Towards the lasing spaser: controlling metamaterial optical response with semiconductor quantum dots.
We report the first experimental demonstration of compensating Joule losses in metallic photonic metamaterial using optically pumped PbS semiconductor quantum dots.
Optoelectronics Research Centre, University of Southampton, Southampton, United Kingdom. erp@orc.soton.ac.uk
E
E
Plum
V A
VA
Fedotov
P
P
Kuo
D P
DP
Tsai
N I
NI
Zheludev