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RESEARCH PRODUCT
“Nonlocal” dispersion cancellation with classical light
Hanna LajunenVíctor Torres-companyAri T. Fribergsubject
PhysicsLight intensityPhotonbusiness.industryQuantum mechanicsDispersion (optics)Quantum entanglementPhotonicsQuantum information sciencebusinessQuantumCoherence (physics)description
Nonlocal dispersion cancellation [1] is a quantum phenomenon that relies on the use of a quantum light source, e.g., spontaneous parametric down-conversion (SPDC), providing temporally entangled photon pairs. Each photon in the pair propagates through a dispersive medium [see Fig. 1 (a)]. Under suitable conditions the dispersion of one photon cancels out the dispersion of the other photon, so that their intensity coincidence probability remains unchanged. Nonlocal dispersion cancellation has been experimentally demonstrated [2] and this phenomenon has subsequently triggered important applications in quantum information science, such as quantum-optical coherence tomography, distant clock synchronization, and remote transfer of spectral amplitude functions.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2009-06-01 | CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference |