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Bloch-like surface waves in Fibonacci quasi-crystals and Thue-Morse aperiodic dielectric multilayers
Author(s): Vijay Koju; William M. Robertson
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Paper Abstract

Bloch surface waves (BSWs) in periodic dielectric multilayer structures with surface defect have been extensively studied. However, it has recently been recognized that quasi-crystals and aperiodic dielectric multilayers also support Bloch-like surface waves (BLSWs). In this work, we numerically show the existence of BLSWs in Fibonacci quasi-crystals and Thue-Morse aperiodic dielectric multilayers using the prism coupling technique. We compare the surface field enhancement and penetration depth of BLSWs in these structures with that of BSWs in their periodic counterparts.

Paper Details

Date Published: 26 September 2016
PDF: 10 pages
Proc. SPIE 9929, Nanostructured Thin Films IX, 99290O (26 September 2016); doi: 10.1117/12.2237236
Show Author Affiliations
Vijay Koju, Middle Tennessee State Univ. (United States)
William M. Robertson, Middle Tennessee State Univ. (United States)


Published in SPIE Proceedings Vol. 9929:
Nanostructured Thin Films IX
Akhlesh Lakhtakia; Tom G. Mackay; Motofumi Suzuki, Editor(s)

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