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. 2017 May 1;42(9):1648-1651.
doi: 10.1364/OL.42.001648.

Stabilized microwave-frequency transfer using optical phase sensing and actuation

Sascha W Schediwy, David R Gozzard, Simon Stobie, J A Malan, Keith Grainge
Free article

Stabilized microwave-frequency transfer using optical phase sensing and actuation

Sascha W Schediwy et al. Opt Lett. .
Free article

Abstract

We present a stabilized microwave-frequency transfer technique that is based on optical phase sensing and optical phase actuation. This technique shares several attributes with optical-frequency transfer and, therefore, exhibits several advantages over other microwave-frequency transfer techniques. We demonstrated the stabilized transfer of an 8000 MHz microwave-frequency signal over a 166 km metropolitan optical fiber network, achieving a fractional frequency stability of 6.8×10-14 Hz/Hz at 1 s integration and 5.0×10-16 Hz/Hz at 1.6×104 s. This technique is being considered for use on the Square Kilometre Array SKA1-mid radio telescope.

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