Journal
PHYSICAL REVIEW B
Volume 77, Issue 19, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.77.195109
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One of the main problems in nanoplasmonics is the active dynamic control of optical local fields. We propose an efficient method to solve this problem. It allows one to impose coherent control of the spatiotemporal localization of the optical excitation energy in nanoplasmonic systems on the nanometer spatial and femtosecond temporal scales. This approach is based on a general idea of time reversal where the nanosystem itself plays the role of an optical antenna and resonator. It is wireless and noninvasive. This method will open up many more fundamental and engineering applications of nanoplasmonics, in particular, to ultrafast computations and information storage on the nanoscale and ultrafast nanoscale spectroscopy.
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