V. Ansari, J. M. Donohue, J. Řeháček, Z. Hradil, B. Stoklasa, M. Paúr, L. Sánchez‐Soto, C. Silberhorn
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引用次数: 0
Abstract
We employ time-frequency projective measurements to estimate arbitrarily small separations between objects with quantum-limited precision. We experimentally resolve temporal and spectral separations between incoherent mixtures of single-photon level signals ten times smaller than their bandwidths.