Random delayed-choice quantum eraser via two-photon imaging

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0512207v2.pdf (408.75 KB)

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https://link.springer.com/article/10.1140/epjd/e2007-00164-y

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https://doi.org/10.1140/epjd/e2007-00164-y
 http://hdl.handle.net/11603/40003

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UMBC Physics Department
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Author/Creator ORCID

https://orcid.org/0000-0002-1736-077X
 https://orcid.org/0000-0002-7812-851X

Date

2007-05-23

Type of Work

journal articles
preprints
Text

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Program

Citation of Original Publication

Scarcelli, G., Y. Zhou, and Y. Shih. “Random Delayed-Choice Quantum Eraser via Two-Photon Imaging.” The European Physical Journal D 44, no. 1 (2007): 167–73. https://doi.org/10.1140/epjd/e2007-00164-y.

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Subjects

Quantum Information
42.50.Dv Nonclassical states of the electromagnetic field, including entangled photon states; quantum state engineering and measurements
Interference Microscopy
Quantum Physics
Quantum Imaging and Sensing
03.65.Ud Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)
Multiphoton microscopy
42.50.Xa Optical tests of quantum theory
02.80.+i Fundamentals of quantum interference (quantum eraser, which-way information, etc.)
Quantum Optics
UMBC Quantum Optics Laboratory

Abstract

We report on a delayed-choice quantum eraser experimentbased on a two-photon imaging scheme using entangled photon pairs.After the detection of a photon which passed through adouble-slit, a random delayed choice is made to erase or not erasethe which-path information by the measurement of its distantentangled twin; the particle-like and wave-like behavior of thephoton are then recorded simultaneously and respectively by onlyone set of joint detection devices. The present eraser takesadvantage of two-photon imaging. The complete which-pathinformation of a photon is transferred to its distant entangledtwin through a “ghost" image. The choice is made on the Fouriertransform plane of the ghost image between reading “completeinformation" or “partial information" of the double-path.