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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 16 — Jun. 1, 2011
  • pp: 2370–2375

Tunable photonic bandgap in a one-dimensional superconducting-dielectric superlattice

Chun-zao Li, Shao-bin Liu, Xiang-kun Kong, Bo-rui Bian, and Xue-yong Zhang  »View Author Affiliations


Applied Optics, Vol. 50, Issue 16, pp. 2370-2375 (2011)
http://dx.doi.org/10.1364/AO.50.002370


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Abstract

The transmittance of one-dimensional photonic crystals consisting of superconductor and lossless dielectric has been systematically studied through the transfer-matrix method. Obviously, the shift of the photonic bandgap (PBG) becomes more noticeable by adjusting the thicknesses of the dielectric layers than that of superconductor layers. Furthermore, the number of PBGs can be controlled by varying the thicknesses of dielectric layers. Compared to the thicknesses of the dielectric layers, the width of the PBGs is more sensitive to the thicknesses of the superconductor layers. However, the width of the first PBG promptly varies when the thicknesses of the dielectric layers increase from 0 to 40 ‚ÄČ nm . If the contribution of the normal conducting electrons of the superconductor is nonnegligible, the temperature of the superconductor has no influence on the width of the PBGs. Moreover, the damp coefficient does not affect the PBGs under low-temperature conditions.

© 2011 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(160.4760) Materials : Optical properties
(160.5298) Materials : Photonic crystals

ToC Category:
Detectors

History
Original Manuscript: January 6, 2011
Revised Manuscript: March 22, 2011
Manuscript Accepted: March 26, 2011
Published: May 23, 2011

Citation
Chun-zao Li, Shao-bin Liu, Xiang-kun Kong, Bo-rui Bian, and Xue-yong Zhang, "Tunable photonic bandgap in a one-dimensional superconducting-dielectric superlattice," Appl. Opt. 50, 2370-2375 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-16-2370

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