Volume 69, Number 1, January 2005
|Page(s)||48 - 54|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||08 December 2004|
Induced optical tunneling
Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504 CNRS-ULP 23 rue du Lœss, F-67037 Strasbourg Cedex, France
2 Laboratoire de Physique Théorique, Université Louis Pasteur, UMR 7085 CNRS-ULP 3 rue de l'Université, F-67084 Strasbourg Cedex, France
Accepted: 25 October 2004
It is shown that the transmission of light through an optical barrier can be increased by varying momentarily the refractive index in the front prism with the help of light pulses of short duration and weak intensity. The observed phenomenon provides the first experimental evidence of the existence of a tunnel effect induced by the small motions of a potential barrier.
PACS: 42.50.-p – Quantum optics / 78.47.+p – Time-resolved optical spectroscopies and other ultrafast optical measurements in condensed matter / 03.65.Xp – Tunneling, traversal time, quantum Zeno dynamics
© EDP Sciences, 2005
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