Patent · US Expired

Tunable add/drop node

US6810168B1 · kind B1 · utility

7Cited by

47References

17Claims

0Family size

Assignee

Kotura, Inc. · US

Inventors

Dazeng Feng · Arcadia, US
Wenhua Lin · Fremont, US
Xiaoming Yin · Tangxia, CN

Key dates

Filing date	May 30, 2002
Grant date	Oct 26, 2004
Priority date	—
Expiry date	Aug 8, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/29383
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An add/drop node is disclosed. The add/drop node includes a first filter configured to receive a light beam having a plurality of channels. The first filter is also configured to direct channels having wavelengths falling within a plurality of first wavelength bands to a transition waveguide. The add/drop node also includes a second filter configured to receive the channels directed to the transition waveguide. The second filter is configured to direct channels having wavelengths falling within a plurality of second wavelength bands to a drop waveguide. The first filter and/or the second filter can be tunable.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.