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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202109107
|2 doi
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|a pubmed25n1123.xml
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|a (DE-627)NLM336980183
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|a (NLM)35165941
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Satapathy, Sitakanta
|e verfasserin
|4 aut
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|a Thermalization of Fluorescent Protein Exciton-Polaritons at Room Temperature
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 15.04.2022
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|a Date Revised 26.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Fluorescent proteins (FPs) have recently emerged as a serious contender for realizing ultralow threshold room temperature exciton-polariton condensation and lasing. This contribution investigates the thermalization of FP microcavity exciton-polaritons upon optical pumping under ambient conditions. Polariton cooling is realized using a new FP molecule, called mScarlet, coupled strongly to the optical modes in a Fabry-Pérot cavity. Interestingly, at the threshold excitation energy (fluence) of ≈9 nJ per pulse (15.6 mJ cm-2 ), an effective temperature is observed, Teff ≈ 350 ± 35 K close to the lattice temperature indicative of strongly thermalized exciton-polaritons at equilibrium. This efficient thermalization results from the interplay of radiative pumping facilitated by the energetics of the lower polariton branch and the cavity Q-factor. Direct evidence for dramatic switching from an equilibrium state into a metastable state is observed for the organic cavity polariton device at room temperature via deviation from the Maxwell-Boltzmann statistics at k‖ = 0 above the threshold. Thermalized polariton gases in organic systems at equilibrium hold substantial promise for designing room temperature polaritonic circuits, switches, and lattices for analog simulation
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|a Journal Article
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|a exciton-polaritons
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|a fluorescent proteins
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4 |
|a optical cavities
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4 |
|a polariton condensation
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| 650 |
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4 |
|a strong coupling
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| 650 |
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4 |
|a thermalization
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1 |
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|a Liu, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Deshmukh, Prathmesh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Molinaro, Paul M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dirnberger, Florian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Khatoniar, Mandeep
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Koder, Ronald L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Menon, Vinod M
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 15 vom: 20. Apr., Seite e2109107
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:15
|g day:20
|g month:04
|g pages:e2109107
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|u http://dx.doi.org/10.1002/adma.202109107
|3 Volltext
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