GB2027261B - Semiconductor laser - Google Patents
Semiconductor laserInfo
- Publication number
- GB2027261B GB2027261B GB7925871A GB7925871A GB2027261B GB 2027261 B GB2027261 B GB 2027261B GB 7925871 A GB7925871 A GB 7925871A GB 7925871 A GB7925871 A GB 7925871A GB 2027261 B GB2027261 B GB 2027261B
- Authority
- GB
- United Kingdom
- Prior art keywords
- semiconductor laser
- laser
- semiconductor
- 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.)
- Expired
Links
- 239000004065 semiconductor Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/821—Bodies characterised by their shape, e.g. curved or truncated substrates of the light-emitting regions, e.g. non-planar junctions
-
- 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)
- 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 |
|---|---|
| GB2027261A GB2027261A (en) | 1980-02-13 |
| GB2027261B true GB2027261B (en) | 1982-10-06 |
Family
ID=26672669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7925871A Expired GB2027261B (en) | 1978-07-31 | 1979-07-25 | Semiconductor laser |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2929719C2 (en) |
| GB (1) | GB2027261B (en) |
| IT (1) | IT1121922B (en) |
| SE (1) | SE436670B (en) |
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 (en) * | 1982-10-25 | 1989-01-06 | Rca Corp | SEMICONDUCTOR LASER AND MANUFACTURING METHOD THEREOF |
| DE3240700C2 (en) * | 1982-11-04 | 1994-07-07 | Rca Corp | Method of manufacturing a semiconductor laser and semiconductor laser produced thereafter |
| DE3484266D1 (en) * | 1983-11-30 | 1991-04-18 | Sharp Kk | SEMICONDUCTOR LASER DEVICE AND METHOD FOR THE PRODUCTION THEREOF. |
| DE4240539C2 (en) * | 1992-01-21 | 1997-07-03 | Mitsubishi Electric Corp | Method for manufacturing a semiconductor laser |
-
1979
- 1979-06-25 IT IT23845/79A patent/IT1121922B/en active
- 1979-06-27 SE SE7905635A patent/SE436670B/en not_active IP Right Cessation
- 1979-07-21 DE DE2929719A patent/DE2929719C2/en not_active Expired
- 1979-07-25 GB GB7925871A patent/GB2027261B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2929719C2 (en) | 1982-08-05 |
| IT7923845A0 (en) | 1979-06-25 |
| DE2929719A1 (en) | 1980-02-14 |
| IT1121922B (en) | 1986-04-23 |
| GB2027261A (en) | 1980-02-13 |
| SE436670B (en) | 1985-01-14 |
| SE7905635L (en) | 1980-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |