27 citations · 59 across the 5 of their papers we have counts for
6 papers · 1 filter
Analytic Inverse Design of Temporal Metamaterials via Space-Time Duality
Giuseppe Castaldi, Marino Coppolaro, Massimo Moccia +3
Temporal metamaterials, created by modulating the refractive index in time, offer powerful means of controlling wave propagation but still lack a systematic design methodology. Her…
Exploring Aperiodic Order in Photonic Time Crystals
Marino Coppolaro, Massimo Moccia, Giuseppe Castaldi +1
We present a theoretical framework for analyzing aperiodically ordered photonic time quasicrystals (PTQCs), which are the temporal analogs of spatial photonic quasicrystals. Using…
Synthesizing quasi-bound states in the continuum in epsilon-near-zero layered materials
Giuseppe Castaldi, Massimo Moccia, Vincenzo Galdi
Bound states in the continuum (BIC) are highly confined, nonradiative modes that can exist in open structures, despite their potential compatibility and coupling with the radiation…
Exceptional Points in the Flatland: A Non-Hermitian Line-Wave Scenario
Massimo Moccia, Giuseppe Castaldi, Francesco Monticone +1
Line waves are recently discovered wave entities that are localized along two directions, and therefore can be viewed as the one-dimensional counterpart of surface waves. These wav…
Surface-Wave Propagation on Non-Hermitian Metasurfaces with Extreme Anisotropy
Marino Coppolaro, Massimo Moccia, Giuseppe Castaldi +2
Electromagnetic metasurfaces enable the advanced control of surface-wave propagation by spatially tailoring the local surface reactance. Interestingly, tailoring the surface resist…
Harnessing Spectral Singularities in Non-Hermitian Cylindrical Structures
Massimo Moccia, Giuseppe Castaldi, Andrea Alù +1
Non-Hermitian systems characterized by suitable spatial distributions of gain and loss can exhibit "spectral singularities" in the form of zero-width resonances associated to real-…