Fig. 2: Pseudospectra of non-Hermitian circuits.
From: Spectral sensitivity near exceptional points as a resource for hardware encryption
Transmitter–Receiver (Tx–Rx) architecture that implements a DEP (a), a standard EP (b), and a traditional near-field telemetry setup (coil antenna) without any EPs (c). The corresponding pseudospectra are plotted on the right panel.
