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Cavity-enhanced opt...
Cavity-enhanced optical Hall effect in two-dimensional free charge carrier gases detected at terahertz frequencies
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- Knight, S. (författare)
- University of Nebraska, NE 68588 USA; University of Nebraska, NE 68588 USA
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- Schoeche, S. (författare)
- JA Woollam Co Inc, NE 68588 USA
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- Darakchieva, Vanya (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Kuhne, Philipp (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Carlin, J. -F. (författare)
- Ecole Polytech Federal Lausanne, Switzerland
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- Grandjean, N. (författare)
- Ecole Polytech Federal Lausanne, Switzerland
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- Herzinger, C. M. (författare)
- JA Woollam Co Inc, NE 68588 USA
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- Schubert, M. (författare)
- University of Nebraska, NE 68588 USA; University of Nebraska, NE 68588 USA
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- Hofmann, Tino (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten,University of Nebraska, NE 68588 USA; University of Nebraska, NE 68588 USA
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(creator_code:org_t)
- Optical Society of America, 2015
- 2015
- Engelska.
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Ingår i: Optics Letters. - : Optical Society of America. - 0146-9592 .- 1539-4794. ; 40:12, s. 2688-2691
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
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