Tunable filter with core mode blocker
US6631224B2 · kind B2 · utility
16Cited by
15References
69Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2001 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Jan 19, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0217
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optic apparatus includes an optical fiber with a cladding surrounding a core and a core-mode blocker included in at least a portion of an interactive region of the optical fiber. A mode coupler is coupled to the optical fiber and couples a first mode to a different spatial mode in a forward direction of the optical fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.