Segmented complex fiber gratings
US6314220A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1998 |
| Grant date | Nov 6, 2001 |
| Priority date | — |
| Expiry date | Jul 22, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12107
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A waveguide that is operative to produce a reflected optical signal having a spectral profile corresponding to a product of a spectral profile of an input optical signal and a predetermined complex-valued spectral filtering function wherein the waveguide includes a plurality of spatially distinct subgratings each possessing a periodic array of diffraction elements. The subgratings are situated and configured based on the predetermined complex-valued spectral filtering function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.