Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session T65: Photonics and Applications
11:30 AM–2:18 PM,
Thursday, March 9, 2023
Room: Room 414
Sponsoring
Unit:
DAMOP
Chair: Gehad Sadiek, University of Sharjah
Abstract: T65.00010 : Engineering dimensionality of collective dipole-dipole interactions in resonant nanophotonic environment*
1:18 PM–1:30 PM
Presenter:
Ashwin K Boddeti
(Purdue University)
Authors:
Ashwin K Boddeti
(Purdue University)
Yi Wang
(Northwestern University)
Xitlali Jaurez
(Northwestern University)
Alexander Boltasseva
(Purdue University)
Hadiseh Alaeian
(Purdue University)
Teri W Odom
(Northwestern University)
Zubin Jacob
(Purdue University)
emitters due to dipole-dipole iteractions between them. As there is a hierarchy of distances between the emitters, averaging over all possible sites of the interacting acceptor emitters makes dipole-dipole interactions essentially sense the whole spatial distribution of the interacting emitters. This sensing of the spatial distribution of the interacting emitters is associated with the electromagnetic environment and thus the vacuum fluctuating field. Here we experimentally probe the environment using dipole-dipole interactions between an ensemble of emiiters using resonance energy transfer. While the stretched exponential profile, I(t)/I0 = exp(−γt − αtβ), with β = 0.5 in resonance energy transfer (dipole-dipole interactions) being well-known to 3D geometries, the fluorescence decay dynamics in more complicated resonant nanophotonic environments. It remain largely unexplored. To this end, we observe modified fluorescence decay traces on the resonant plasmonic nanophotonbic environment (β = 0.3) compared to conventional control samples such as glass and off-resonant inhomogenoues nanophotonnic media. Our work sheds light on the unique origin of fluorescent decay dynamics and shows that they provide a way of
uncovering the dimensionality of dipole-dipole interactions modified by a nanophotonic environment
*US Dept. of energy, Office of Basic Sciecnes DE-SC00177717
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