Magneto-optics in a van der Waals magnet tuned by self-hybridized polaritons
arXiv:2301.07593 · doi:10.1038/s41586-023-06275-2
Abstract
Controlling quantum materials with light is of fundamental and technological importance. By utilizing the strong coupling of light and matter in optical cavities (1-3), recent studies were able to modify some of their most defining features (4-6). In this work, we study the magneto-optical properties of a van der Waals magnet that supports strong coupling of photons and excitons even in the absence of external cavity mirrors. In this material - the layered magnetic semiconductor CrSBr - emergent light-matter hybrids called polaritons are shown to significantly increase the spectral bandwidth of correlations between the magnetic, electronic, and optical properties, enabling largely tunable optical responses to applied magnetic fields and magnons. Our results highlight the importance of exciton-photon self-hybridization in van der Waals magnets and motivate novel directions for the manipulation of quantum material properties by strong light-matter coupling.
References in corpus (11)
- Direct photoluminescence probing of ferromagnetism in monolayer two-dimensional CrBr3
- Strongly-Correlated Electron-Photon Systems
- Physical origin of giant excitonic and magneto-optical responses in two-dimensional ferromagnetic insulators
- The bulk van der Waals layered magnet CrSBr is a quasi-1D material
- Tunable Exciton-Hybridized Magnon Interactions in a Layered Semiconductor
- Microcavity polariton light emitting diode
- Dynamic Magnetic Crossover at the Origin of the Hidden-Order in van der Waals Antiferromagnet CrSBr
- Spin-correlated exciton-polaritons in a van der Waals magnet
- Electrically tunable artificial gauge potential for polaritons
- Sensing the local magnetic environment through optically active defects in a layered magnetic semiconductor
- Anisotropic Gigahertz Antiferromagnetic Resonances of the Easy-Axis van der Waals Antiferromagnet CrSBr
Cited by in corpus (46)
- Roadmap for Photonics with 2D Materials
- Doping-control of excitons and magnetism in few-layer CrSBr
- Strong Exciton-Phonon Coupling as a Fingerprint of Magnetic Ordering in van der Waals Layered CrSBr
- Nanoscale magnetism and magnetic phase transitions in atomically thin CrSBr
- Exploring Quantum Materials with Resonant Inelastic X-Ray Scattering
- Magnon-mediated exciton-exciton interaction in a van der Waals antiferromagnet
- Magnetic imaging and domain nucleation in CrSBr down to the 2D limit
- Giant exchange splitting in the electronic structure of A-type 2D antiferromagnet CrSBr
- Charge transfer and asymmetric coupling of MoSe valleys to the magnetic order of CrSBr
- Magneto-optical sensing of the pressure driven magnetic ground states in bulk CrSBr
- Ferromagnetic interlayer coupling in CrSBr crystals irradiated by ions
- Charge Density Wave and Ferromagnetism in Intercalated CrSBr
- Intrinsic magnetic properties of the layered antiferromagnet CrSBr
- Programmable Magnetic Hysteresis in Orthogonally-Twisted Two-Dimensional CrSBr Magnets via Stacking Engineering
- Raman Polarization Switching in CrSBr
- Polaritonic Quantum Matter
- Spin-mechanical coupling in 2D antiferromagnet CrSBr
- Spin-chirality-driven second-harmonic generation in two-dimensional magnet CrSBr
- Magnetic Exciton-Polariton with Strongly Coupled Atomic and Photonic Anisotropies
- Distinct Magneto-Optical Response of Frenkel and Wannier Excitons in CrSBr
- Quantum Metric Nonlinear Spin-Orbit Torque Enhanced by Topological Bands
- Engineering of a Layered Ferromagnet via Graphitization: An Overlooked Polymorph of GdAlSi
- Magnon-polaron control in a surface magnetoacoustic wave resonator
- Interplay of energy and charge transfer in WSe2/CrSBr heterostructures
- Surface-Dominated Quantum Metric-Induced Nonlinear Transport in the Layered Antiferromagnet CrSBr
- Exciton Delocalization Suppresses Polariton Scattering
- Probing Short-Range Correlations in the van der Waals Magnet CrSBr by Small-Angle Neutron Scattering
- Tunable Nanophotonic Devices and Cavities based on a Two-Dimensional Magnet
- Twist Engineering of Anisotropic Excitonic and Optical Properties of a Two-Dimensional Magnetic Semiconductor
- Magnetic Correlation Spectroscopy in CrSBr
- Excitons and trions in CrSBr bilayers
- Magnetization Dynamics in Quasiperiodic Magnonic Crystals
- Magnon sensing of NO, NO and NH gas capture on CrSBr monolayer
- Directional Flow of Confined Polaritons in CrSBr
- Exciton transport driven by spin excitations in an antiferromagnet
- Van der Waals CrSBr alloys with tunable magnetic and optical properties
- Interplay of vibrational, electronic, and magnetic states in CrSBr
- Observation of anisotropic dispersive dark exciton dynamics in CrSBr
- Realization of chiral whispering gallery mode cavities enabled by photonic Chern insulators
- Resonant X-ray spectroscopies on Chromium orbitals in CrSBr
- Theory of interaction-induced charge order in CrSBr
- Magneto-Excitonic Duality From Monolayer to Trilayer CrSBr
- Scattering theory of frequency-entangled biphoton states facilitated by cavity polaritons
- Boltzmann transport theory of magnon-exciton drag
- Space-Charge-Limited van der Waals Spin Transistor
- Observation of an isolated flat band in the van der Waals crystal NbOCl