Xiaowei He

TL;DR: It is shown that large (>cm(2)) monodomain films of aligned single-walled carbon nanotubes can be prepared using slow vacuum filtration and used to create ideal polarizers in the terahertz frequency range and, by combining the method with recently developed sorting techniques, highly aligned and chirality-enriched nanotube thin-film devices.

TL;DR: In this paper, the authors showed that the inherent optical tunability of single-walled carbon nanotubes, present in their structural diversity, allows them to generate room-temperature single-photon emission spanning the entire telecom band.

TL;DR: This work reports on the development of a powerless, compact, broadband, flexible, large-area, and polarization-sensitive carbon nanotube THz detector that works at room temperature and suggests that judicious design of thermal management and quantum engineering of Seebeck coefficients will lead to further enhancement of device performance.

TL;DR: A ∼50% amplitude modulation of THz waves with gated single-layer graphene is demonstrated by the use of extraordinary transmission through metallic ring apertures placed right above the graphene layer, promising complementary metal-oxide-semiconductor compatible THz modulators with tailored operation frequencies, large on/off ratios, and high speeds.

TL;DR: This Perspective describes the recent advances in understanding and controlling the properties of single-wall carbon nanotubes as well as the progress towards the fabrication of new electrically driven single-photon sources.