Calibration apparatus and method, and wavelength division multiplexing system
US11119003B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2020 |
| Grant date | Sep 14, 2021 |
| Priority date | — |
| Expiry date | Mar 12, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/25
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A calibration apparatus in a wavelength division multiplexing system includes a sending module configured to send a first detection signal to a first multiplexing device; a receiving module configured to receive the first detection signal that passes through the first multiplexing device, and receive a second detection signal that passes through the first multiplexing device and a second multiplexing device; and a processing module configured to adjust a center frequency of the first detection signal, so that an adjusted center frequency of the first detection signal is aligned with a center frequency of the first multiplexing device, and adjust a center frequency of the second detection signal and the center frequency of the first multiplexing device, so that the center frequency of the first multiplexing device is aligned with the center frequency of the second detection signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.