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The time-varying nature of optical pulses produces correlations in the photocurrent shot noise spectrum. These correlations are exploited to produce a phase noise floor of −177 dBc/Hz on a 10 GHz photonically generated microwave signal.
We demonstrate a 10 GHz hybrid oscillator comprised of a phase stabilized optical frequency comb divider and a room temperature dielectric sapphire oscillator. Characterization of the 10 GHz microwave signal via comparison of two independent hybrid oscillators yields a combined phase noise, L(f) = −100 dBc/Hz at a 1 Hz offset and L(f) < −185 dBc/Hz for frequencies > 1 MHz. The associated...
We estimate asymptotic probabilities of a cycle slip for a non-decision aided feedforward carrier synchronizer in dispersion-uncompensated optical lines with negligible nonlinear crosstalk.
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