In this work we discuss two recent experiments in the frequency- and time-domain for electromagnetic waves tunneling through an optical multilayer also known as 1DPC. These experiments are intended to demonstrate measurability and hence the physical reality of the superluminal (exceeding the speed of light in vacuum) group velocities for evanescent modes. Despite these anomalous velocities, Einstein causality is not violated since the front (Sommerfeld forerunner) remains luminal.
Frequency- and time-domain detection of superluminal group velocities in one dimensional photonic crystals (1DPC)
SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM - 2000 ; 2000 ; Albuquerque, New Mexico (USA)
AIP Conference Proceedings ; 504 , 1 ; 1093-1098
2000-01-19
6 pages
Conference paper
Electronic Resource
English
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