Tailored subcycle nonlinearities of ultrastrong light-matter coupling
arXiv:2011.14635 · doi:10.1103/PhysRevLett.126.177404
Abstract
We explore the nonlinear response of tailor-cut light-matter hybrid states in a novel regime, where both the Rabi frequency induced by a coherent driving field and the vacuum Rabi frequency set by a cavity field are comparable to the carrier frequency of light. In this previously unexplored strong-field limit of ultrastrong coupling, subcycle pump-probe and multi-wave mixing nonlinearities between different polariton states violate the normal-mode approximation while ultrastrong coupling remains intact, as confirmed by our mean-field model. We expect such custom-cut nonlinearities of hybridized elementary excitations to facilitate non-classical light sources, quantum phase transitions, or cavity chemistry with virtual photons.
arXiv comment10 pages, 4 figures, additional supplemental material
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Cited by in corpus (10)
- Cavity Quantum Materials
- An ultrastrongly coupled single THz meta-atom
- Intersubband polariton-polariton scattering in a dispersive microcavity
- Polaritonic Quantum Matter
- Perspective on real-space nanophotonic field manipulation using non-perturbative light-matter coupling
- Unlocking Quantum Control and Multi-Order Correlations via Terahertz Two-Dimensional Coherent Spectroscopy
- Extracting Nonlinear Dynamical Response Functions from Time Evolution
- Light-matter interactions in the vacuum of ultra-strongly coupled systems
- Cavity-mediated electron hopping in disordered quantum Hall systems
- All-optical band structure reconstruction and onset of Landau quantization of Dirac fermions