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American Journal of Physics -- February 2001 -- Volume 69, Issue 2, pp. 155

Choosing and rechoosing to have or have not interference

Thomas F. Jordan

Physics Department, University of Minnesota, Duluth, Minnesota 55812

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Loss and restoration of interference similar to that produced in “quantum erasure” can be demonstrated in interference of macroscopic laser beams by using polarization to distinguish light from two slits. You can choose whether to observe interference or identify the light from each slit. The choice can be reversed and repeated an unlimited number of times. It never becomes irreversible. © 2001 American Association of Physics Teachers.

© 2001 American Association of Physics Teachers

KEYWORDS and PACS

Keywords

light interference, laser beams, light polarisation, quantum optics, light coherence

PACS

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History
Received Oct 1999
Accepted Jun 2000

PUBLICATION DATA

ISSN

0002-9505 (print)  

Publisher

$abstract.society.value is a Member of CrossRef American Association of Physics Teachers

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1119/1.1290253

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