121922B IT 1121922 B IT1121922 B IT 1121922B IT 23845/79 A IT23845/79 A IT 23845/79A IT 2384579 A IT2384579 A IT 2384579A IT 1121922 B IT1121922 B IT 1121922B
- Authority
- IT
- Italy
- Prior art keywords
- emissing
- light
- semiconductor laser
- single beam
- laser
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/24—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate of the light emitting region, e.g. non-planar junction
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/223—Buried stripe structure
- H01S5/2232—Buried stripe structure with inner confining structure between the active layer and the lower electrode
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/223—Buried stripe structure
- H01S5/2232—Buried stripe structure with inner confining structure between the active layer and the lower electrode
- H01S5/2234—Buried stripe structure with inner confining structure between the active layer and the lower electrode having a structured substrate surface
-
- 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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/223—Buried stripe structure
- H01S5/2232—Buried stripe structure with inner confining structure between the active layer and the lower electrode
- H01S5/2234—Buried stripe structure with inner confining structure between the active layer and the lower electrode having a structured substrate surface
- H01S5/2235—Buried stripe structure with inner confining structure between the active layer and the lower electrode having a structured substrate surface with a protrusion
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Geometry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92977678A | 1978-07-31 | 1978-07-31 | |
US06/004,143 US4215319A (en) | 1979-01-17 | 1979-01-17 | Single filament semiconductor laser |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7923845A0 IT7923845A0 (it) | 1979-06-25 |
IT1121922B true IT1121922B (it) | 1986-04-23 |
Family
ID=26672669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23845/79A IT1121922B (it) | 1978-07-31 | 1979-06-25 | Laser a semiconduttore,ad emissione di un singolo raggio di luce |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2929719C2 (it) |
GB (1) | GB2027261B (it) |
IT (1) | IT1121922B (it) |
SE (1) | SE436670B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2062949B (en) * | 1979-10-12 | 1983-08-10 | Rca Corp | Single filament semiconductor laser with large emitting area |
US4426701A (en) * | 1981-12-23 | 1984-01-17 | Rca Corporation | Constricted double heterostructure semiconductor laser |
GB2129211B (en) * | 1982-10-21 | 1987-01-14 | Rca Corp | Semiconductor laser and a method of making same |
FR2535121B1 (fr) * | 1982-10-25 | 1989-01-06 | Rca Corp | Laser a semi-conducteur et son procede de fabrication |
DE3240700C2 (de) * | 1982-11-04 | 1994-07-07 | Rca Corp | Verfahren zum Herstellen eines Halbleiterlasers und danach hergestellter Halbleiterlaser |
US4937836A (en) * | 1983-11-30 | 1990-06-26 | Sharp Kabushiki Kaisha | Semiconductor laser device and production method therefor |
DE4240539C2 (de) * | 1992-01-21 | 1997-07-03 | Mitsubishi Electric Corp | Verfahren zur Herstellung eines Halbleiterlasers |
-
1979
- 1979-06-25 IT IT23845/79A patent/IT1121922B/it active
- 1979-06-27 SE SE7905635A patent/SE436670B/sv not_active IP Right Cessation
- 1979-07-21 DE DE2929719A patent/DE2929719C2/de not_active Expired
- 1979-07-25 GB GB7925871A patent/GB2027261B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE436670B (sv) | 1985-01-14 |
GB2027261B (en) | 1982-10-06 |
GB2027261A (en) | 1980-02-13 |
IT7923845A0 (it) | 1979-06-25 |
SE7905635L (sv) | 1980-02-01 |
DE2929719C2 (de) | 1982-08-05 |
DE2929719A1 (de) | 1980-02-14 |
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