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Cavity-enhanced opt...
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Knight, S.University of Nebraska, NE 68588 USA; University of Nebraska, NE 68588 USA
(författare)
Cavity-enhanced optical Hall effect in two-dimensional free charge carrier gases detected at terahertz frequencies
- Artikel/kapitelEngelska2015
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Optical Society of America,2015
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LIBRIS-ID:oai:DiVA.org:liu-120042
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-120042URI
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https://doi.org/10.1364/OL.40.002688DOI
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Språk:engelska
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Sammanfattning på:engelska
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Funding Agencies|J.A. Woollam Foundation; National Science Foundation [DMR-1420645, EPS-1004094]; Swedish Agency for Innovation Systems [2011-03486, 2014-04712]; Swedish Foundation for Strategic Research [FFL12-0181]; Swedish Research Council [2013-5580]
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The effect of a tunable, externally coupled Fabry-Perot cavity to resonantly enhance the optical Hall effect signatures at terahertz frequencies produced by a traditional Drude-like two-dimensional electron gas is shown and discussed in this Letter. As a result, the detection of optical Hall effect signatures at conveniently obtainable magnetic fields, for example, by neodymium permanent magnets, is demonstrated. An AlInN/GaN-based high-electron mobility transistor structure grown on a sapphire substrate is used for the experiment. The optical Hall effect signatures and their dispersions, which are governed by the frequency and the reflectance minima and maxima of the externally coupled Fabry-Perot cavity, are presented and discussed. Tuning the externally coupled Fabry-Perot cavity strongly modifies the optical Hall effect signatures, which provides a new degree of freedom for optical Hall effect experiments in addition to frequency, angle of incidence, and magnetic field direction and strength. (C) 2015 Optical Society of America
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Schoeche, S.JA Woollam Co Inc, NE 68588 USA
(författare)
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Darakchieva, VanyaLinköpings universitet,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)vanda79
(författare)
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Kuhne, PhilippLinköpings universitet,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)phiku63
(författare)
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Carlin, J. -F.Ecole Polytech Federal Lausanne, Switzerland
(författare)
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Grandjean, N.Ecole Polytech Federal Lausanne, Switzerland
(författare)
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Herzinger, C. M.JA Woollam Co Inc, NE 68588 USA
(författare)
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Schubert, M.University of Nebraska, NE 68588 USA; University of Nebraska, NE 68588 USA
(författare)
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Hofmann, TinoLinköpings universitet,Halvledarmaterial,Tekniska fakulteten,University of Nebraska, NE 68588 USA; University of Nebraska, NE 68588 USA(Swepub:liu)tinho73
(författare)
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University of Nebraska, NE 68588 USA; University of Nebraska, NE 68588 USAJA Woollam Co Inc, NE 68588 USA
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Optics Letters: Optical Society of America40:12, s. 2688-26910146-95921539-4794
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