Journal
NANO LETTERS
Volume 12, Issue 6, Pages 3097-3100Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl300975h
Keywords
Carbon nanotubes; quantum dots; terahertz detectors; nonequilibrium cooling; photon-assisted tunneling
Categories
Funding
- AFOSR [FA9550-09-1-0697, FA9550-09-1-0685]
- DOE [DE-SC0005436]
- U.S. Department of Energy (DOE) [DE-SC0005436] Funding Source: U.S. Department of Energy (DOE)
Ask authors/readers for more resources
Terahertz technology has recently emerged as a highly sought-after and versatile scientific tool in many fields, including medical imaging, security screening, and wireless communication. However, scientific progress has been hindered by the lack of sources and detectors in this frequency range, thereby known as the terahertz gap. Here, we show that carbon nanotube quantum dots coupled to antennas are extremely sensitive, broad-band, terahertz quantum detectors with spectral resolution. Their response is due to photon-assisted single-electron tunneling and it is substantially enhanced by a novel radiation-induced nonequilibrium cooling of the electrons, Coulomb oscillation peaks.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available