Electro-optical modulator working point control device and method
An electro-optic modulator and control device technology, applied in the field of optical transmission network, can solve the problems of limiting control loop accuracy and complex control circuit, and achieve fast response speed, good control effect and simple circuit
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0038] In order to facilitate a further understanding of the structure, method and achieved effects of the present invention, preferred embodiments are described in detail below in conjunction with the accompanying drawings.
[0039] According to the application requirements, each channel of the polarization coherent modulator is required to work at the maximum output optical power point, that is, the middle level of the data signal is located at the minimum point of the optical characteristic curve, such as figure 2 Shown, while the pai / 2 optical phase shift corresponds to the RF (radio frequency) signal minimum point. The photocurrent signal is detected by the PD (photodetector) of the modulator and the signal is mirrored, and the optical power is monitored all the way, and the monitored amount is input to the MCU (microprocessor) to obtain the control amount by software algorithm, and then through the DA (digital-analog converter) to adjust the I / Q bias of the modulator, a...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com