Xiao Xiang, R. Dong, Shaofeng Wang, N. Treps, C. Fabre, Tao Liu, Shougang Zhang
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Quantum-enhanced interferometric timing measurement with a squeezed optical frequency comb
The first quantum-enhanced interferometric timing measurement with a squeezed optical frequency comb was demonstrated. The timing resolution at 2 MHz was improved from a shot-noise limited value of (2.8 ± 0.1) × 10−20 s to (2.4 ± 0.1) × 10−20 s.
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