Frequency allocation scheme and transmission system for polarization and wavelength division multiplexed signals with left and right side filtering
US6748134B2 · kind B2 · utility
6Cited by
3References
3Claims
0Family size
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Key dates
| Filing date | Feb 6, 2002 |
| Grant date | Jun 8, 2004 |
| Priority date | — |
| Expiry date | Feb 27, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A frequency allocation scheme for optical channels transmitted via a WDM transmission line with alternating left side and right side filtering for adjacent channels, with alternating channel spacing of A and B, where A<B, and with two sets of channels orthogonally polarized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.