Noncausal time response in frustrated total internal reflection?

J.J. Carey, J. Zawadzka, D.A. Jaroszynski, K. Wynne

Research output: Contribution to journalArticle

61 Citations (Scopus)

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.
LanguageEnglish
Pages1431-1434
Number of pages3
JournalPhysical Review Letters
Volume84
Issue number7
DOIs
Publication statusPublished - 14 Feb 2000

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time response
pulses
travel
electromagnetic radiation
vacuum
cycles
propagation
air
photons
energy

Keywords

  • time response
  • internal reflection
  • noncausal

Cite this

Carey, J.J. ; Zawadzka, J. ; Jaroszynski, D.A. ; Wynne, K. / Noncausal time response in frustrated total internal reflection?. In: Physical Review Letters. 2000 ; Vol. 84, No. 7. pp. 1431-1434.
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Noncausal time response in frustrated total internal reflection? / Carey, J.J.; Zawadzka, J.; Jaroszynski, D.A.; Wynne, K.

In: Physical Review Letters, Vol. 84, No. 7, 14.02.2000, p. 1431-1434.

Research output: Contribution to journalArticle

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