Abstract

We have developed a radio-frequency local oscillator remote distribution system, which transfers a phase-stabilized 10.03 GHz signal over 100 km optical fiber. The phase noise of the remote signal caused by temperature and mechanical stress variations on the fiber is compensated by a high-precision phase-correction system, which is achieved using a single sideband modulator to transfer the phase correction from intermediate frequency to radio frequency, thus enabling accurate phase control of the 10 GHz signal. The residual phase noise of the remote 10.03 GHz signal is measured to be 70dBc/Hz at 1 Hz offset, and long-term stability of less than 1×1016 at 10,000 s averaging time is achieved. Phase error is less than ±0.03π.

© 2014 Optical Society of America

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