Proposal for observing intensity-intensity–correlation speckle patterns with thermal light via phase conjugation
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© 2015 American Physical Society. In traditional Hanbury Brown-Twiss (HBT) schemes, thermal intensity-intensity correlations (IICs) are phase insensitive. Here we propose a modified HBT scheme with phase conjugation to demonstrate phase-sensitive and nonfactorizable features of thermal IIC speckles. It shows that the novel phase-sensitive features originate from the correlation between the original and phase-conjugated thermal light. Our numerical simulation confirms the possibility of experimental realization, even for the cases of the imperfect phase conjugation. Unlike two-photon speckles, our scheme uses thermal light sources, not the entangled two-photon sources. Our result provides deeper insight into thermal correlations and may lead to significant applications in imaging and speckle technologies.
author list (cited authors)
Wang, L., Al-Amri, M., & Zubairy, M. S.
complete list of authors
Wang, Li-Gang||Al-Amri, M||Zubairy, M Suhail