Abstract: We outline a range of proposals on using quantum rings and nanohelices for terahertz device implementations. We show that an Aharonov-Bohm quantum ring system and a double-gated quantum ring system both permit control over the polarization properties of the associated terahertz radiation. In addition, we review the superlattice properties of a mathematically similar system, that of a nanohelix in external electric fields, which reveals negative differential conductance.
CITATION STYLE
Collier, T. P., Alexeev, A. M., Downing, C. A., Kibis, O. V., & Portnoi, M. E. (2018, December 1). Terahertz Optoelectronics of Quantum Rings and Nanohelices. Semiconductors. Pleiades Publishing. https://doi.org/10.1134/S1063782618140075
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