Journal
OPTICS COMMUNICATIONS
Volume 282, Issue 4, Pages 661-665Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2008.10.074
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Funding
- NSF [ECS-0631347, HRD-0833184]
- DOE [DE-FG02-06ER46297]
- Direct For Education and Human Resources
- Division Of Human Resource Development [0833184] Funding Source: National Science Foundation
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We analyze the optical response of small-diameter (less than or similar to 1 nm) semiconducting carbon nanotubes under the exciton-surface-plasmon coupling. Calculated optical absorption lineshapes exhibit the significant line (Rabi) splitting similar to 0.1-0.3 eV as the exciton energy is tuned to the nearest interband surface plasmon resonance of the nanotube so that the mixed strongly coupled surface plasmon-exciton excitations are formed. We discuss possible ways to bring the exciton in resonance with the surface plasmon. The exciton-plasmon Rabi splitting effect we predict here for an individual carbon nanotube is close in its magnitude to that previously reported for hybrid plasmonic nanostructures artificially fabricated of organic semiconductors deposited on metallic films. We believe this effect may be used for the development of carbon nanotube based tunable optoelectronic device applications in areas such as nanophotonics and cavity quantum electrodynamics. (c) 2008 Elsevier B.V. All rights reserved.
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