Stable radio frequency dissemination by simple hybrid frequency modulation scheme.
This engineering paper describes a fiber-based method for stable radio-frequency dissemination using a hybrid frequency modulation approach. Two RF components are transmitted simultaneously using a single laser diode, with one component used for phase fluctuation detection and the other providing a compensated stable signal. The reported experiment transferred a 200 MHz signal over 100 km of optical fiber with a 1 GHz detecting signal and achieved very low fractional instability at long averaging time.
Key points
- The system combines two RF signals and transmits them simultaneously using one laser diode.
- One RF component is used to detect phase fluctuations in the fiber link.
- The second RF component is a derivative compensated signal intended to be stable at the remote end.
- A maintained frequency ratio (parameter m) is used to avoid interference between components.
- An experimental demonstration reports stable 200 MHz transfer over 100 km optical fiber.
- The authors report fractional instability of 2Γ10(-17) at 10^5 seconds.
Referenced studies & papers
Relevant papers in OpenMel
Source:
Open original
AI-generated summaries may be incomplete or incorrect. This content is for informational purposes only and is not medical advice.
AI-generated summaries may be incomplete or incorrect. This content is for informational purposes only and is not medical advice.
Comments
Log in to comment.
No comments yet.