Plasmonic nanostructures are capable of tailoring the emission of a nearby emitter by increasing (or reducing) the brightness, shortening (or prolonging) the lifetime, and shaping the spectrum. Experimental characterization of such coupled plasmon–exciton (plexciton) systems usually relies on the acquisition and comparison of scattering, absorption, or luminescence spectra. However, theoretical accounts of these optical spectra, which are key to distinguishing between the coupling regimes and to standardizing the coupling criteria, often scatters in different frameworks, varying from classical to quantum-mechanical. Therefore, developing a unified and simple formalism that can simultaneously compare all these spectral signatures in different coupling regimes is nontrivial. Here, we use a temporal coupled-mode formalism to reproduce the scattering, absorption, and luminescence spectra of a plexciton system and find that its luminescence reaches a maximum at a critical coupling point, featuring a light-emitting plexciton with intense brightness and ultrafast lifetime. This simple approach provides a unified and phenomenological treatment of these spectra by simply including or excluding an external driving term. It therefore allows for a direct comparison of different spectroscopic signatures from the plexciton system and provides an easy-to-use guidance for the design of broadband light-emitting devices.
Skip Nav Destination
Article navigation
21 August 2021
Research Article|
August 18 2021
Unified treatment of scattering, absorption, and luminescence spectra from a plasmon–exciton hybrid by temporal coupled-mode theory
Special Collection:
Polariton Chemistry: Molecules in Cavities and Plasmonic Media
Huatian Hu
;
Huatian Hu
1
The Institute for Advanced Studies, Wuhan University
, Wuhan 430072, China
Search for other works by this author on:
Zhifeng Shi;
Zhifeng Shi
2
Key Laboratory of Materials Physics of Ministry of Education, School of Physics and Microelectronics, Zhengzhou University
, Daxue Road 75, Zhengzhou 450052, China
Search for other works by this author on:
Shunping Zhang
;
Shunping Zhang
a)
3
School of Physics and Technology, Center for Nanoscience and Nanotechnology, and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University
, Wuhan 430072, China
a)Author to whom correspondence should be addressed: spzhang@whu.edu.cn
Search for other works by this author on:
Hongxing Xu
Hongxing Xu
1
The Institute for Advanced Studies, Wuhan University
, Wuhan 430072, China
3
School of Physics and Technology, Center for Nanoscience and Nanotechnology, and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University
, Wuhan 430072, China
Search for other works by this author on:
a)Author to whom correspondence should be addressed: spzhang@whu.edu.cn
Note: This paper is part of the JCP Special Topic on Polariton Chemistry: Molecules in Cavities and Plasmonic Media.
J. Chem. Phys. 155, 074104 (2021)
Article history
Received:
June 12 2021
Accepted:
August 04 2021
Citation
Huatian Hu, Zhifeng Shi, Shunping Zhang, Hongxing Xu; Unified treatment of scattering, absorption, and luminescence spectra from a plasmon–exciton hybrid by temporal coupled-mode theory. J. Chem. Phys. 21 August 2021; 155 (7): 074104. https://doi.org/10.1063/5.0059816
Download citation file:
Sign in
Don't already have an account? Register
Sign In
You could not be signed in. Please check your credentials and make sure you have an active account and try again.
Pay-Per-View Access
$40.00
Citing articles via
A theory of pitch for the hydrodynamic properties of molecules, helices, and achiral swimmers at low Reynolds number
Anderson D. S. Duraes, J. Daniel Gezelter
DeePMD-kit v2: A software package for deep potential models
Jinzhe Zeng, Duo Zhang, et al.
Electronic structure simulations in the cloud computing environment
Eric J. Bylaska, Ajay Panyala, et al.
Related Content
Plexcitonic nose based on an organic semiconductor
Appl. Phys. Lett. (September 2020)
Fano-resonant propagating plexcitons and Rabi-splitting local plexcitons of bilayer borophene in TERS
Appl. Phys. Lett. (June 2023)
Highly efficient one-photon upconversion with cooperative enhancements of photon and phonon absorption in chlorophyll plexciton hybrids
Appl. Phys. Lett. (June 2021)
Theoretical quantum model of two-dimensional propagating plexcitons
J. Chem. Phys. (September 2022)
Tunable plexciton dynamics in electrically biased nanojunctions
J. Appl. Phys. (August 2020)