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Spectroscopy by frequency-entangled photon pairs

Year: 2004
Type: article
Abstract: Quantum spectroscopy was performed using the frequency-entangled broadband photon pairs generated by spontaneous parametric down-conversion. An absorptive sample was placed in front of the idler photon detector, and the frequency of signal photons was resolved by a diffraction grating. The absorption spectrum of the sample was measured by counting the coincidences, and the result is in agreement with the one measured by a conventional spectrophotometer with a classical light source.
Language: English
Open Access status: green
OpenAlex ID: W2074168384
FWCI: 1.017
Cites: 20
Cited by: 136
Related to: 10