4 papers
Steady-State Exceptional Point Degeneracy and Sensitivity of Nonlinear Saturable Coupled Oscillators
Benjamin Bradshaw, Amin Hakimi, Filippo Capolino
A coupled oscillator system displays enhanced sensitivity of its saturated steady-state (SS) oscillation frequency to small parameter perturbations near an exceptional point degene…
Experimental Analysis of Biasing Voltage Generation in Wave-Controlled RIS
Miguel Saavedra-Melo, Benjamin Bradshaw, Vanessa Yao +3
Reconfigurable intelligent surfaces (RISs), an emerging technology proposed for inclusion in next generation wireless communication systems, are programmable surfaces that can adap…
Array oscillator in coupled waveguides with nonlinear gain and radiation resistances saturating at exceptional point
Alireza Nikzamir, Albert Herrero-Parareda, Nathaniel Furman +3
A periodically loaded waveguide composed of periodic discrete nonlinear gain and radiating elements supports a stable oscillation regime related to the presence of an exceptional p…
Design and Operation Principles of a Wave-Controlled Reconfigurable Intelligent Surface
Gal Ben Itzhak, Miguel Saavedra-Melo, Benjamin Bradshaw +3
A Reflective Intelligent Surface (RIS) consists of many small reflective elements whose reflection properties can be adjusted to change the wireless propagation environment. Envisi…