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Ultrafast Generation of Fundamental and Multiple-order Phonon Excitations in Highly-Enriched (6,5) Single-Wall Carbon Nanotubes
Y. -S. Lim, A. R. T. Nugraha, S. -J. Cho +14
Using a macroscopic ensemble of highly-enriched (6,5) single-wall carbon nanotubes, combined with high signal-to-noise ratio, time-dependent differential transmission spectroscopy,…
Fermi-Edge Superfluorescence from a Quantum-Degenerate Electron-Hole Gas
J. -H. Kim, G. T. Noe, S. A. McGill +4
We report on the observation of spontaneous bursts of coherent radiation from a quantum-degenerate gas of nonequilibrium electron-hole pairs in semiconductor quantum wells. Unlike…
Plasmonic Nature of the Terahertz Conductivity Peak in Single-Wall Carbon Nanotubes
Q. Zhang, E. H. Haroz, Z. Jin +5
Plasmon resonance is expected to occur in metallic and doped semiconducting carbon nanotubes in the terahertz frequency range, but its convincing identification has so far been elu…
Terahertz Science and Technology of Carbon Nanomaterials
R. R. Hartmann, J. Kono, M. E. Portnoi
The diverse applications of terahertz radiation and its importance to fundamental science makes finding ways to generate, manipulate, and detect terahertz radiation one of the key…
A table-top, repetitive pulsed magnet for nonlinear and ultrafast spectroscopy in high magnetic fields up to 30 T
G. Timothy Noe, Hiroyuki Nojiri, Joseph Lee +3
We have developed a mini-coil pulsed magnet system with direct optical access, ideally suited for nonlinear and ultrafast spectroscopy studies of materials in high magnetic fields…
Review of Anisotropic Terahertz Material Response
T. Arikawa, Q. Zhang, L. Ren +2
Anisotropy is ubiquitous in solids and enhanced in low-dimensional materials. In response to an electromagnetic wave, anisotropic absorptive and refractive properties result in dic…