Optical demultiplexing system and method
US6714702B2 · kind B2 · utility
13Cited by
1References
20Claims
0Family size
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Key dates
| Filing date | Apr 3, 2001 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Feb 9, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/12021
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical demultiplexer has a coarse filter 41,43,45 and a plurality of arrayed waveguide gratings (AWGs) 49 connected to respective outputs of the coarse filter 41,43,45. The AWGs are of like design with a plurality of configurations and are arranged to have a configuration corresponding to be frequency range output on the respective output. The device can be used in WDM systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.