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Quantum coherence and interference of a single moiré exciton in nano-fabricated twisted semiconductor heterobilayers
Haonan Wang, Heejun Kim, Duanfei Dong +4
Moiré potential acts as periodic quantum confinement for optically generated exciton, generating spatially ordered zero-dimensional quantum system. However, broad emission spectrum…
An inverse-designed nanophotonic interface for excitons in atomically thin materials
Ryan J. Gelly, Alexander D. White, Giovanni Scuri +7
Efficient nanophotonic devices are essential for applications in quantum networking, optical information processing, sensing, and nonlinear optics. Extensive research efforts have…
Chiral Flat-Band Optical Cavity with Atomically Thin Mirrors
Daniel G. Suárez-Forero, Ruihao Ni, Supratik Sarkar +10
A fundamental requirement for photonic technologies is the ability to control the confinement and propagation of light. Widely utilized platforms include two-dimensional (2D) optic…
Organic molecules as origin of visible-range single photon emission from hexagonal boron nitride and mica
Michael Neumann, Xu Wei, Luis Morales-Inostroza +6
The discovery of room-temperature single-photon emitters (SPEs) hosted by two-dimensional hexagonal boron nitride (2D hBN) has sparked intense research interest. Although emitters…
Top-down integration of a hBN quantum emitter in a monolithic photonic waveguide
Domitille Gérard, Michael Rosticher, Kenji Watanabe +5
Integrated quantum photonics, with potential applications in quantum information processing, relies on the integration of quantum emitters into on-chip photonic circuits. Hexagonal…
Radiation pressure backaction on a hexagonal boron nitride nanomechanical resonator
Irene Sánchez Arribas, Takashi Taniguchi, Kenji Watanabe +1
Hexagonal boron nitride (hBN) is a van der Waals material with excellent mechanical properties hosting quantum emitters and optically active spin defects, several of them being sen…
Dynamics of moire trion and its valley polarization in microfabricated WSe2/MoSe2 heterobilayer
Heejun Kim, Duanfei Dong, Yuki Okamura +4
The moire potential, induced by stacking two monolayer semiconductors with slightly different lattice mismatches, acts as periodic quantum confinement for optically generated excit…
Magneto-optical chirality in a coherently coupled exciton-plasmon system
Samarth Vadia, Johannes Scherzer, Kenji Watanabe +2
Chirality is a fundamental asymmetry phenomenon, with chiral optical elements exhibiting asymmetric response in reflection or absorption of circularly polarized light. Recent reali…