Grating coupler with monolithically integrated quantum well index modulator
US4904045A · kind A · utility
30Cited by
10References
9Claims
0Family size
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Key dates
| Filing date | Mar 25, 1988 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Mar 25, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/5045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A grating coupler is combined with a quantum well index modulator and an optical waveguide to alter the reverse or forward coupling characteristics between two different propagation modes of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.