Photons on roundabout route could get caught in action

Proposed twist on double-slit experiment could identify light that weaves in and out

triple slit experiment

MEANDERING LIGHT  A new study quantifies the amount of light that takes a circuitous route (such as the purple one) through three slits. Traditionally physicists have accounted for paths involving only one slit per photon (green).

Copyright 2014 by The American Physical Society

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