All-digital radio-frequency signal distribution via optical fibers

Magnus T L Hsu; Yabai He; Daniel A. Shaddock; Richard B. Warrington; Malcolm B. Gray

doi:10.1109/LPT.2012.2193389

All-digital radio-frequency signal distribution via optical fibers

Magnus T L Hsu^*, Yabai He, Daniel A. Shaddock, Richard B. Warrington, Malcolm B. Gray

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

We present a radio-frequency (RF) signal distribution system via optical fibers. We utilize an all-digital platform that encompasses a phase-locked loop, numerically-controlled oscillator, and fiber phase noise cancellation system. Our system achieves a fractional frequency transfer stability of 4×10 ^-13 at 1 s and 6 × 10 ^-17 at one day for the distribution of RF signals over 70 km of optical fiber. We demonstrate that this performance can be achieved with standard crystal oscillators. Our system is scalable, configurable, and flexible, allowing distribution of signals at different frequencies while maintaining over two orders of magnitude of the fiber phase noise suppression.

Original language	English
Article number	6178268
Pages (from-to)	1015-1017
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	24
Issue number	12
DOIs	https://doi.org/10.1109/LPT.2012.2193389
Publication status	Published - 2012
Externally published	Yes

Keywords

Digital signal processing (DSP)
field programmable gate array (FPGA)
optical fibers
phasemeter
radio-frequency (RF) signal distribution

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10.1109/LPT.2012.2193389

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title = "All-digital radio-frequency signal distribution via optical fibers",

abstract = "We present a radio-frequency (RF) signal distribution system via optical fibers. We utilize an all-digital platform that encompasses a phase-locked loop, numerically-controlled oscillator, and fiber phase noise cancellation system. Our system achieves a fractional frequency transfer stability of 4×10 -13 at 1 s and 6 × 10 -17 at one day for the distribution of RF signals over 70 km of optical fiber. We demonstrate that this performance can be achieved with standard crystal oscillators. Our system is scalable, configurable, and flexible, allowing distribution of signals at different frequencies while maintaining over two orders of magnitude of the fiber phase noise suppression.",

keywords = "Digital signal processing (DSP), field programmable gate array (FPGA), optical fibers, phasemeter, radio-frequency (RF) signal distribution",

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AU - Hsu, Magnus T L

AU - He, Yabai

AU - Shaddock, Daniel A.

AU - Warrington, Richard B.

AU - Gray, Malcolm B.

PY - 2012

Y1 - 2012

N2 - We present a radio-frequency (RF) signal distribution system via optical fibers. We utilize an all-digital platform that encompasses a phase-locked loop, numerically-controlled oscillator, and fiber phase noise cancellation system. Our system achieves a fractional frequency transfer stability of 4×10 -13 at 1 s and 6 × 10 -17 at one day for the distribution of RF signals over 70 km of optical fiber. We demonstrate that this performance can be achieved with standard crystal oscillators. Our system is scalable, configurable, and flexible, allowing distribution of signals at different frequencies while maintaining over two orders of magnitude of the fiber phase noise suppression.

AB - We present a radio-frequency (RF) signal distribution system via optical fibers. We utilize an all-digital platform that encompasses a phase-locked loop, numerically-controlled oscillator, and fiber phase noise cancellation system. Our system achieves a fractional frequency transfer stability of 4×10 -13 at 1 s and 6 × 10 -17 at one day for the distribution of RF signals over 70 km of optical fiber. We demonstrate that this performance can be achieved with standard crystal oscillators. Our system is scalable, configurable, and flexible, allowing distribution of signals at different frequencies while maintaining over two orders of magnitude of the fiber phase noise suppression.

KW - Digital signal processing (DSP)

KW - field programmable gate array (FPGA)

KW - optical fibers

KW - phasemeter

KW - radio-frequency (RF) signal distribution

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M3 - Article

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JO - IEEE Photonics Technology Letters

JF - IEEE Photonics Technology Letters

IS - 12

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ER -

All-digital radio-frequency signal distribution via optical fibers

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