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Surface plasmon enhanced processes and hot-carrier dynamics in plasmonic nanostructures are of great fundamental interest to reveal light-matter interactions at the nanoscale. Using plasmonic tunnel junctions as a platform supporting both…

The manipulation of molecular excited state processes through strong coupling has attracted significant interest for its potential to provide precise control of photochemical phenomena. However, the key limiting factor for achieving this…

Quantum plasmonics experiments have on multiple occasions reported the observation of quantum coherence of discrete plasmons, which exhibit remarkable preservation of quantum interference visibility, a seemingly surprising feature for…

Quantum Physics · Physics 2019-10-23 Yury S. Tokpanov , James S. Fakonas , Benjamin Vest , Harry A. Atwater

Phonon interactions in solid-state photonics systems cause intrinsic quantum decoherence and often present the limiting factor in emerging quantum technology. Due to recent developments in nanophotonics, exciton-cavity structures with very…

Quantum Physics · Physics 2021-01-04 Emil V. Denning , Matias Bundgaard-Nielsen , Jesper Mork

Enhancement and active control of light-matter interactions at the atomic scale is important for developing next-generation nanophotonic and quantum optical devices. Here, we demonstrate electric control of both excitonic strong coupling…

We investigate the dynamics of a plasmonic oscillation over a metal nanoparticle when it is strongly coupled to a quantum emitter (e.g. quantum dot, molecule). We simulate the density matrix evolution for a simple model; coupled…

Optics · Physics 2013-08-27 Mehmet Emre Tasgin

The plasmon-mechanical resonators are frequently used in the development of sensors. Active frameworks impose mechanical motion into the lasing dynamics through the use of an optical gain and achieve better sensitivity. Here…

Optics · Physics 2023-07-10 Giuseppina Simone

Plasmonic dimer cavities can induce extreme electric-field hot spots that allow one to access ultrastrong coupling regimes using Raman-type spectroscopy on single vibrating molecules. Using a generalized master equation, we study resonant…

Quantum Physics · Physics 2021-07-29 Stephen Hughes , Alessio Settineri , Salvatore Savasta , Franco Nori

Well controlled nonlinear interactions between light field pulses and single atoms could be used to implement optical quantum information technologies based on qubits encoded in superpositions of coherent states of light. Here, we…

Quantum Physics · Physics 2014-07-28 Akihiro Yamaguchi , Holger F. Hofmann

We present an analytical model describing the transition to strong coupling regime for an ensemble of emitters resonantly coupled to a localized surface plasmon in a metal-dielectric structure. The response of a hybrid system to an external…

Optics · Physics 2025-06-26 Zoe Scott , Shafi Muhammad , Tigran V. Shahbazyan

A tapered optical nanofiber simultaneously used to trap and optically interface of cold atoms through evanescent fields constitutes a new and well controllable hybrid quantum system. The atoms are trapped in two parallel 1D optical lattices…

Quantum Physics · Physics 2010-10-25 Hashem Zoubi , Helmut Ritsch

Large exciton-polariton optical nonlinearities present a key mechanism for photonics-based communication, ultimately in the quantum regime. Enhanced nonlinear response from various materials hosting excitons and allowing for their strong…

Mesoscale and Nanoscale Physics · Physics 2024-08-05 Anna M. Grudinina , Nina S. Voronova

We propose an optomechanical scheme for reaching quantum entanglement in vibration polaritons. The system involves $N$ molecules, whose vibrations can be fairly entangled with plasmonic cavities. We find that the vibration-photon…

Quantum Physics · Physics 2024-05-28 Jian Huang , Dangyuan Lei , Girish S. Agarwal , Zhedong Zhang

A two-photon process leading to coherent transitions between the two circularly polarized exciton states in a quantum dot is studied. It is shown that optical flipping of the exciton polarization is possible with picosecond laser pulses.…

Mesoscale and Nanoscale Physics · Physics 2007-10-24 P. Machnikowski

Strong coupling of photons and materials in semiconductor nanocavity systems has been investigated because of its potentials in quantum information processing and related applications, and has been testbeds for cavity quantum…

Other Condensed Matter · Physics 2015-05-13 M. Nomura , N. Kumagai , S. Iwamoto , Y. Ota , Y. Arakawa

The ability to manipulate plasmons is driving new developments in electronics, optics, sensing, energy, and medicine. Despite the massive momentum of experimental research in this direction, a predictive quantum-mechanical framework for…

Materials Science · Physics 2016-10-12 Fabio Caruso , Feliciano Giustino

We demonstrate the strong coupling of direct transition excitons in tungsten disulfide (WS2) with collective plasmonic resonances at room temperature. We use open plasmonic cavities formed by periodic arrays of metallic nanoparticles. We…

Formation of dressed light-matter states in optical structures, manifested as Rabi splitting of the eigen energies of a coupled system, is one of the key effects in quantum optics. In pursuing this regime with semiconductors, light is…

Solid state cavity quantum electrodynamics is a rapidly advancing field which explores the frontiers of light-matter coupling. Plasmonic approaches are of particular interest in this field, since they carry the potential to squeeze optical…

All-solid-state strong light-matter coupling systems with large vacuum Rabi splitting are great important for quantum information application, such as quantum manipulation, quantum information storage and processing. The monolayer…

Mesoscale and Nanoscale Physics · Physics 2017-04-27 Jinxiu Wen , Hao Wang , Huanjun Chen , Shaozhi Deng , Ningsheng Xu