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Atmospheric transfer of optical and radio frequency clock signals

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Sprenger,  B.
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Lu,  Z. H.
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Wang,  L. J.
Max Planck Fellow Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Sprenger, B., Zhang, J., Lu, Z. H., & Wang, L. J. (2009). Atmospheric transfer of optical and radio frequency clock signals. OPTICS LETTERS, 34(7), 965-967.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6BFD-A
Abstract
The phase instability induced during the transfer of radio frequency and optical clock signals through the turbulent atmosphere was measured in a rooftop experiment. Radio frequency intensity modulation of a laser to transmit signals over 100 m results in an Allan deviation of 1.31 x 10(-10) at 1 s. Optical transfer is more accurate at 1.68 x 10(-13) at 1 s. As a consequence, fiber links are more suitable for the transfer of optical frequencies over very long distances while free space transmission might find applications in short distances of less than 1 km. (C) 2009 Optical Society of America