Sandall, IC, Porter, NE, Wagner, M, Schneider, H, Winnerl, S, Helm, M and Wilson, L
(2010)
Terahertz optical sideband emission in self-assembled quantum dots.
APPLIED PHYSICS LETTERS, 96 (20).
201105-.
Text
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Abstract
<jats:p>A multilayer quantum dot sample has been excited with a strong terahertz (THz) electric field and probed with a near-infrared (NIR) laser. First- and second-order THz optical sidebands are generated on the NIR probe beam by driving quantum dot intersublevel resonances with the THz fields. A conversion efficiency of 3×10−6 was obtained for the conversion of NIR power into sideband emission at 4 K, decreasing by a factor of 20 up to room temperature. The sideband emission wavelength can be tuned over ∼20 nm by selection of appropriate NIR and THz frequencies, due to the inhomogeneous broadening of the dot ensemble.</jats:p>
Item Type: | Article |
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Uncontrolled Keywords: | 51 Physical Sciences, 5108 Quantum Physics, 40 Engineering, 4018 Nanotechnology |
Depositing User: | Symplectic Admin |
Date Deposited: | 27 Apr 2016 15:10 |
Last Modified: | 20 Jun 2024 23:01 |
DOI: | 10.1063/1.3429681 |
Related URLs: | |
URI: | https://livrepository.liverpool.ac.uk/id/eprint/3000897 |