PROJECT TITLE :
Dual Metamaterial With Large Birefringence
Strong birefringence and a giant phase delay are highly fascinating for high-potency and compact wave plates. So as to reinforce the phase delay, we tend to mix a semiconductor metamaterial (SMM) and split-ring resonators (SRRs) into a unique twin metamaterial, which exhibits two varieties of resonance response, i.e., one type is mainly induced by the SMM for one polarization element of the incident wave, and the opposite is especially induced by the SRRs for the opposite orthogonal polarization part. The distinctive resonance characteristics cause massive birefringence and, hence, a considerable part delay, enabling the realization of a terribly compact quarter-wave plate in the middle-infrared spectrum. The concept of the twin metamaterial has the potential for developing ultracompact high-performance microoptical/nanooptical components.
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