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Artykuły w czasopismach na temat „Strong-matter coupling”

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Data publikacji: 6 września 2023

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1

Castellanos, Gabriel W., Shunsuke Murai, T. V. Raziman, Shaojun Wang, Mohammad Ramezani, Alberto G. Curto i Jaime Gómez Rivas. "Strong light-matter coupling in dielectric metasurfaces". EPJ Web of Conferences 238 (2020): 05004. http://dx.doi.org/10.1051/epjconf/202023805004.

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We demonstrate the strong coupling between excitons in organic molecules and all-dielectric metasurfaces formed by arrays of silicon nanoparticles supporting Mie surface lattice resonances (MSLRs). Compared to Mie resonances in individual nanoparticles, MSLRs have extended mode volumes and much larger quality factors, which enables to achieve collective strong coupling with very large coupling strengths and Rabi energies. Moreover, due to the electric and magnetic character of the MSLR given by the Mie resonance, we show that the hybridization of the exciton with the MSLR results in exciton-polaritons that inherit this character as well. Our results demonstrate the potential of all-dielectric metasurfaces as novel platform to investigate and manipulate exciton-polaritons in low-loss polaritonic devices.

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2

Lange, Christoph, Emiliano Cancellieri, Dmitry Panna, David M. Whittaker, Mark Steger, David W. Snoke, Loren N. Pfeiffer, Kenneth W. West i Alex Hayat. "Ultrafast control of strong light–matter coupling". New Journal of Physics 20, nr 1 (22.01.2018): 013032. http://dx.doi.org/10.1088/1367-2630/aa9fd0.

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3

Zhang, Lijian, Fuchun Xi, Jie Xu, Qinbai Qian, Peng Gou i Zhenghua An. "Strong light-matter coupling in plasmonic microcavities". Optics Communications 331 (listopad 2014): 128–32. http://dx.doi.org/10.1016/j.optcom.2014.05.066.

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4

Garcia-Vidal, Francisco J., Cristiano Ciuti i Thomas W. Ebbesen. "Manipulating matter by strong coupling to vacuum fields". Science 373, nr 6551 (8.07.2021): eabd0336. http://dx.doi.org/10.1126/science.abd0336.

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Over the past decade, there has been a surge of interest in the ability of hybrid light-matter states to control the properties of matter and chemical reactivity. Such hybrid states can be generated by simply placing a material in the spatially confined electromagnetic field of an optical resonator, such as that provided by two parallel mirrors. This occurs even in the dark because it is electromagnetic fluctuations of the cavity (the vacuum field) that strongly couple with the material. Experimental and theoretical studies have shown that the mere presence of these hybrid states can enhance properties such as transport, magnetism, and superconductivity and modify (bio)chemical reactivity. This emerging field is highly multidisciplinary, and much of its potential has yet to be explored.

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5

Miura, K., T. Z. Nakano i A. Ohnishi. "Quarkyonic Matter in Lattice QCD at Strong Coupling". Progress of Theoretical Physics 122, nr 4 (1.10.2009): 1045–54. http://dx.doi.org/10.1143/ptp.122.1045.

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6

Gómez-Santos, G., i T. Stauber. "Graphene plasmons and retardation: Strong light-matter coupling". EPL (Europhysics Letters) 99, nr 2 (1.07.2012): 27006. http://dx.doi.org/10.1209/0295-5075/99/27006.

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7

Berghuis, Anton Matthijs, Alexei Halpin, Quynh Le‐Van, Mohammad Ramezani, Shaojun Wang, Shunsuke Murai i Jaime Gómez Rivas. "Strong Light‐Matter Coupling: Enhanced Delayed Fluorescence in Tetracene Crystals by Strong Light‐Matter Coupling (Adv. Funct. Mater. 36/2019)". Advanced Functional Materials 29, nr 36 (wrzesień 2019): 1970249. http://dx.doi.org/10.1002/adfm.201970249.

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8

Takele, Wassie Mersha, Lukasz Piatkowski, Frank Wackenhut, Sylwester Gawinkowski, Alfred J. Meixner i Jacek Waluk. "Scouting for strong light–matter coupling signatures in Raman spectra". Physical Chemistry Chemical Physics 23, nr 31 (2021): 16837–46. http://dx.doi.org/10.1039/d1cp01863a.

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9

Farias, Ricardo L. S., Varese S. Timóteo, Sidney S. Avancini, Marcus B. Pinto i Gastão I. Krein. "Exploring Hot Quark Matter in Strong Magnetic Fields". International Journal of Modern Physics: Conference Series 45 (styczeń 2017): 1760043. http://dx.doi.org/10.1142/s2010194517600436.

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10

Askenazi, B., A. Vasanelli, A. Delteil, Y. Todorov, L. C. Andreani, G. Beaudoin, I. Sagnes i C. Sirtori. "Ultra-strong light–matter coupling for designer Reststrahlen band". New Journal of Physics 16, nr 4 (30.04.2014): 043029. http://dx.doi.org/10.1088/1367-2630/16/4/043029.

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11

Mueller, Niclas S., Yu Okamura, Bruno G. M. Vieira, Sabrina Juergensen, Holger Lange, Eduardo B. Barros, Florian Schulz i Stephanie Reich. "Deep strong light–matter coupling in plasmonic nanoparticle crystals". Nature 583, nr 7818 (29.07.2020): 780–84. http://dx.doi.org/10.1038/s41586-020-2508-1.

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12

Liu, Xiaoze, Tal Galfsky, Zheng Sun, Fengnian Xia, Erh-chen Lin, Yi-Hsien Lee, Stéphane Kéna-Cohen i Vinod M. Menon. "Strong light–matter coupling in two-dimensional atomic crystals". Nature Photonics 9, nr 1 (23.12.2014): 30–34. http://dx.doi.org/10.1038/nphoton.2014.304.

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13

Hilmer, H., C. Sturm, R. Schmidt-Grund, B. Rheinländer i M. Grundmann. "Observation of strong light-matter coupling by spectroscopic ellipsometry". Superlattices and Microstructures 47, nr 1 (styczeń 2010): 19–23. http://dx.doi.org/10.1016/j.spmi.2009.06.007.

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14

He, Zhicong, Cheng Xu, Wenhao He, Jinhu He, Yunpeng Zhou i Fang Li. "Principle and Applications of Multimode Strong Coupling Based on Surface Plasmons". Nanomaterials 12, nr 8 (7.04.2022): 1242. http://dx.doi.org/10.3390/nano12081242.

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In the past decade, strong coupling between light and matter has transitioned from a theoretical idea to an experimental reality. This represents a new field of quantum light–matter interaction, which makes the coupling strength comparable to the transition frequencies in the system. In addition, the achievement of multimode strong coupling has led to such applications as quantum information processing, lasers, and quantum sensors. This paper introduces the theoretical principle of multimode strong coupling based on surface plasmons and reviews the research related to the multimode interactions between light and matter. Perspectives on the future development of plasmonic multimode coupling are also discussed.

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15

Sánchez-Burillo, Eduardo, Juanjo García-Ripoll, Luis Martín-Moreno i David Zueco. "Nonlinear quantum optics in the (ultra)strong light–matter coupling". Faraday Discussions 178 (2015): 335–56. http://dx.doi.org/10.1039/c4fd00206g.

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The propagation of N photons in one dimensional waveguides coupled to M qubits is discussed, both in the strong and ultrastrong qubit–waveguide coupling. Special emphasis is placed on the characterisation of the nonlinear response and its linear limit for the scattered photons as a function of N, M, qubit inter distance and light–matter coupling. The quantum evolution is numerically solved via the matrix product states technique. The time evolutions for both the field and qubits are computed. The nonlinear character (as a function of N/M) depends on the computed observable. While perfect reflection is obtained for N/M ≅ 1, photon–photon correlations are still resolved for ratios N/M = non-zero. Inter-qubit distance enhances the nonlinear response. Moving to the ultrastrong coupling regime, we observe that inelastic processes are robust against the number of qubits and that the qubit–qubit interaction mediated by the photons is qualitatively modified. The theory developed in this work models experiments in circuit QED, photonic crystals and dielectric waveguides.

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16

Hertzog, Manuel, Mao Wang, Jürgen Mony i Karl Börjesson. "Strong light–matter interactions: a new direction within chemistry". Chemical Society Reviews 48, nr 3 (2019): 937–61. http://dx.doi.org/10.1039/c8cs00193f.

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Strong light–matter coupling enables the possibility of changing the properties of molecules, without modifying their chemical structures, thus enabling a completely new way to study chemistry and explore materials.

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17

Flick, Johannes, Nicholas Rivera i Prineha Narang. "Strong light-matter coupling in quantum chemistry and quantum photonics". Nanophotonics 7, nr 9 (8.09.2018): 1479–501. http://dx.doi.org/10.1515/nanoph-2018-0067.

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AbstractIn this article, we review strong light-matter coupling at the interface of materials science, quantum chemistry, and quantum photonics. The control of light and heat at thermodynamic limits enables exciting new opportunities for the rapidly converging fields of polaritonic chemistry and quantum optics at the atomic scale from a theoretical and computational perspective. Our review follows remarkable experimental demonstrations that now routinely achieve the strong coupling limit of light and matter. In polaritonic chemistry, many molecules couple collectively to a single-photon mode, whereas, in the field of nanoplasmonics, strong coupling can be achieved at the single-molecule limit. Theoretical approaches to address these experiments, however, are more recent and come from a spectrum of fields merging new developments in quantum chemistry and quantum electrodynamics alike. We review these latest developments and highlight the common features between these two different limits, maintaining a focus on the theoretical tools used to analyze these two classes of systems. Finally, we present a new perspective on the need for and steps toward merging, formally and computationally, two of the most prominent and Nobel Prize-winning theories in physics and chemistry: quantum electrodynamics and electronic structure (density functional) theory. We present a case for how a fully quantum description of light and matter that treats electrons, photons, and phonons on the same quantized footing will unravel new quantum effects in cavity-controlled chemical dynamics, optomechanics, nanophotonics, and the many other fields that use electrons, photons, and phonons.

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18

Sturges, Thomas J., Taavi Repän, Charles A. Downing, Carsten Rockstuhl i Magdalena Stobińska. "Extreme renormalisations of dimer eigenmodes by strong light–matter coupling". New Journal of Physics 22, nr 10 (1.10.2020): 103001. http://dx.doi.org/10.1088/1367-2630/abb898.

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19

Kakas, A. C. "Matter fields in the strong-coupling limit of quantum gravity". Classical and Quantum Gravity 6, nr 10 (1.10.1989): 1463–72. http://dx.doi.org/10.1088/0264-9381/6/10/015.

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20

Bahsoun, Hadi, Thibault Chervy, Anoop Thomas, Karl Börjesson, Manuel Hertzog, Jino George, Eloïse Devaux, Cyriaque Genet, James A. Hutchison i Thomas W. Ebbesen. "Electronic Light–Matter Strong Coupling in Nanofluidic Fabry–Pérot Cavities". ACS Photonics 5, nr 1 (25.10.2017): 225–32. http://dx.doi.org/10.1021/acsphotonics.7b00679.

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21

Agranovich, V. M., i G. C. La Rocca. "Electronic excitations in organic microcavities with strong light–matter coupling". Solid State Communications 135, nr 9-10 (wrzesień 2005): 544–53. http://dx.doi.org/10.1016/j.ssc.2005.04.034.

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22

Zakharko, Yuriy, Arko Graf i Jana Zaumseil. "Plasmonic Crystals for Strong Light–Matter Coupling in Carbon Nanotubes". Nano Letters 16, nr 10 (28.09.2016): 6504–10. http://dx.doi.org/10.1021/acs.nanolett.6b03086.

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23

Schmidt-Grund, Rüdiger, Helena Hilmer, Annekatrin Hinkel, Chris Sturm, Bernd Rheinländer, Volker Gottschalch, Martin Lange, Jesus Zúñiga-Pérez i Marius Grundmann. "Two-dimensional confined photonic wire resonators - strong light-matter coupling". physica status solidi (b) 247, nr 6 (4.05.2010): 1351–64. http://dx.doi.org/10.1002/pssb.200945530.

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24

Hou, Liping, Qifa Wang, Hanmou Zhang, Puhui Wang, Xuetao Gan, Fajun Xiao i Jianlin Zhao. "Simultaneous control of plasmon–exciton and plasmon–trion couplings in an Au nanosphere and monolayer WS₂ hybrid system". APL Photonics 7, nr 2 (1.02.2022): 026107. http://dx.doi.org/10.1063/5.0078243.

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Simultaneous control of plasmon–exciton and plasmon–trion couplings is fundamentally interesting for tailoring the strong light–matter interaction at the nanoscale and is intriguing for developing high-efficiency optoelectronic and nonlinear photonic devices. Here, we integrate the monolayer WS2 with the Au nanosphere to take full advantages of both the strong excitonic effect and local field enhancement effect to realize strong resonance couplings between the dipolar plasmon mode and the exciton, as well as the trion, at room temperature. Interestingly, from the dark-field scattering spectrum, a transition from the dominated plasmon–exciton coupling to the plasmon–exciton–trion coupling in the hybrid system by simply increasing the radius of the nanosphere is revealed. This evolution of the scattering spectrum is further analyzed using the coupled-oscillator model to extract Rabi splittings of 89 and 48 meV for plasmon–exciton and plasmon–trion couplings, implying that the hybrid system enters the moderate coupling region. The moderate coupling imparts the hybrid system with a remarkable light-emitting capacity, rendering 1265- and 680-fold photoluminescence (PL) enhancement for the exciton and trion emissions, respectively. Our findings provide a facile way for the manipulation of excitonic quasiparticles in semiconductors at room temperature.

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25

Qing, Ye Ming, Yongze Ren, Dangyuan Lei, Hui Feng Ma i Tie Jun Cui. "Strong coupling in two-dimensional materials-based nanostructures: a review". Journal of Optics 24, nr 2 (14.01.2022): 024009. http://dx.doi.org/10.1088/2040-8986/ac47b3.

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Abstract Strong interaction between electromagnetic radiation and matter leads to the formation of hybrid light-matter states, making a system’s absorption and emission properties distinctively different from that at the uncoupled states. For instance, strong coupling between cavity photons and quantum emitters results in the emergence of Rabi splitting andnew polaritonic eigenmodes, exhibiting characteristic spectral anticrossing and ultrafast energy exchange. There has recnetly been a rapidly increasing number of studies focusing on strong coupling between photonic nanostructures and two-dimensional materials (2DMs), demonstrating exceptional nanoscale optical properties and applications. Here, we review the recent advances and important developments of strong light-matter interactions in hybrid photonic systems based on 2DMs, including graphene, black phosphorus, and transition-metal dichalcogenides. We adopt the coupled oscillator model to describe the strong coupling phenomena and give an overview of three classes of 2DMs-based nanostructures realizing this regime. Following this, we discuss potential applications that can benefit from strong coupling induced effects and conclude our review with a perspective on the future of this rapidly emerging field.

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26

Zhao, Qian, Wen-Jie Zhou, Yan-Hui Deng, Ya-Qin Zheng, Zhong-Hong Shi, Lay Kee Ang, Zhang-Kai Zhou i Lin Wu. "Plexcitonic strong coupling: unique features, applications, and challenges". Journal of Physics D: Applied Physics 55, nr 20 (31.01.2022): 203002. http://dx.doi.org/10.1088/1361-6463/ac3fdf.

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Abstract There have recently been remarkable achievements in turning light–matter interaction into strong-coupling quantum regime. In particular, room-temperature plexcitonic strong coupling in plasmon-exciton hybrid systems can bring promising benefits for fundamental and applied physics. Herein, we review theoretical insight and recent experimental achievements in plexcitonic strong coupling, and divide this review into two main parts. The first part briefly introduces the general field of strong coupling, including its origin and history, physical mechanisms and theoretical models, as well as recent advanced applications of strong coupling, such as quantum or biochemical devices enabled by optical strong coupling. The second part concentrates on plexcitonic strong coupling by introducing its unique features and new potentials (such as single-particle ultrastrong coupling, strong-coupling dynamics in femtosecond scale) and discusses the limitations and challenges of plexcitonic strong coupling. This will also be accompanied by potential solutions, such as microcavity-engineered plexcitonics, spectral hole burning effects and metamaterial-based strong coupling. Finally, we summarize and conclude this review, highlighting future research directions and promising applications.

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27

Nabiev, I. "Strong light-matter coupling for optical switching through the fluorescence and FRET control". Journal of Physics: Conference Series 2058, nr 1 (1.10.2021): 012001. http://dx.doi.org/10.1088/1742-6596/2058/1/012001.

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Abstract Resonant interaction between excitonic transitions of molecules and localized electromagnetic field forms the hybrid polaritonic states. Tuneable microresonators may change the light-matter coupling strength and modulate them from weak to strong and ultra-strong coupling regimes. In this work we have realised strong coupling between the tuneable open-access cavity mode and the excitonic transitions in oligonucleotide-based molecular beacons with their terminus labelled with a pair of organic dye molecules demonstrating an efficient donor-to-acceptor Förster resonance energy transfer (FRET). We show that the predominant strong coupling of the cavity photon to the exciton transition in the donor dye molecule can lead to such a large an energy shift that the energy transfer from the acceptor exciton reservoir to the mainly donor lower polaritonic state can be achieved, thus yielding the chromophores’ donor–acceptor role reversal or “carnival effect”. The data show the possibility for confined electromagnetic fields to control and mediate polariton-assisted remote energy transfer. Obtained results open the avenues to quantum optical switching and other applications.

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28

Lather, Jyoti, Ahammad N. K. Thabassum, Jaibir Singh i Jino George. "Cavity catalysis: modifying linear free-energy relationship under cooperative vibrational strong coupling". Chemical Science 13, nr 1 (2022): 195–202. http://dx.doi.org/10.1039/d1sc04707h.

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Cavity catalysis: vibrational strong coupling of solute and solvent molecules enhanced the rate of an esterification reaction. Hammett relation breaks under strong light-matter coupling conditions suggesting its potential applications in catalysis.

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29

Silvi, Pietro, Enrique Rico, Marcello Dalmonte, Ferdinand Tschirsich i Simone Montangero. "Finite-density phase diagram of a(1+1)−dnon-abelian lattice gauge theory with tensor networks". Quantum 1 (25.04.2017): 9. http://dx.doi.org/10.22331/q-2017-04-25-9.

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We investigate the finite-density phase diagram of a non-abelianSU(2)lattice gauge theory in(1+1)-dimensions using tensor network methods. We numerically characterise the phase diagram as a function of the matter filling and of the matter-field coupling, identifying different phases, some of them appearing only at finite densities. For weak matter-field coupling we find a meson BCS liquid phase, which is confirmed by second-order analytical perturbation theory. At unit filling and for strong coupling, the system undergoes a phase transition to a charge density wave of single-site (spin-0) mesons via spontaneous chiral symmetry breaking. At finite densities, the chiral symmetry is restored almost everywhere, and the meson BCS liquid becomes a simple liquid at strong couplings, with the exception of filling two-thirds, where a charge density wave of mesons spreading over neighbouring sites appears. Finally, we identify two tri-critical points between the chiral and the two liquid phases which are compatible with aSU(2)2Wess-Zumino-Novikov-Witten model. Here we do not perform the continuum limit but we explicitly address the globalU(1)charge conservation symmetry.

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30

Benoit, J. M., K. Chevrier, C. Symonds i J. Bellessa. "Strong coupling for bifunctionality in organic systems". Applied Physics Letters 121, nr 18 (31.10.2022): 181101. http://dx.doi.org/10.1063/5.0116184.

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In this paper, we exploit the strong light–matter coupling to hybridize two materials for bifunctionality properties. The strong coupling has been achieved between a surface plasmon and two organic emitters: a J-aggregate cyanine dye, known for its high absorption and emission properties and a photochromic material in which absorption can be optically switched on and off. The optical properties are drastically modified between the activated and deactivated forms of the photochromic material coupled to the cyanine dye. In particular, the emission of the structure can be energy shifted by several hundreds of meV providing a way to build a tunable emission system. This system also reveals its potential for modifying the fluorescence of photochromes thanks to light–matter interaction instead of functionalization using covalent bonding.

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31

Mavrogordatos, Th K. "Coherence of resonant light-matter interaction in the strong-coupling limit". Optics Communications 496 (październik 2021): 127142. http://dx.doi.org/10.1016/j.optcom.2021.127142.

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32

Xiang, Bo, Raphael F. Ribeiro, Matthew Du, Liying Chen, Zimo Yang, Jiaxi Wang, Joel Yuen-Zhou i Wei Xiong. "Intermolecular vibrational energy transfer enabled by microcavity strong light–matter coupling". Science 368, nr 6491 (7.05.2020): 665–67. http://dx.doi.org/10.1126/science.aba3544.

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Selective vibrational energy transfer between molecules in the liquid phase, a difficult process hampered by weak intermolecular forces, is achieved through polaritons formed by strong coupling between cavity photon modes and donor and acceptor molecules. Using pump-probe and two-dimensional infrared spectroscopy, we found that the excitation of the upper polariton, which is composed mostly of donors, can efficiently relax to the acceptors within ~5 picoseconds. The energy-transfer efficiency can be further enhanced by increasing the cavity lifetime, suggesting that the energy transfer is a polaritonic process. This vibrational energy-transfer pathway opens doors for applications in remote chemistry, sensing mechanisms, and vibrational polariton condensation.

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33

Eizner, Elad, Luis A. Martínez-Martínez, Joel Yuen-Zhou i Stéphane Kéna-Cohen. "Inverting singlet and triplet excited states using strong light-matter coupling". Science Advances 5, nr 12 (grudzień 2019): eaax4482. http://dx.doi.org/10.1126/sciadv.aax4482.

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In organic microcavities, hybrid light-matter states can form with energies that differ from the bare molecular excitation energies by nearly 1 eV. A timely question, given the recent advances in the development of thermally activated delayed fluorescence materials, is whether strong light-matter coupling can be used to invert the ordering of singlet and triplet states and, in addition, enhance reverse intersystem crossing (RISC) rates. Here, we demonstrate a complete inversion of the singlet lower polariton and triplet excited states. We also unambiguously measure the RISC rate in strongly coupled organic microcavities and find that, regardless of the large energy level shifts, it is unchanged compared to films of the bare molecules. This observation is a consequence of slow RISC to the lower polariton due to the delocalized nature of the state across many molecules and an inability to compete with RISC to the dark exciton reservoir.

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34

Bejtka, K., F. Réveret, R. W. Martin, P. R. Edwards, A. Vasson, J. Leymarie, I. R. Sellers, J. Y. Duboz, M. Leroux i F. Semond. "Strong light-matter coupling in ultrathin double dielectric mirror GaN microcavities". Applied Physics Letters 92, nr 24 (16.06.2008): 241105. http://dx.doi.org/10.1063/1.2944263.

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Shapochkin, Pavel Yu, Maksim S. Lozhkin, Ivan A. Solovev, Olga A. Lozhkina, Yury P. Efimov, Sergey A. Eliseev, Vyacheslav A. Lovcjus i in. "Polarization-resolved strong light–matter coupling in planar GaAs/AlGaAs waveguides". Optics Letters 43, nr 18 (14.09.2018): 4526. http://dx.doi.org/10.1364/ol.43.004526.

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36

Thomas, Philip A., Wai Jue Tan, Henry A. Fernandez i William L. Barnes. "A New Signature for Strong Light–Matter Coupling Using Spectroscopic Ellipsometry". Nano Letters 20, nr 9 (24.07.2020): 6412–19. http://dx.doi.org/10.1021/acs.nanolett.0c01963.

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37

Vasanelli, Angela, Yanko Todorov i Carlo Sirtori. "Ultra-strong light–matter coupling and superradiance using dense electron gases". Comptes Rendus Physique 17, nr 8 (październik 2016): 861–73. http://dx.doi.org/10.1016/j.crhy.2016.05.001.

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Schwenzer, Kai. "Perturbative QCD results in the strong coupling regime of dense matter". Nuclear Physics A 785, nr 1-2 (marzec 2007): 241–44. http://dx.doi.org/10.1016/j.nuclphysa.2006.11.144.

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Slepyan, G. Ya, A. V. Magyarov, S. A. Maksimenko, A. Hoffmann i D. Bimberg. "Strong light-matter coupling in a quantum dot: local field effects". physica status solidi (c) 2, nr 2 (luty 2005): 850–53. http://dx.doi.org/10.1002/pssc.200460345.

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Berghuis, Anton Matthijs, Alexei Halpin, Quynh Le‐Van, Mohammad Ramezani, Shaojun Wang, Shunsuke Murai i Jaime Gómez Rivas. "Enhanced Delayed Fluorescence in Tetracene Crystals by Strong Light‐Matter Coupling". Advanced Functional Materials 29, nr 36 (19.07.2019): 1901317. http://dx.doi.org/10.1002/adfm.201901317.

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41

Bisht, Ankit, Jorge Cuadra, Martin Wersäll, Adriana Canales, Tomasz J. Antosiewicz i Timur Shegai. "Collective Strong Light-Matter Coupling in Hierarchical Microcavity-Plasmon-Exciton Systems". Nano Letters 19, nr 1 (30.11.2018): 189–96. http://dx.doi.org/10.1021/acs.nanolett.8b03639.

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42

Mochalov K. E., Samokhvalov P. S. i Gun'ko Yu. K. "Versatile Tunable Microresonator for the Light-Matter Interaction Studying in the Strong-Coupling Mode". Optics and Spectroscopy 131, nr 1 (2023): 100. http://dx.doi.org/10.21883/eos.2023.01.55525.4317-22.

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The interaction between an ensemble of molecules and an electromagnetic field in a highly limited volume makes it possible to control the properties of a substance and, therefore, is an exceptionally promising area of research. The most common way to achieve weak or strong light-matter coupling is to place an ensemble of molecules in a micron-sized resonator. In such a system,the interaction of light with matter appears in the form of a change in the spectral response of the system, which depends on the strength of the coupling between the ensemble of molecules and the modes of the resonator. Currently, there is no general and user-friendly approach that allows studying a lot of different samples in a wide optical range using the same resonator setup. The present paper describes the design of a device that makes it possible to overcome this disadvantage, speed up and facilitate the study of the light-matter interaction, and also obtain weak and strong light-matter coupling modes for a large number of samples in the UV, visible, and IR regions of the optical spectrum. The device developed here is based on the tunable unstable λ/2 Fabry-Perot microresonator, consisting of flat and convex mirrors, which satisfy the condition of plane-parallelism at least at one point of the curved mirror and can significantly reduce the mode volume. The device was used to study the effect of the strong-coupling regime on the fluorescent properties of the Rhodamine 6G (R6G) dye embedded in a boron nitride nanoparticles matrix. It was found that the use of boron nitride (h-BN) as a carrier matrix has an orienting effect on the dye molecules, that results in an increase of the light-matter coupling strength at a lower resonator mode energy required. Keywords: microspectroscopy, optical microresonator, strong coupling, boron nitride.

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43

Wang, Zhihang, Lingyao Li, Shibo Wei, Xiaoqi Shi, Jiamin Xiao, Zhicheng Guo, Wei Wang, Yi Wang i Wenxin Wang. "Manipulating light–matter interaction into strong coupling regime for photon entanglement in plasmonic lattices". Journal of Applied Physics 133, nr 6 (14.02.2023): 063101. http://dx.doi.org/10.1063/5.0135493.

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Enhancing light–matter interaction into the strong coupling regime attracts tremendous attention in both theory and experiment, which presents essential significance in research from nano-optics to quantum information. In this work, the entanglement effect is observed in the photons emitted from a plasmonic lattice as the coherent light–matter interaction occurs into the strong coupling regime with a Rabi splitting of 93.4 meV. A full quantum mechanical treatment based on the number state representation is established to reveal the underlying physics of the strong coupling phenomenon, especially the femtosecond dynamics of energy exchange and damping. The entangled split states display oscillating concurrence and negative Wigner quasiprobability distribution function, which demonstrates that this designed plasmonic lattice system can serve as an on-demand entangled photon source for quantum information.

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44

Dovzhenko, D. S., S. V. Ryabchuk, Yu P. Rakovich i I. R. Nabiev. "Light–matter interaction in the strong coupling regime: configurations, conditions, and applications". Nanoscale 10, nr 8 (2018): 3589–605. http://dx.doi.org/10.1039/c7nr06917k.

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Jarc, Giacomo, Shahla Yasmin Mathengattil, Francesca Giusti, Maurizio Barnaba, Abhishek Singh, Angela Montanaro, Filippo Glerean i in. "Tunable cryogenic terahertz cavity for strong light–matter coupling in complex materials". Review of Scientific Instruments 93, nr 3 (1.03.2022): 033102. http://dx.doi.org/10.1063/5.0080045.

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We report here the realization and commissioning of an experiment dedicated to the study of the optical properties of light–matter hybrids constituted of crystalline samples embedded in an optical cavity. The experimental assembly developed offers the unique opportunity to study the weak and strong coupling regimes between a tunable optical cavity in cryogenic environment and low energy degrees of freedom, such as phonons, magnons, or charge fluctuations. We describe here the setup developed that allows for the positioning of crystalline samples in an optical cavity of different quality factors, the tuning of the cavity length at cryogenic temperatures, and its optical characterization with a broadband time domain THz spectrometer (0.2–6 THz). We demonstrate the versatility of the setup by studying the vibrational strong coupling in CuGeO3 single crystal at cryogenic temperatures.

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46

Sentef, M. A., M. Ruggenthaler i A. Rubio. "Cavity quantum-electrodynamical polaritonically enhanced electron-phonon coupling and its influence on superconductivity". Science Advances 4, nr 11 (listopad 2018): eaau6969. http://dx.doi.org/10.1126/sciadv.aau6969.

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So far, laser control of solids has been mainly discussed in the context of strong classical nonlinear light-matter coupling in a pump-probe framework. Here, we propose a quantum-electrodynamical setting to address the coupling of a low-dimensional quantum material to quantized electromagnetic fields in quantum cavities. Using a protoypical model system describing FeSe/SrTiO3with electron-phonon long-range forward scattering, we study how the formation of phonon polaritons at the two-dimensional interface of the material modifies effective couplings and superconducting properties in a Migdal-Eliashberg simulation. We find that through highly polarizable dipolar phonons, large cavity-enhanced electron-phonon couplings are possible, but superconductivity is not enhanced for the forward-scattering pairing mechanism due to the interplay between coupling enhancement and mode softening. Our results demonstrate that quantum cavities enable the engineering of fundamental couplings in solids, paving the way for unprecedented control of material properties.

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47

Hatifi, Mohamed, Dimitrije Mara, Bojana Bokic, Rik Van Deun, Brian Stout, Emmanuel Lassalle, Branko Kolaric i Thomas Durt. "Fluorimetry in the Strong-Coupling Regime: From a Fundamental Perspective to Engineering New Tools for Tracing and Marking Materials and Objects". Applied Sciences 12, nr 18 (15.09.2022): 9238. http://dx.doi.org/10.3390/app12189238.

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Under exceptional circumstances, light and molecules bond together, creating new hybrid light–matter states with far-reaching consequences for these strongly coupled entities. The present article describes the quantum-mechanical foundation of strong-coupling and experimental evidence for molding the radiation properties of nanoprobes by strong-coupling. When applied to tracing and marking, the new fluorometry technique proposed here, which harnesses strong-coupling, has a triple advantage compared to its classical counterparts such as DNA tracing. It is fast, and its signal-to-noise ratio can be improved by spectral filtering; moreover, it reveals a specific quantum signature of the strong-coupling, which is extremely difficult to reproduce classically, thereby opening the door to new anti-counterfeiting strategies.

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Pellegrino, F. M. D. "Modulated phases of graphene quantum Hall polariton fluids". Bullettin of the Gioenia Academy of Natural Sciences of Catania 52, nr 382 (24.12.2019): MISC4—MISC5. http://dx.doi.org/10.35352/gioenia.v52i382.74.

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This work is placed in the context of solid-state systems in the regime of ultra-strong light-matter coupling. To date, the highest light-matter coupling strengths have been measured in experiments with polaritons in semiconductor systems under the conditions of the Integer Quantum Hall effect. Polaritons are excitations resulting from strong coupling of light with a dipole-carrying matter excitation. In Pellegrino et al. (2016), we studied the impact of electron-electron interaction on polaritons in cavities in the case of graphene under the conditions of the Integer Quantum Hall effect. By using a mean-field (Hartree-Fock) approach we have shown the possibility of formation of spatially modulated light-matter phases characterized by a wavelength that is dependent on the value of the applied static magnetic field and the concentration of carriers, which is tunable by varying the gate voltage.

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Li, Yang, Xinxin Bi, Qingzhang You, Ze Li, Lisheng Zhang, Yan Fang i Peijie Wang. "Strong coupling with directional scattering features of metal nanoshells with monolayer WS₂ heterostructures". Applied Physics Letters 121, nr 2 (11.07.2022): 021104. http://dx.doi.org/10.1063/5.0098064.

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Realizing and manipulating strong light–matter coupling in 2D monolayer semiconductors are of the utmost importance in the development of photonic devices. Hollow nanostructures of noble metals are particularly interesting because of their stronger local electromagnetic field compared with solid nanoparticles, which facilitate the strong coupling of single metal nanostructures. Here, the tunable single nanocavity plasmon–exciton coupling was demonstrated at room temperature in hybrid systems consisting of Ag@Au hollow nanocubes (HNCs) and monolayer WS2 underneath, where a large vacuum Rabi splitting of 131.3 meV was observed. Mode splitting can be clearly observed from the dark-field scattering spectrum of the single hybrid nanocavity, which is ascribed to the strong coupling between the nanocavity mode and the excitonic mode. Then, we used the finite difference time domain method to simulate these hybrid systems. By changing the thickness of the shell of the Ag@Au HNC, we can tune the surface plasmon resonance peak position of HNCs to match the exciton energy of the monolayer WS2. The strong couplings were realized via the calculated scattering spectra. The calculated results were consistent with the experimental results. Furthermore, the mode volume of different nanostructures was discussed, and the mode volume of HNCs is smaller than other solid ones at the same plasmonic resonance wavelength, which also indicates that its ability to restrict an electromagnetic field is stronger. This study provides an ideal platform for the strong coupling of a single nanocavity at room temperature and has broad application prospects in the field of single-photon devices.

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Bhatt, Pooja, Kuljeet Kaur i Jino George. "Enhanced Charge Transport in Two-Dimensional Materials through Light–Matter Strong Coupling". ACS Nano 15, nr 8 (4.08.2021): 13616–22. http://dx.doi.org/10.1021/acsnano.1c04544.

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