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Título:
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Quantum-limited time-frequency estimation through mode-selective photon measurement
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Autores:
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Donohue, J. M. ;
Ansari, V. ;
?ehá?ek, Jaroslav ;
Hradil, Zdenek ;
Stoklasa, Bohumil ;
Paúr, Martin ;
Sánchez Soto, Luis Lorenzo ;
Silberhorn, C.
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Tipo de documento:
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texto impreso
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Editorial:
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American Physical Society, 2018-08-27
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Optica
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Tipo = Artículo
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Resumen:
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By projecting onto complex optical mode profiles, it is possible to estimate arbitrarily small separations between objects with quantum-limited precision, free of uncertainty arising from overlapping intensity profiles. Here we extend these techniques to the time-frequency domain using mode-selective sum-frequency generation with shaped ultrafast pulses. We experimentally resolve temporal and spectral separations between incoherent mixtures of single-photon level signals ten times smaller than their optical bandwidths with a tenfold improvement in precision over the intensity-only Cramer-Rao bound.
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En línea:
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https://eprints.ucm.es/id/eprint/49279/1/SanchezSotoLL%2019%20LIBRE.pdf
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