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Semiconductor microcavity polaritons, formed via strong exciton-photon coupling, provide a quantum many-body system on a chip, featuring rich physics phenomena for better photonic technology. However, conventional polariton cavities are…

Mesoscale and Nanoscale Physics · Physics 2018-05-09 Long Zhang , Rahul Gogna , Will Burg , Emanuel Tutuc , Hui Deng

Photoluminescent carbon nanotubes are expected to become versatile room-temperature single-photon sources that have applications in quantum information processing. Quantum emission from carbon nanotubes is often induced by localization of…

Mesoscale and Nanoscale Physics · Physics 2021-11-18 Zhen Li , Keigo Otsuka , Daiki Yamashita , Daichi Kozawa , Yuichiro K. Kato

We theoretically demonstrate the generation and radiation of coherent nanoplasmons powered by a single three-level quantum emitter on a plasmonic nanoresonator. By pumping the three-level emitter in a Raman configuration, we show a pathway…

Optics · Physics 2017-12-01 Pu Zhang , Igor Protsenko , Vahid Sandoghdar , Xue-Wen Chen

Excitons spread through diffusion and interact through exciton-exciton annihilation. Nanophotonics can counteract the resulting decrease in light emission. However, conventional enhancement treats emitters as immobile and noninteracting.…

Exciton-polaritons provide a versatile platform for the study of a wide range of phenomena, including polariton lasers, topological polaritons, and bosonic condensation. Transition metal dichalcogenide monolayers host excitons with large…

Mesoscale and Nanoscale Physics · Physics 2026-05-15 Lukas Krelle , Lukas Husel , Kenji Watanabe , Takashi Taniguchi , Ismail Bilgin , Alexander Högele , Farsane Tabataba-Vakili

An array of $N$ closely spaced dipole coupled quantum emitters exhibits super- and subradiance with characteristic tailorable spatial radiation patterns. Optimizing their geometry and distance with respect to the spatial profile of a near…

Quantum Physics · Physics 2019-03-08 David Plankensteiner , Christian Sommer , Helmut Ritsch , Claudiu Genes

Single-photon sources are subjected to a fundamental limitation in the speed of operation dictated by the spontaneous emission rate of quantum emitters (QEs). The current paradigm of the rate acceleration suggests coupling of a QE to a…

Quantum Physics · Physics 2019-12-11 V. G. Bordo

Optical polaritons appear when a material excitation strongly couples to the optical mode. Such strong coupling between molecular transitions and optical cavities results in far-reaching opportunities in modifying fundamental properties of…

The goal of nanophotonics is to control and manipulate light at length scales below the diffraction limit. Typically nanostructured metals are used for this purpose, light being confined by exploiting the surface plasmon-polaritons such…

Mesoscale and Nanoscale Physics · Physics 2017-05-24 Martin J. Gentile , William L. Barnes

We investigate the influence of exciton-phonon coupling on the dynamics of a strongly coupled quantum dot-photonic crystal cavity system and explore the effects of this interaction on different schemes for non-classical light generation. By…

We propose an unconventional scheme of photoluminescence in a semiconductor thin film, where the nonlocal correlation between an excitonic wave and a light wave prominently enhances the exciton-light coupling beyond the long-wavelength…

Mesoscale and Nanoscale Physics · Physics 2016-04-15 Takuya Matsuda , Nobuhiko Yokoshi , Hajime Ishihara

We investigate the dynamical Casimir effect and its detection with Rydberg atoms. The photons are created in a resonant cavity with a plasma mirror of a semiconductor slab which is irradiated by periodic laser pulses. The canonical…

Quantum Physics · Physics 2011-10-28 Toru Kawakubo , Katsuji Yamamoto

Nanophotonics focuses on the control of light and the interaction with matter by the aid of intricate nanostructures. Typically, a photonic nanostructure is carefully designed for a specific application and any imperfections may reduce its…

Optics · Physics 2017-07-21 Pedro David García , Peter Lodahl

Plasmonic nano-structures provides an efficient way to control and enhance the radiative properties of quantum emitters. Coupling these structures to single defects in low-dimensional materials provides a particularly promising material…

Mesoscale and Nanoscale Physics · Physics 2018-10-18 Tao Cai , Je-Hyung Kim , Zhili Yang , Subhojit Dutta , Shahriar Aghaeimeibodi , Edo Waks

We investigate an all-optical microscale planar lensing technique based on coherent fluids of semiconductor cavity exciton-polariton condensates. Our theoretical analysis underpins the potential in using state-of-the-art spatial light…

Optics · Physics 2022-01-05 Y. Wang , H. Sigurdsson , J. D. Töpfer , P. G. Lagoudakis

The successful development of future photonic quantum technologies heavily depends on the possibility of realizing robust, reliable and, crucially, scalable nanophotonic devices. In integrated networks, quantum emitters can be deployed as…

We have computed the spectrum emitted spontaneously by a quantum dot coupled to an arbitrarily detuned single mode cavity, taking into account pure dephasing processes. We show that if the emitter is incoherent, the cavity can efficiently…

Quantum Physics · Physics 2015-05-13 Alexia Auffèves , Jean-Michel Gérard , Jean-Philippe Poizat

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

We discuss a technique to strongly couple a single target quantum emitter to a cavity mode, which is enabled by virtual excitations of a nearby mesoscopic ensemble of emitters. A collective coupling of the latter to both the cavity and the…

Single-walled carbon nanotubes (SWCNTs) are promising absorbers and emitters to enable novel photonic and optoelectronic applications but are also known to severely suffer from low optical quantum yields. Here we demonstrate SWCNTs excitons…

Mesoscale and Nanoscale Physics · Physics 2017-12-20 Yue Luo , Ehsaneh D. Ahmadi , Kamran Shayan , Yichen Ma , Kevin S. Mistry , Changjian Zhang , James Hone , Jeffrey L. Blackburn , Stefan Strauf
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