Spatiotemporal Dynamics and Control of Strong Coupling in Plasmonic Nanocavities
In the light−matter strong coupling regime, the excited state of quantum emitters is inextricably linked to a photonic mode, leading to hybrid states that are part light and part matter. Recently, there has been a huge effort to realize strong coupling with nanoplasmonics, since it provides a ver...
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Main Authors: | , , , , , |
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Other Authors: | |
Format: | Article |
Language: | English |
Published: |
2017
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/86564 http://hdl.handle.net/10220/44091 |
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Institution: | Nanyang Technological University |
Language: | English |
Summary: | In the light−matter strong coupling regime, the excited state of
quantum emitters is inextricably linked to a photonic mode, leading to hybrid
states that are part light and part matter. Recently, there has been a huge effort
to realize strong coupling with nanoplasmonics, since it provides a versatile
environment to study and control molecules in ambient conditions. Among
the most promising designs are plasmonic nanocavities that confine light to
unprecedentedly small volumes. Such nanocavities, though, support multiple
types of modes, with different field profiles and radiative decay rates (bright
and dark modes). Here, we show theoretically that the different nature
of these modes leads to mode beating within the nanocavity and the Rabi
oscillations, which alters the spatiotemporal dynamics of the hybrid system.
By specifically designing the illumination setup, we decompose and control the
dark and bright plasmon mode excitation and therefore their coupling with
quantum emitters. Hence, this work opens new routes for dynamically dressing emitters, to tailor their hybrid states with external
radiation. |
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