The Nonlocal Pancharatnam Phase in Two-Photon Interferometry
Quantum Physics
2010-10-06 v3 Strongly Correlated Electrons
Abstract
We propose a polarised intensity interferometry experiment, which measures the nonlocal Pancharatnam phase acquired by a pair of Hanbury Brown-Twiss photons. The setup involves two polarised thermal sources illuminating two polarised detectors. Varying the relative polarisation angle of the detectors introduces a two photon geometric phase. Local measurements at either detector do not reveal the effects of the phase, which is an optical analog of the multiparticle Aharonov-Bohm effect. The geometric phase sheds light on the three slit experiment and suggests ways of tuning entanglement.
Keywords
Cite
@article{arxiv.1002.1547,
title = {The Nonlocal Pancharatnam Phase in Two-Photon Interferometry},
author = {Poonam Mehta and Joseph Samuel and Supurna Sinha},
journal= {arXiv preprint arXiv:1002.1547},
year = {2010}
}
Comments
v3: final version to appear in Phys. Rev. A (Brief Reports)