Indistinguishable near-infrared single photons from an individual organic molecule

Journal Article · Wed Dec 15 00:00:00 EST 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.82.063803· OSTI ID:21528963

Trebbia, Jean-Baptiste; Tamarat, Philippe; Lounis, Brahim ^[1]

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1. Centre de Physique Moleculaire Optique et Hertzienne, Universite de Bordeaux and CNRS, 351 cours de la Liberation, Talence F-33405 (France)

By using the zero-phonon line emission of an individual organic molecule, we realized a source of indistinguishable single photons in the near infrared. A Hong-Ou-Mandel interference experiment is performed and a two-photon coalescence probability higher than 50% at 2 K is obtained. The contribution of the temperature-dependent dephasing processes to the two-photon interference contrast is studied. We show that the molecule delivers nearly ideal indistinguishable single photons at the lowest temperatures when the dephasing is nearly lifetime limited. This source is used to generate postselected polarization-entangled photon pairs as a test bench for applications in quantum information.

• OSTI ID: 21528963
• Journal Information: Physical Review. A, Vol. 82, Issue 6; Other Information: DOI: 10.1103/PhysRevA.82.063803; (c) 2010 The American Physical Society; ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COALESCENCE
INTERFERENCE
LIFETIME
MOLECULES
PHOTON EMISSION
POLARIZATION
PROBABILITY
QUANTUM ENTANGLEMENT
QUANTUM INFORMATION
TEMPERATURE DEPENDENCE
EMISSION
INFORMATION