Article

Remote distribution of a mode-locked pulse train with sub 40-as jitter.

Optics Express (Impact Factor: 3.55). 01/2007; 14(25):12134-44. DOI: 10.1364/OE.14.012134
Source: PubMed

ABSTRACT Remote transfer of an ultralow-jitter microwave frequency reference signal is demonstrated using the pulse trains generated by a mode-locked fiber laser. The timing jitter in a ~ 30-m fiber link is reduced to 38 attoseconds (as) integrated over a bandwidth from 1 Hz to 10 MHz via active stabilization which represents a significant improvement over previously reported jitter performance. Our approach uses an all-optical generation of the synchronization error signal and an accompanying out-of-loop optical detection technique to verify the jitter performance.

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