Towards international clock comparisons on a telecom network: ultrastable optical frequency transfer over deployed multi-core fiber.

Nazanin Hoghooghi,Mikael Mazur,Nicolas K. Fontaine,Yifan Liu,Tetsuya Hayashi,Giammarco Di Sciullo, Divya Ann Shaji,Antonio Mecozzi,Cristian Antonelli,Franklyn Quinlan

Optical Fiber Communications Conference and Exhibition（2024）

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摘要

We present optical frequency transfer over deployed multi-core fiber at levels that support the world’s best optical clocks for the first time, achieving fractional frequency stability better than 3×10 ^-19 through 25.2 km of fiber.

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关键词

Optical Frequency,Clock Comparison,White Noise,Optical Fiber,Fiber Bundles,Significant Transfer,Phase Noise,Beat Frequency,Local Oscillator,Light Frequency,Optical Fiber Communication,Acousto-optic Modulator,Reference Path,Fiber Link,Receiver End,Link Performance,End Of Link

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