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Spatial and Spectral Mode-Selection Effects in Topological Lasers with Frequency-Dependent Gain
Matteo Seclì, Tomoki Ozawa, Massimo Capone +1
We develop a semiclassical theory of laser oscillation into a chiral edge state of a topological photonic system endowed with a frequency-dependent gain. As an archetypal model of…
Chirality-driven edge flow and non-Hermitian topology in active nematic cells
Lisa Yamauchi, Tomoya Hayata, Masahito Uwamichi +2
Many of the biological phenomena involve collective dynamics driven by self-propelled motion and nonequilibrium force (i.e., activity) that result in features unexpected from equil…
Artificial magnetic field for synthetic quantum matter without dynamical modulation
Tomoki Ozawa
We propose an all-static method to realize an artificial magnetic field for charge neutral particles without introducing any time modulation. Our proposal consists of one-dimension…
Semi-Dirac Transport and Anisotropic Localization in Polariton Honeycomb Lattices
B. Real, O. Jamadi, M. Milićević +11
Compression dramatically changes the transport and localization properties of graphene. This is intimately related to the change of symmetry of the Dirac cone when the particle hop…
Quantum Fisher information measurement and verification of the quantum Cramér-Rao bound in a solid-state qubit
Min Yu, Yu Liu, Pengcheng Yang +8
The quantum Cramér-Rao bound sets a fundamental limit on the accuracy of unbiased parameter estimation in quantum systems, relating the uncertainty in determining a parameter to th…
Direct observation of photonic Landau levels and helical edge states in strained honeycomb lattices
O. Jamadi, E. Rozas, G. Salerno +9
We report the realization of a synthetic magnetic field for photons and polaritons in a honeycomb lattice of coupled semiconductor micropillars. A strong synthetic field is induced…