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Interference and correlation of two independent photons

Jonas Bylander (Institutionen för mikroteknologi och nanovetenskap, Kvantkomponentfysik) ; Isabelle Robert-Philip ; Izo Abram
European Physical Journal D : Atomic, Molecular and Optical Physics (1434-6060). Vol. 22 (2003), p. 295-301.
[Artikel, refereegranskad vetenskaplig]

Two independent photons, produced through the spontaneous emission of two separate emitters subject to uncorrelated dephasing processes, can display two-photon interference (i.e. coalescence into a two-photon state) when they are incident simultaneously on a beamsplitter, in a manner analogous to that of twin photons produced through degenerate parametric fluorescence. The presence of dephasing processes, however, reduces the interference contrast (i.e. the probability of coalescence), by the ratio of the coherence time to the lifetime of the emitter.

Nyckelord: PACS. 42.50.Dv Nonclassical field states; squeezed, antibunched, and sub-Poissonian states; operational definitions of the phase of the field; phase measurements – 42.50.Ct Quantum description of interaction of light and matter; related experiments – 78.67.Hc Quantum dots



Denna post skapades 2016-07-27. Senast ändrad 2016-08-15.
CPL Pubid: 239585