All-digital radio-frequency signal distribution via optical fibers
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...[Show more]
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|Source:||IEEE Photonics Technology Letters|
|01_Hsu_All-digital_radio-frequency_2012.pdf||357.59 kB||Adobe PDF||Request a copy|
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