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Title: Continuous terahertz emission from dipolaritons
Authors: Kristinsson, Kristinn
Kyriienko, Oleksandr
Liew, Timothy Chi Hin
Shelykh, Ivan A.
Keywords: THz emission
Issue Date: 2013
Source: Kristinsson, K., Kyriienko, O., Liew, T. C. H., & Shelykh, I. A. (2013). Continuous terahertz emission from dipolaritons. Physical Review B, 88(24), 245303-.
Series/Report no.: Physical Review B
Abstract: We propose a scheme of continuous tunable THz emission based on dipolaritons, mixtures of strongly interacting cavity photons and direct excitons, where the latter are coupled to indirect excitons via tunneling. We investigate the property of multistability under continuous wave (CW) pumping, and the stability of the solutions. We establish the conditions of parametric instability, giving rise to oscillations in density between the direct-exciton and indirect-exciton modes under CW pumping. In this way, we achieve continuous and tunable emission in the THz range in a compact single-crystal device. We show that the emission frequency can be tuned in a certain range by varying an applied electric field and pumping conditions. Finally, we demonstrate the dynamic switching between different phases in our system, allowing rapid control of THz radiation.
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.88.245303
Rights: © 2013 American Physical Society. This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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