@ARTICLE {34213, author={João C. Serra Serra and E. Galiffi and P. Huidobro and J. B. P. Pendry and M. G. Silveirinha}, doi={10.1364/OME.521571}, journal={Optical Materials Express}, title={Particle-hole instabilities in photonic time-varying systems}, year={2024}, month={May}, volume={14}, number={6}, pages={1459-1459}, ISSN={} }