Focus Point on Complex Photonics - Measurements, Theory and Simulations for Extreme Light-Matter InteractionsLorenzo Pattelli, Diederik Wiersma, Mark Brongersma and Federico CapassoEur. Phys. J. Plus, 133 3 (2018) 114DOI: https://doi.org/10.1140/epjp/i2018-11952-9