Oct 2026· Science Advances· Vol 12· 0 citations· 75 references
Medicine
Abstract
Quasiparticles arising from the interaction between mobile impurities and a quantum many-body environment—known as polarons—play a pivotal role in shaping the optical and electronic properties of low-dimensional systems. Here, we report the direct observation of electrically generated polaron-polaritons within a monolayer molybdenum diselenide microcavity. By embedding the monolayer in a planar optical cavity, we achieve strong coupling between exciton-polarons and cavity photons, creating an electrically driven light-emitting diode based on polaron-polaritons. The device exhibits an external quantum efficiency of ∼0.15%, representing a 10-fold enhancement over prior exciton-polariton devices based on monolayer tungsten disulfide. This demonstration establishes a versatile platform for inversionless laser technology and for polariton-based quantum optoelectronics while offering insights into radiative many-body physics in two-dimensional semiconductors.
Polarons are quasiparticles composed of excess electrons and local lattice distortions that are crucial for understanding many-body physics. However, atomic-scale observation and manipulation of an intrinsic polaron in strongly correlated systems still remain elusive. Here, we report the discovery and manipulation of...
Peng Fan, Qiu-Cheng Yu, Zi-Yuan Liu et al.· Nano letters (Print)· 0 citations
Exciton-polaritons are bosonic quasiparticles arising from strong light–matter coupling, capable of undergoing room-temperature Bose–Einstein condensation (BEC). Their vortex textures, which carry orbital angular momentum, hold great promise for advancing quantum and topological photonics. Here, we fabricate a 7 μm-dia...
Hao-Yu Luo, Xiao-Kun Zhai, Jun-Hui Cao et al.· Applied Physics Letters· 0 citations
As a frontier in condensed matter physics, the concept of topological insulators has been successfully extended from electronic systems to photonic systems and even to structured microcavities, where strong photon–exciton coupling gives rise to hybrid part-light, part-matter exciton–polaritons quasiparticles. Polariton...
Tong Ling, Yi-Ming Ning, Song-Lei Huang et al.· Journal of Physics: Condense...· 0 citations
Losses are a major roadblock in the technological implementation of surface plasmons at optical frequencies. The recent emergence of MoOCl2, a correlated van-der-Waals material with strongly anisotropic optical properties, offers new avenues to circumvent this limit. We report the far-field observation of high-Q surfac...
R. Tirole, Giacomo Venturi, Emroz Khan et al.· 0 citations
Anisotropy can endow optical systems with polarization sensitivity and nontrivial band structures, which are crucial for polarization manipulation, topological photonics, and related device applications. Here, we show that an aligned thin film of single-walled carbon nanotubes (CNTs) within a planar microcavity behav...
Nie Zhang, Hui-Hao Huang, Yan-Zhao Liu et al.· ACS Nano· 0 citations
The poor transport properties of organic semiconductors are considered as their Achilles’ heel, severely limiting the performance of organic-electronics devices. By embedding the molecules in photonic structures, their wave functions can be hybridized with light, creating composite light-matter excitations known as pol...
Gal Sandik, A. Golombek, T. Schwartz· Physical Chemistry of Semico...· 0 citations
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