Tailoring of spectral response and spatial field distribution with corrugated photonic crystal slab

We report a new physical mechanism for simultaneous tuning of quality factors, spectral responses, and field distributions in photonic crystal slabs through removal of polarization mode degeneracy using a lattice of elliptical nano-holes. The quality factors in these structures can become higher tha...

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Published in:Optics letters 2015-08, Vol.40 (16), p.3715-3718
Main Authors: Gad, Raanan, Lau, Wah Tung, Nicholaou, Costa, Ahmadi, Soroosh, Sigal, Iliya, Levi, Ofer
Format: Article
Language:English
Subjects:
Corrugating
Lattice vibration
Microwaves
Nanostructure
Optical Devices
Photonic crystals
Photons
Quality factor
Silicon Dioxide
Slabs
Spectrum Analysis
Tuning
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container_issue 16
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creator Gad, Raanan
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description We report a new physical mechanism for simultaneous tuning of quality factors, spectral responses, and field distributions in photonic crystal slabs through removal of polarization mode degeneracy using a lattice of elliptical nano-holes. The quality factors in these structures can become higher than those obtained with much smaller circular nano-holes. Furthermore, the modes can be superimposed by either rotating or morphing the elliptical nano-holes into a corrugated grating. These findings will enable improved radiation-matter interaction in optical, microwave, and THZ frequencies along with enhanced opto-acoustic coupling.
doi_str_mv 10.1364/OL.40.003715
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source Optica Publishing Group Journals
subjects Corrugating
Lattice vibration
Microwaves
Nanostructure
Optical Devices
Photonic crystals
Photons
Quality factor
Silicon Dioxide
Slabs
Spectrum Analysis
Tuning
title Tailoring of spectral response and spatial field distribution with corrugated photonic crystal slab
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