Wavelength-selective optical fiber components using cladding-mode assisted coupling
US6850665B2 · kind B2 · utility
35Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2002 |
| Grant date | Feb 1, 2005 |
| Priority date | — |
| Expiry date | Feb 11, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/29332
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A wavelength-selective optical device for coupling of light at predetermined wavelength from one optical fiber waveguide to another using at least two gratings and cladding-mode assisted coupling is disclosed. The transfer of light is performed using intermediate coupling to one or more cladding mode of the waveguides. In the case when the fibers have physically different cladding's, an arrangement for transfer of light from one cladding to another is required. The disclosed coupler has no back-reflection, small insertion loss, and very high channel isolation. The device can be used in wavelength-division multiplexing networks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.