Measuring dispersion of biphotons

Assaf Barak and Mordechai Segev
Phys. Rev. A 86, 043838 – Published 26 October 2012

Abstract

We study the interference pattern of biphotons passing through a dispersive medium, and devise a method for measuring dispersion in coincidence counting of entangled photons. By measuring the Gouy phase shift accompanying dispersion, we show that it fundamentally differs from the Gouy phase expected from classical models. Finally, we show that the second-order correlation function of the dispersed biphoton can be much wider than the pattern predicted from classical analog.

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  • Received 19 February 2012

DOI:https://doi.org/10.1103/PhysRevA.86.043838

©2012 American Physical Society

Authors & Affiliations

Assaf Barak and Mordechai Segev

  • Physics Department, Technion–Israel Institute of Technology, Haifa 32000, Israel

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Issue

Vol. 86, Iss. 4 — October 2012

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