Field-effect induced tunability in hyperbolic metamaterials
- Creators
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Papadakis, Georgia T.
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Atwater, Harry A.
Abstract
We demonstrate that use of the field effect enables tuning of the effective optical parameters of a layered hyperbolic metamaterial at optical frequencies. Field-effect gating electrically modulates the permittivity in transparent conductive oxides via changes in the carrier density. These permittivity changes lead to active modulation of the effective electromagnetic parameters along with active control of the anisotropic dispersion surface of hyperbolic metamaterials and enable the opening and closing of photonic band gaps. Tunability of the effective electric permittivity and magnetic permeability also leads to topological transitions in the optical dispersion characteristics.
Additional Information
© 2015 American Physical Society. Received 14 April 2015; revised manuscript received 27 August 2015; published 2 November 2015. This work was supported by US Department of Energy (DOE) Office of Science grant DE-FG02-07ER46405 (G.T.P. and H.A.A.). G.T.P. acknowledges support by a National Science Foundation Graduate Research Fellowship. We acknowledge fruitful discussions with Prof. Pochi Yeh, Dr. Ho W. Lee, Dr. Krishnan Thyagarajan, Dr. Salvatore Campione and Prof. E. N. Economou.Attached Files
Published - PhysRevB.92.184101.pdf
Submitted - 1507.06645.pdf
Supplemental Material - 20150819_Field_Effect_Tunability_in_HMMs_SI.docx
Supplemental Material - 20150819_Field_Effect_Tunability_in_HMMs_SI.pdf
Supplemental Material - figS1.tif
Supplemental Material - figS2.png
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Additional details
- Eprint ID
- 62497
- Resolver ID
- CaltechAUTHORS:20151201-104810012
- Department of Energy (DOE)
- DE-FG02-07ER46405
- NSF Graduate Research Fellowship
- Created
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2015-12-02Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field