Macroscopic quantum correlation in a delayed-choice quantum eraser scheme
Abstract
Quantum entanglement is known as a unique feature of quantum mechanics, which cannot be obtained from classical physics. Recently, a coherence interpretation has been conducted for the delayed-choice quantum eraser using coherent photon pairs, where phase-locked symmetric frequency detuning between paired photons plays an essential role for selective measurement-caused nonlocal correlation. Here, a macroscopic version of the nonlocal correlation is presented using orthogonally polarized optical fields in a continuous wave quantum eraser scheme in a Mach-Zehnder interferometer (MZI). The resulting polarization projection of each MZI output fields onto a rotated polarizer satisfies the violation of the cause-effect relation. Based on this macroscopic quantum eraser, the intensity product between two projected output fields satisfies the inseparable joint-parameter relation if the intensity product is selectively measured through a low pass filter to block beating signals between them.
Cite
@article{arxiv.2211.10840,
title = {Macroscopic quantum correlation in a delayed-choice quantum eraser scheme},
author = {Byoung S. Ham},
journal= {arXiv preprint arXiv:2211.10840},
year = {2022}
}
Comments
6 page, 1 figure