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Increasing coupling of terahertz radiation into a low dispersion, broadband two-wire waveguide is an important issue to address. To resolve this, we demonstrate an active two-wire waveguide with higher performance compared to its passive counterpart.
Novel meta-coaxial nanoantennas are studied numerically, fabricated and experimentally characterized. These antennas provide local field enhancements of 200–800, super-localized fields with spatial FWHM of ∼1nm, and wide spectral ranges with FWHM bandwidths greater than 900nm.
We demonstrate an integrated photonic electromagnetic field sensor based on an electrooptic polymer refilled slot photonic crystal waveguide modulator driven by a bowtie-antenna. The minimum detectable electric field is measured to be 2.5V/m at 8.4GHz.
We determine the frequency derivative of the composite phase of transmission eigenchannels and relate this to their contribution to the density of states, their dwell time and their intensity profile within the random medium.
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