Quantum-limited time-frequency estimation through mode-resolved measurements

Autor:	Zdeněk Hradil, Vahid Ansari, John M. Donohue, Christine Silberhorn, Martin Paúr, B. Stoklasa, Luis L. Sánchez-Soto, Jaroslav Řeháček
Rok vydání:	2019
Předmět:	Physics Point spread function Sum-frequency generation Mode (statistics) Quantum Photon counting Computational physics Metrology Time–frequency analysis
Zdroj:	Quantum Information and Measurement (QIM) V: Quantum Technologies.
DOI:	10.1364/qim.2019.s3d.4
Popis:	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.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::59bbca2d50602a017ddb583c1b70bf99 https://doi.org/10.1364/qim.2019.s3d.4 Zobrazit plný text záznamu