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Reflectionless sharp bends and corners in waveguides using epsilon-near-zero effects

J. Appl. Phys. 105, 044905 (2009); doi:10.1063/1.3074506

Published 18 February 2009

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B. Edwards,1 A. Alù,1,3 M. G. Silveirinha,2 and N. Engheta1
1Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
2Department of Electrical Engineering, Instituto de Telecomunicações, Universidade de Coimbra, 3030 Coimbra, Portugal
3Department of Electrical and Computer Engineering, University of Texas at Austin, 1 University Station, ENS 616, Austin, Texas 78712–0240, USA

Following our recent theoretical and experimental results that show how zero-permittivity metamaterials may provide anomalous tunneling and energy squeezing through ultranarrow waveguide channels, here we report an experimental investigation of the bending features relative to this counterintuitive resonant effect. We generate the required effectively zero permittivity using a waveguide operating at the cutoff of its dominant mode, and we show how sharp and narrow bends may be inserted within the propagation channel without causing any sensible reflection or loss and without affecting its tunneling properties. ©2009 American Institute of Physics
History: Received 25 July 2008; accepted 19 December 2008; published 18 February 2009
Permalink: http://link.aip.org/link/?JAPIAU/105/044905/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.79.Gn
    Optical waveguides and couplers
  • 42.70.-a
    Optical materials
  • 77.22.Ch
    Permittivity (dielectric function)
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
0021-8979 (print)   1089-7550 (online)
Publisher:
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REFERENCES (17)

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  1. A. Alù and N. Engheta, Phys. Rev. E 72, 016623 (2005).
  2. S. Enoch, G. Tayeb, P. Sabouroux, N. Guerin, and P. Vincent, Phys. Rev. Lett. 89, 213902 (2002).
  3. A. E. Serebryannikov, T. Magath, K. Schuenemann, and O. Y. Vasylchenko, Phys. Rev. B 73, 115111 (2006).
  4. R. W. Ziolkowski, Phys. Rev. E 70, 046608 (2004).
  5. A. Alù, M. G. Silveirinha, A. Salandrino, and N. Engheta, Phys. Rev. B 75, 155410 (2007).
  6. M. Silveirinha and N. Engheta, Phys. Rev. Lett. 97, 157403 (2006).
  7. M. G. Silveirinha and N. Engheta, Phys. Rev. B 76, 245109 (2007).
  8. A. Alù, M. G. Silveirinha, and N. Engheta, Phys. Rev. E 78, 016604 (2008).
  9. Q. Cheng, R. Liu, D. Huang, T. J. Cui, and D. R. Smith, Appl. Phys. Lett. 91, 234105 (2007).
  10. B. Edwards, A. Alù, M. E. Young, M. Silveirinha, and N. Engheta, Phys. Rev. Lett. 100, 033903 (2008).
  11. W. Rotman, IEEE Trans. Antennas Propag. 10, 82 (1962).
  12. R. Marqués, J. Martel, F. Mesa, and F. Medina, Phys. Rev. Lett. 89, 183901 (2002).
  13. J. D. Baena, L. Jelinek, R. Marqués, and F. Medina, Phys. Rev. B 72, 075116 (2005).
  14. S. Hrabar, J. Bartolic, and Z. Sipus, IEEE Trans. Antennas Propag. 53, 110 (2005).
  15. CST Studio Suite 2006b. www.cst.com.
  16. A. Alù and N. Engheta, Phys. Rev. B 78, 045102 (2008).
  17. A. Alù and N. Engheta, Phys. Rev. B 78, 035440 (2008).

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