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Related papers: Room-temperature exciton-polaritons with two-dimen…

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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

Fluorescent proteins (FPs) have recently emerged as a serious contender for realizing ultralow threshold room temperature exciton-polariton condensation and lasing. Our contribution investigates the thermalization of FP microcavity…

Exciton-polaritons in a microcavity are composite two-dimensional bosonic quasiparticles, arising from the strong coupling between confined light modes in a resonant planar optical cavity and excitonic transitions, typically using excitons…

Excitons in lead bromide perovskites exhibit high binding energy and high oscillator strength, allowing for a strong light-matter coupling regime in the perovskite-based cavities localizing photons at the nanoscale. This opens up the way…

Two dimensional (2D) perovskites are promising materials for photonic applications, given their outstanding nonlinear optical properties, ease of fabrication and versatility. In particular, exploiting their high oscillator strength, the…

Moire lattices attract significant attention in double-layer graphene and TMD layer heterostructures as well as in photonic crystals due to the interesting exotic physics that emerges within these structures. However, direct measurement of…

We investigate the strong coupling between the excitons and quasi-bound states in the continuum (BIC) resonance in a bulk WS$_2$ metasurface. Here we employ the bulk WS$_2$ to construct an ultrathin nanodisk metasurface, supporting the…

A single nanotube synthesized from a transition metal dichalcogenide (TMDC) exhibits strong exciton resonances and, in addition, can support optical whispering gallery modes. This combination is promising for observing exciton-polaritons…

Mesoscale and Nanoscale Physics · Physics 2024-01-17 A. I. Galimov , D. R. Kazanov , A. V. Poshakinskiy , M. V. Rakhlin , I. A. Eliseyev , A. A. Toropov , M. Remskar , T. V. Shubina

The emergence of spatial and temporal coherence of light emitted from solid-state systems is a fundamental phenomenon, rooting in a plethora of microscopic processes. It is intrinsically aligned with the control of light-matter coupling,…

The strong-coupling regime between an electronic transition and the photonic mode of a optical resonator manifests itself in the lifting of the degeneracy between the two modes and the creation of two polariton states with mixed optical and…

Mesoscale and Nanoscale Physics · Physics 2016-11-26 Markus Geiser , Giacomo Scalari , Fabrizio Castellano , Mattias Beck , Jérôme Faist

2D materials support unique excitations of quasi-particles that consist of a material excitation and photons called polaritons. Especially interesting are in-plane propagating polaritons which can be confined to a single monolayer and carry…

Room temperature strong coupling from CdSeS/Zn quantum-dots embedded into a tunable porous-silicon Fibonacci-conjugated array could be observed when exciton's energy was tuned either to the photonic-edge or the defect in the middle of the…

Strong optical nonlinearities play a central role in realizing quantum photonic technologies. In solid state systems, exciton-polaritons, which result from the hybridization of material excitations and cavity photons, are an attractive…

Macroscopic spontaneous coherence of exciton-polariton in semiconductor cavity is one important research field in condensed matter physics. All-inorganic micro/nanowire Fabry-P\'erot cavity with excellent optical performance makes it…

Mesoscale and Nanoscale Physics · Physics 2017-11-16 Wenna Du , Shuai Zhang , Jia Shi , Jie Chen , Zhiyong Wu , Yang Mi , Zhixiong Liu , Yuanzheng Li , Xinyu Sui , Tom Wu , Yunfeng Xiao , Qing Zhang , Xinfeng Liu

Transition metal dichalcogenides possess valley pseudospin, enabling coupling between photon spin and electron spin for classical and quantum information processing. However, rapid valley-dephasing processes have impeded the development of…

We report experimental observation of 2s exciton radiative emission from monolayer tungsten diselenide, enabled by hexagonal boron nitride protected high-quality samples. The 2s luminescence is highly robust and persists up to 150K,…

Mesoscale and Nanoscale Physics · Physics 2018-01-31 Shao-Yu Chen , Thomas Goldstein , Jiayue Tong , Takashi Taniguchi , Kenji Watanabe , Jun Yan

Polariton-based devices require materials where light-matter coupling under ambient conditions exceeds losses, but our current selection of such materials is limited. Here we measured the dispersion of polaritons formed by the $A$ and $B$…

Materials Science · Physics 2021-06-16 Patryk Kusch , Niclas S. Mueller , Martin T. Hartmann , Stephanie Reich

Hybrid halide perovskites are now considered as low-cost materials for contemporary research in photovoltaics and nanophotonics. In particular, because these materials can be solution processed, they represent a great hope for obtaining…

Transition metal dichalcogenides (TMDs) exhibit remarkable optical properties due to the diverse number of strongly bound excitons, which can be fine-tuned by alloying. Despite a flurry of research activity in characterizing these excitons,…

For monolayer transition metal chalcogenides (TMDs), electrons and excitons in different valleys can be driven to opposite directions by the Berry curvature, serving as a valley-dependent effective magnetic field. In addition to monolayer…

Mesoscale and Nanoscale Physics · Physics 2019-04-23 Zumeng Huang , Yuanda Liu , Kévin Dini , Zhuojun Liu , Hanlin Fang , Jin Liu , Timothy Liew , Weibo Gao
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