Time-domain measurement of negative group delay in negative-refractive-index transmission-line metamaterials

@article{Siddiqui2004TimedomainMO,
  title={Time-domain measurement of negative group delay in negative-refractive-index transmission-line metamaterials},
  author={O. Siddiqui and S. Erickson and G. V. Eleftheriades and Mo. Mojahedi},
  journal={IEEE Transactions on Microwave Theory and Techniques},
  year={2004},
  volume={52},
  pages={1449-1454}
}
We have simulated and constructed a one-dimensional metamaterial composed of a periodically loaded transmission line that exhibits both negative and positive group velocities in a band of effective negative index of refraction. The negative group velocity or, equivalently, the negative group delay, is demonstrated theoretically and experimentally in the time domain using modulated Gaussian pulses. Due to this negative delay, we can show an output pulse peak emerging from the loaded transmission… CONTINUE READING
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