Simulation and micro-fabrication of optically switchable split ring resonators

Date
2007-10
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Source Title
Photonics and Nanostructures - Fundamentals and Applications
Print ISSN
1569-4410
Electronic ISSN
1569-4429
Publisher
Elsevier BV
Volume
5
Issue
2-3
Pages
106 - 112
Language
English
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Abstract

The effect of conductivity variation as a proposed method for the investigation of photoconductive switching properties of split ring resonators (SRRs) is simulated. Three different systems that are applicable under certain fabrication and/or optical excitation conditions are described. The simulated transmission spectrum indicates that for a large range of dark conductivity values, complete switching of the SRR resonance is possible. One of the simulated systems, involving split ring resonators on Si substrate, was fabricated and characterized. The transmission spectrum of that system was measured, with the Si in its high-resistivity state, and a 60 dB dip between 108 and 115 GHz, due to SRRs magnetic resonance, was observed

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Published Version (Please cite this version)