Time-resolved broadband analysis of slow-light propagation and superluminal transmission of electromagnetic waves in three-dimensional photonic crystals

J. Gómez Rivas, A. Farré Benet, J. Niehusmann, P. Haring Bolivar, H. Kurz

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

A time-resolved analysis of the amplitude and phase of THz pulses propagating through three-dimensional photonic crystals is presented. Single-cycle pulses of THz radiation allow measurements over a wide frequency range, spanning more than an octave below, at and above the bandgap of strongly dispersive photonic crystals. Transmission data provide evidence for slow group velocities at the photonic band edges and for superluminal transmission at frequencies in the gap. Our experimental results are in good agreement with finite-difference-time-domain simulations.
Original languageEnglish
Article number155110
Pages (from-to)155110-1/6
Number of pages6
JournalPhysical Review B
Volume71
DOIs
Publication statusPublished - 2005

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