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Coupled many-body quantum systems give rise to rich emergent physics and abundance of both stationary and dynamical behaviours. Designing platforms with tunable and distinct forms of coupling gives new insight into the collective behaviour…

Quantifying and controlling the coherent dynamics and couplings of optically active excitations in solids is of paramount importance in fundamental research in condensed matter optics and for their prospective optoelectronic applications in…

We present an experimental demonstration of strong coupling between a surface plasmon propagating on a planar silver substrate, and the lowest excited state of CdSe nanocrystals. Variable-angle spectroscopic ellipsometry measurements…

Materials Science · Physics 2009-12-16 D. E. Gómez , K. C. Vernon , T. J. Davis , T. L. Nguyen , P. Mulvaney

We describe a technique that enables strong, coherent coupling between individual optical emitters and guided plasmon excitations in conducting nano-structures at optical frequencies. We show that under realistic conditions, optical…

Quantum Physics · Physics 2009-11-11 D. E. Chang , A. S. Sorensen , P. R. Hemmer , M. D. Lukin

Plasmons, arising from the collective motion of electrons, can interact strongly with electromagnetic fields or photons; this capability has been exploited across a broad range of applications, from chemical reactivity to biosensing.…

We study plasmon-exciton interaction by using topological singularities to spatially confine, selectively deliver, cotrap and optically probe colloidal semiconductor and plasmonic nanoparticles. The interaction is monitored in a single…

Mesoscale and Nanoscale Physics · Physics 2017-04-26 P. J. Ackerman , Haridas Mundoor , I. I. Smalyukh , Jao van de Lagemaat

The dynamics of arbitrary-order quantum correlations in a cavity magnon-polariton system are investigated based on the quantum master equation in the coherent state representation. The phenomena of Rabi-like oscillation and level repulsion…

Quantum Physics · Physics 2021-10-25 Guogan Zhao , Yong Wang , X. -F. Qian

Recent years have seen a growing interest in strong coupling between plasmons and excitons, as a way to generate new quantum optical testbeds and influence chemical dynamics and reactivity. Strong coupling to bright plasmonic modes has been…

Mesoscale and Nanoscale Physics · Physics 2020-02-11 Ora Bitton , Satyendra Nath Gupta , Lothar Houben , Michal Kvapil , Vlastimil Křápek , Tomas Šikola , Gilad Haran

Strong light-matter coupling gives rise to polaritons - hybrid excitations whose mixed photonic and matter character enables control over optical, electronic and chemical properties. This Feature Article surveys the main architectures…

We have studied theoretically the exciton-plasmon coupling effects on the third-order optical nonlinearity of a coherently coupled hybrid system of a metal nanoparticle and a semiconductor quantum dot in the presence of a strong control…

Optics · Physics 2013-07-23 Nam-Chol Kim , Myong-Chol Ko , Song-Jin Im , Zhong-Hua Hao

The demonstration of enhanced spontaneous emission of nanoscaled optical emitters near metallic nanoparticles and the recent realization of a nanolaser based on surface plasmon amplification by stimulated emission of radiation (spaser)…

Quantum Physics · Physics 2010-03-12 S. Savasta , R. Saja , A. Ridolfo , O. Di Stefano , P. Denti , F. Borghese

Strong light-matter coupling is a quantum process in which light and matter are coupled together, generating hybridized states. This is similar to the notion of molecular hybridization, but one of the components is light. Here, we utilized…

Applied Physics · Physics 2024-02-20 Jhuma Dutta , Pooja Bhatt , Kuljeet Kaur , Daniel E. Gómez , Jino George

The common model to describe exciton-plasmon interaction phenomenologically is the coupled oscillator model. Originally developed for atomic systems rather than solid-state matter, this model treats both excitons and plasmons as single…

Mesoscale and Nanoscale Physics · Physics 2024-10-23 Lara Greten , Robert Salzwedel , Diana Schutsch , Andreas Knorr

Multi-particle correlations of exciton-polaritons and reservoir-excitons in the strong light-matter coupling regime dictate the quantum dynamics of optical microcavities. In this letter, we examine the many-body exciton-polariton dynamics…

A complex quantum system can be constructed by coupling simple quantum elements to one another. For example, trapped-ion or superconducting quantum bits may be coupled by Coulomb interactions, mediated by the exchange of virtual photons.…

Controlling light-matter based quantum systems in the strong coupling regime allows for exploring quantum simulation of many-body physics in nowadays architectures. For instance, the atom-field interaction in a cavity QED network provides…

Quantum Physics · Physics 2021-05-26 Diego Tancara , Ariel Norambuena , Rubén Peña , Guillermo Romero , Felipe Torres , Raúl Coto

We show theoretically that coherent light can be completely absorbed in a two-dimensional or three-dimensional metallic nanostructure by matching the frequency and field pattern of an incident wave to that of a localized surface plasmon…

Optics · Physics 2015-05-30 Heeso Noh , Yidong Chong , A. Douglas Stone , Hui Cao

By connecting light to magnetism, cavity-magnon-polaritons (CMPs) can build links from quantum computation to spintronics. As a consequence, CMP-based information processing devices have thrived over the last five years, but almost…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Tim Wolz , Alexander Stehli , Andre Schneider , Isabella Boventer , Rair Macêdo , Alexey V. Ustinov , Mathias Kläui , Martin Weides

Classical coupled harmonic oscillator models are capable of describing the optical and infrared response of nanophotonic systems where a cavity photon couples to dipolar matter excitations. The distinct forms of coupling adopted in these…

Quantum Physics · Physics 2025-02-20 Unai Muniain , Javier Aizpurua , Rainer Hillenbrand , Luis Martín-Moreno , Ruben Esteban

We present a theory that efficiently describes the quantum dynamics of an electronic excitation that is coupled to a continuous, highly structured phonon environment. Based on a stochastic approach to non-Markovian open quantum systems, we…

Quantum Physics · Physics 2009-11-05 Jan Roden , Alexander Eisfeld , Wolfgang Wolff , Walter T. Strunz