Noncausal time response in frustrated total internal reflection?

Carey, J.J. and Zawadzka, J. and Jaroszynski, D.A. and Wynne, K. (2000) Noncausal time response in frustrated total internal reflection? Physical Review Letters, 84 (7). pp. 1431-1434. ISSN 1079-7114 (http://dx.doi.org/10.1103/PhysRevLett.84.1431)

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Abstract

Tunneling of photons in frustrated total internal reflection has been studied in the time domain with single-cycle femtosecond pulses. It is seen that both the phase and energy of the pulse travel faster than the speed of light in vacuum. Theoretical analysis of the experiments shows that the time-response function for electromagnetic waves propagating in the air gap is noncausal. However, it is found that superluminal signal propagation is not possible in this case because of the inevitable diffractive spreading of the signal beam.

ORCID iDs

Carey, J.J., Zawadzka, J., Jaroszynski, D.A. ORCID logoORCID: https://orcid.org/0000-0002-3006-5492 and Wynne, K. ORCID logoORCID: https://orcid.org/0000-0002-5305-5940;
  • Item type:Article
    ID code:17504
    Dates:
    Date
    Event
    14 February 2000
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Strathprints Administrator
    Date deposited:20 Apr 2010 15:27
    Last modified:11 Nov 2024 09:16
    URI:https://strathprints.strath.ac.uk/id/eprint/17504
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