期刊
OPTICS EXPRESS
卷 21, 期 11, 页码 13467-13478出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.013467
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- RFBR [12-02-01093, 13-02-00407]
- PSC-CUNY grant
- Dynasty Foundation
We show that in plasmonic systems, exact loss compensation can be achieved with the help of spasers pumped over a wide range of pumping values both below and above the spasing threshold. We demonstrate that the difference between spaser operation below and above the spasing threshold vanishes, when the spaser is synchronized by an external field. As the spasing threshold loses its significance, a new pumping threshold, the threshold of loss compensation, arises. Below this threshold, which is smaller than the spasing threshold, compensation is impossible at any frequency of the external field. (C) 2013 Optical Society of America
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