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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