Lecture Notes in Physics Volume 702, 2006, pp 506-531

Do Evanescent Modes Violate Relativistic Causality?

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Abstract

Time dependent experiments with evanescent modes (photonic tunneling) can be performed with high precision and at a macroscopic scale with microwaves in the range of meters or in the infrared regime in the range of centimeters. The infrared technology is the present day digital signal processing and transmission. Superluminal (faster than light) signal transmission by evanescent modes was shown by Enders and Nimtz already 1992 [1].