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Field-effect induced tunability in hyperbolic metamaterials

Papadakis, Georgia T. and Atwater, Harry A. (2015) Field-effect induced tunability in hyperbolic metamaterials. Physical Review B, 92 (18). Art. No. 184101. ISSN 1098-0121. doi:10.1103/PhysRevB.92.184101.

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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.

Item Type:Article
Related URLs:
URLURL TypeDescription Material Paper
Papadakis, Georgia T.0000-0001-8107-9221
Atwater, Harry A.0000-0001-9435-0201
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.
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG02-07ER46405
NSF Graduate Research FellowshipUNSPECIFIED
Issue or Number:18
Classification Code:PACS number(s): 81.05.Xj, 78.67.Pt, 73.20.Mf
Record Number:CaltechAUTHORS:20151201-104810012
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62497
Deposited By: Tony Diaz
Deposited On:02 Dec 2015 02:12
Last Modified:10 Nov 2021 23:03

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