Bi-Directional add/drop multiplexer and bidirectional add/drop amplifier module for wavelength interleaved bidirectional networks
US6529656B2 · kind B2 · utility
6Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2001 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Apr 21, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2210/256
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a bi-directional add/drop multiplexer (BADM) and a bi-directional add/drop amplifier (BADA) module which add/drop wavelength-interleaved counter-propagating signals. The mid-stage device in the BADM and the BADA module is shared by the counter-propagating signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.