2010•Journal of Physics B Atomic Molecular and Optical PhysicsOpen access

Coherent control with qudit photon states

Ines C. Rodrigues, Olavo Cosme, Sebastião Pádua

Abstract

In this paper the two-photon absorption by a molecule is studied when photons are prepared in a high-dimension entangled state. The light field is prepared in a spatial two-photon qudit state and its interaction with a molecule shows new interference effects observed in the calculated absorption cross-section. Oscillations in the absorption cross-section demonstrate its dependence on the path phases of the two-qudit state. The two-photon absorption cross-section is dependent on the dimension of the two-qudit photonic state.

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Key concepts: Absorption cross section, Two-photon absorption, Photon, Absorption (acoustics), Physics, Photonics, Dimension (graph theory), State (computer science)