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Related papers: Moir\'e excitons and exciton-polaritons: A review

200 papers

Moir\'e superlattices in atomically thin van-der-Waals heterostructures hold great promise for an extended control of electronic and valleytronic lifetimes, the confinement of excitons in artificial moir\'e lattices, and the formation of…

Twisted atomically thin semiconductors are characterized by moir\'{e} excitons. Their optical signatures and selection rules are well understood. However, their hybridization with photons in the strong coupling regime for heterostructures…

Mesoscale and Nanoscale Physics · Physics 2022-06-22 Jamie M. Fitzgerald , Joshua J. P. Thompson , Ermin Malic

Moir\'e patterns with angular mismatch in van der Waals heterostructures composed of atomically thin semiconducting materials are a fascinating platform to engineer the optically generated excitonic properties towards novel quantum…

Mesoscale and Nanoscale Physics · Physics 2020-12-17 Keisuke Shinokita , Yuhei Miyauchi , Kenji Watanabe , Takashi Taniguchi , Kazunari Matsuda

Interacting bosonic quasiparticles are the cornerstone for exploring many-body physics and nonlinear quantum phenomena in correlated light-matter systems. Strongly interacting dipolar excitons in van der Waals heterostructures have…

Controlling matter-light interactions with cavities is of fundamental importance in modern science and technology. It is exemplified in the strong-coupling regime, where matter-light hybrid modes form, with properties controllable via the…

Mesoscale and Nanoscale Physics · Physics 2021-11-03 Long Zhang , Fengcheng Wu , Shaocong Hou , Zhe Zhang , Yu-Hsun Chou , Kenji Watanabe , Takashi Taniguchi , Stephen R. Forrest , Hui Deng

Stacking monolayers of transition metal dichalcogenides into a heterostructure with a finite twist-angle gives rise to artificial moir\'e superlattices with a tunable periodicity. As a consequence, excitons experience a periodic potential,…

Mesoscale and Nanoscale Physics · Physics 2020-12-30 Samuel Brem , Christopher Linderälv , Paul Erhart , Ermin Malic

Highly uniform and ordered nanodot arrays are crucial for high performance quantum optoelectronics including new semiconductor lasers and single photon emitters, and for synthesizing artificial lattices of interacting quasiparticles towards…

Mesoscale and Nanoscale Physics · Physics 2017-11-15 Hongyi Yu , Gui-Bin Liu , Jianju Tang , Xiaodong Xu , Wang Yao

In van der Waals (vdW) heterostructures formed by stacking two monolayer semiconductors, lattice mismatch or rotational misalignment introduces an in-plane moir\'e superlattice. While it is widely recognized that a moir\'e superlattice can…

Fabricating van der Waals (vdW) bilayer heterostructures (BL-HS) by stacking the same or different two-dimensional (2D) layers, offers a unique physical system with rich electronic and optical properties. Twist-angle between component…

Mesoscale and Nanoscale Physics · Physics 2020-12-17 Kha Tran , Junho Choi , Akshay Singh

Moir\'e superlattices in twisted van der Waals materials constitute a promising platform for engineering electronic and optical properties. However, a major obstacle to fully understanding these systems and harnessing their potential is the…

The additional layer degree of freedom in trilayer moir\'e superlattices of transition metal dichalcogenides enables the emergence of novel excitonic species, such as quadrupolar excitons, which exhibit unique excitonic interactions and…

In bilayers of semiconducting transition metal dichalcogenides, the twist angle between layers can be used to introduce a highly regular periodic potential modulation on a length scale that is large compared to the unit cell. In such…

Materials Science · Physics 2022-04-27 N. Götting , F. Lohof , C. Gies

Twisted van der Waals heterostructures and the corresponding superlattices, moire superlattices, are remarkable new material platforms, in which electron interactions and excited-state properties can be engineered. Particularly, the band…

Mesoscale and Nanoscale Physics · Physics 2019-11-13 Xiaobo Lu , Xiaoqin Li , Li Yang

Moir\'e lattices formed from semiconductor bilayers host tightly localised excitons that can simultaneously couple strongly to light and possess large electric dipole moments. This facilitates the realization of new forms of polaritons that…

Mesoscale and Nanoscale Physics · Physics 2022-10-26 A. Camacho-Guardian , N. R. Cooper

Transition-metal dichalcogenide heterostructures exhibit moir\'e patterns that spatially modulate the electronic structure across the material's plane. For certain material pairs, this modulation acts as a potential landscape with deep,…

Mesoscale and Nanoscale Physics · Physics 2021-03-12 David A. Ruiz-Tijerina , Isaac Soltero , Francisco Mireles

Exciton-polaritons in semiconductor microcavities have advanced to become a model system for studying dynamical Bose-Einstein condensation, macroscopic coherence, many-body effects, nonclassical states of light and matter, and possibly…

Quantum Gases · Physics 2017-03-21 C. Schneider , K. Winkler , M. D. Fraser , M. Kamp , Y. Yamamoto , E. A. Ostrovskaya , S. Hoefling

Strong Coulomb interactions can drive electrons to crystallize into a Wigner lattice. Achieving the bosonic analogue - a crystal of excitons - has remained elusive due to their short lifetimes and weaker interactions. Here, we report the…

The rise of quantum science and technologies motivates photonics research to seek new platforms with strong light-matter interactions to facilitate quantum behaviors at moderate light intensities. One promising platform to reach such strong…

Atomically thin heterostructures formed by twisted transition metal dichalcogenides can be used to create periodic moir\'e patterns. The emerging moir\'e potential can trap interlayer excitons into arrays of strongly interacting bosons,…

Mesoscale and Nanoscale Physics · Physics 2024-03-21 Samuel Brem , Ermin Malic

We describe exciton-polariton modes formed by the interaction between excitons in a 2D layer of a transition metal dichalcogenide embedded in a cylindrical microcavity and the microcavity photons. For this, an expression for the excitonic…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 José Nuno S. Gomes , Carlos Trallero-Giner , Nuno M. R. Peres , Mikhail I. Vasilevskiy
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