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Proceedings Paper

Infiltrated plasmonic photonic crystal cavity for sensing
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Paper Abstract

A plasmonic cavity incorporating surface plasmon polariton(SPP) mode is proposed to be used as infiltrated sensor employing sub-wavelength confinement of light. Truly Plasmonic TM mode is obtained and the mode profile of the Plasmonic Photonic Crystal Cavity (PPCC) structure is shown using three dimensional Finite Difference Time Domain Method (3D-FDTD) method. The cavity length of the structure is optimized to obtain single mode localization of resonating wavelength and the change in the cut-off wavelength is observed by varying refractive indices of the content of air holes. A transverse magnetic (TM) Plasmonic bandgap of the structure is shown and hence, the transmission spectra, Quality factor are calculated.

Paper Details

Date Published: 7 September 2011
PDF: 7 pages
Proc. SPIE 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V, 81201F (7 September 2011); doi: 10.1117/12.893754
Show Author Affiliations
Shruti ", Delhi Technological Univ. (India)
Venus Dillu, Delhi Technological Univ. (India)
R. K. Sinha, Delhi Technological Univ. (India)


Published in SPIE Proceedings Vol. 8120:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V
Shizhuo Yin; Ruyan Guo, Editor(s)

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