Quantum eraser experiment
Quantum erasure technology can be used to increase the resolution of advanced microscopes. The experiment uses entangled photons, which are not compatible with classical mechanics. The vast majority of photons passing through the BBO crystal are not split and must be removed from the final data set.
About Quantum eraser experiment in brief
The quantum eraser experiment is a variation of Thomas Young’s classic double-slit experiment. It establishes that when action is taken to determine which of 2 slits a photon has passed through, the photon cannot interfere with itself. Quantum erasure technology can be used to increase the resolution of advanced microscopes. It is important to understand the role of the experimental setup. The vast majority of photons passing through the BBO crystal are not split and must be removed from the final data set. The linear polarizer in the path is effectively filtering out half of the entangled photons and via the coincidence detector is filtering out the corresponding photons in the other path.
Since there is no way for the detectors to measure whether or not a photon had been entangled by an entangled pair, it is impossible to use this setup for instant communication. The experiment also creates situations in which a photon that has been “marked” to reveal through which slit it has passed can later be “unmarked.\’ The experiment uses entangled photons, which are not compatible with classical mechanics. However, only a small percentage of the light passed through the crystal is split into entangled pairs, making it possible to communicate information between detectors in a very real way. It can be seen in the video below.
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This page is based on the article Quantum eraser experiment published in Wikipedia (as of Nov. 06, 2020) and was automatically summarized using artificial intelligence.
