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Metamaterials with low loss and gain
28 Jan 2010 | Contributor(s): Mikhail A. Noginov
Optical loss caused by absorption in metal and a need for active control are among the major challenges of plasmonic metamaterials. Both can be addressed by utilizing optical gain. Recent efforts aimed at the reduction of loss and the stimulated emission in nanoplasmonic systems with gain will...
Conquering Surface Plasmon Resonance Loss in Metallic Nanostructures
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16 Oct 2007 | Online Presentations | Contributor(s): Mikhail A. Noginov
We have observed the compensation of loss in metal by gain indielectric in the mixture of Ag aggregate and rhodamine 6G dye. Thedemonstrated six-fold enhancement of the Rayleigh scattering is the evidence of the enhancement of the localized surface plasmon (SP) resonance. In the attenuated total...
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19 May 2006 | Online Presentations | Contributor(s): Mikhail A. Noginov
Random lasers are the simplest sources of stimulatedemission without cavity, with the feedback provided by scattering in a gain medium. First proposed in the late 60’s, random lasers have grown to a large research field.This lecture reviews the state of the art of random lasers,provides an...