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An advanced approach to control the electro-optical properties of LT-GaAs-based terahertz photoconductive antenna

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dc.contributor.authorBuryakov, A. M.
dc.contributor.authorIvanov, M. S.
dc.contributor.authorKhusyainov, D. I.
dc.contributor.authorMishina, E. D.
dc.contributor.authorNomoev, S. A.
dc.contributor.authorVasil'evskii, I. S.
dc.contributor.authorVinichenko, A. N.
dc.contributor.authorKozlovskii, K. I.
dc.contributor.authorChistyakov, A. A.
dc.contributor.authorНомоев, Сергей Андреевич
dc.contributor.authorВасильевский, Иван Сергеевич
dc.contributor.authorВиниченко, Александр Николаевич
dc.contributor.authorКозловский, Константин Иванович
dc.contributor.authorЧистяков, Александр Александрович
dc.date.accessioned2024-11-25T14:59:47Z
dc.date.available2024-11-25T14:59:47Z
dc.date.issued2020
dc.description.abstract© 2019 Elsevier LtdThis work reports on an advanced approach to the design of THz photoconductive. antenna (PCA). The LT-GaAs thin films used for the PCA fabrication were synthesized by MBE method on GaAs (100) substrate by adjusting the As pressure, As/Ga fluxes ratio, growth/annealing temperatures and annealing time. These parameters crucially affect electro-optical properties of the PCA samples as evidenced by the THz radiation power and time-domain spectroscopy measurements. The annealing temperature of 670 °C was found to be optimal for constructing a PCA possessing high amplitude of the THz radiation over the spectral range up to 1 THz at the resonance of 0.1 THz. The comparison of this PCA with the reference ZnTe crystal reveals a 2-fold increase in THz power. Furthermore, this antenna attains a 1.5-, 3-, and 2-fold increase in THz power, photocurrent efficiency, and actuating dc BV, as compared with the commercial ZOMEGA antenna. These results pave the way towards the creation of highly efficient LT-GaAs-based PCAs.
dc.identifier.citationAn advanced approach to control the electro-optical properties of LT-GaAs-based terahertz photoconductive antenna / Buryakov, A.M. [et al.] // Materials Research Bulletin. - 2020. - 10.1016/j.materresbull.2019.110688
dc.identifier.doi10.1016/j.materresbull.2019.110688
dc.identifier.urihttps://www.doi.org/10.1016/j.materresbull.2019.110688
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85075393492&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000504521200034
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/20058
dc.relation.ispartofMaterials Research Bulletin
dc.titleAn advanced approach to control the electro-optical properties of LT-GaAs-based terahertz photoconductive antenna
dc.typeArticle
dspace.entity.typePublication
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