http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-19980050913-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01S2301-173 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01S5-1228 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01S5-0206 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01S5-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01S5-30 |
| filingDate | 1996-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1998-09-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-19980050913-A |
| titleOfInvention | Complex-coupled distributed feedback laser device using semi-insulated indium gallium arsenide diffraction grating |
| abstract | The present invention is a light source for ultra-high-speed long distance optical communication, and has a dual effect of light absorption and current blocking to increase the fraction of gain coupling in a complex-coupled distributed feedback semiconductor laser in which gain coupling is added to an existing refractive index coupling type. By using indium gallium arsenide as a diffraction grating, the optical characteristics of the laser are increased. The present invention is based on the use of semi-insulating indium gallium arsenide as a diffraction grating in a distributed feedback type semiconductor laser for a single mode light source and by inserting the diffraction grating into an n-type indium buffer layer when using an n-type indium substrate. A device for locating the diffraction grating above the active layer so as not to have a process limitation when using a p-type indium substrate for the purpose of excluding hole injection effects that may occur when contacting the p-type semiconductor, and for freely controlling the diffraction grating thickness. Features such as design. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100679372-B1 |
| priorityDate | 1996-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 17.