Optical waveguide with dissimilar core and cladding materials, and light emitting device employing the same
US6141475A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1998 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Jul 23, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/063
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical waveguide, radiation emitting device employing the same, and process for fabricating the radiation emitting device are provided. The optical waveguide has a core fabricated of a first material with a first index of refraction and cladding surrounding the core fabricated of a second material with a second index of refraction. The core is an active material which emits radiation at a desired wavelength when pumped with radiation of a predetermined wavelength, and the first material and second material are dissimilar materials, having been separately fabricated and subsequently physically assembled as the waveguide. The light emitting device employing the optical waveguide is configured either as an amplified spontaneous emission (ASE) source or laser source employing appropriate reflective materials at the ends of the optical waveguide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.