Eavesdropping time and frequency: phase noise cancellation along a time-varying path, such as an optical fiber

Abstract

Single-mode optical fiber is a highly efficient connecting medium, used not only for optical telecommunications but also for the dissemination of ultra-stable frequencies or timing signals. In 1994, Ma, Jungner, Ye and Hall described a measurement and control system to deliver the same optical frequency at two places, namely the two ends of a fiber, by eliminating the "fiber-induced phase-noise modulation, which corrupts high-precision frequency-based applications". We present a simple detection and control scheme to deliver the same optical frequency at many places anywhere along a transmission path, or in its vicinity, with a relative instability of 1 part in $10^{19}$. The same idea applies to radio frequency and timing signals. This considerably simplifies future efforts to make precise timing/frequency signals available to many users, as required in some large scale science experiments.

4 pages

References in corpus (6)

• An Optical Lattice Clock with Accuracy and Stability at the $10^{-18}$ Level
• An atomic clock with $10^{-18}$ instability
• Simultaneous remote transfer of accurate timing and optical frequency over a public fiber network
• In-line extraction of an ultra-stable frequency signal over an optical fiber link
• Fiber Based Multiple-Access Optical Frequency Dissemination
• Chirped Frequency Transfer with an accuracy of $10^{-18}$ and its Application to the Remote Synchronisation of Timescales

Cited by in corpus (22)

• Geodesy and metrology with a transportable optical clock
• Atomic Clocks for Geodesy
• Test of special relativity using a fiber network of optical clocks
• Coherent optical frequency transfer at 5e-19 over a doubled 642 km fiber link
• Tackling the Limits of Optical Fiber Links
• In-line extraction of an ultra-stable frequency signal over an optical fiber link
• High-bandwidth transfer of phase stability through a fiber frequency comb
• All-passive multiple-place optical phase noise cancellation
• Ultra-stable optical frequency dissemination on a multi-access fibre network
• Branching optical frequency transfer with enhanced post automatic phase noise cancellation
• Multi-node optical frequency dissemination with post automatic phase correction
• Passive Optical Phase Stabilization on a Ring Fiber Network
• Phase noise cancellation in polarisation-maintaining fibre links
• Portable Microwave Frequency Dissemination in Free Space and Implications on Ground-Satellite Synchronization
• Open-Loop Polarization Mode Dispersion Mitigation for Fibre-Optic Time and Frequency Transfer
• Square Kilometer Array Telescope - Precision Reference Frequency Synchronisation via 1f-2f Dissemination
• Fiber-based ultra-stable frequency synchronization using client-side, 1f-2f active compensation method
• Fundamental Limitations of Rayleigh Backscattering Noise on Fiber-Based Multiple-Access Optical Frequency Transfer
• Experimental Demonstration of High-Precision Multi-access Time Transfer via Optical-Electrical-Optical Repeater Stations
• Fiber-based Radio Frequency Dissemination for Branching Networks with Passive Phase Noise Cancellation
• Chirped Frequency Transfer with an accuracy of $10^{-18}$ and its Application to the Remote Synchronisation of Timescales
• Dissemination stability and phase noise specification of fiber-cascaded RF frequency dissemination