Abstract:In this paper, we propose and demonstrate time-modulated
patch antennas able to exhibit opposite polarization ellipticity when operated
in transmission or reception, effectively leading to nonreciprocal polarization
responses. To this purpose, we merge a patch antenna fed from four symmetrical
sides with a low-frequency time-modulation scheme. This configuration exploits
the photonic Aharonov Bohm effect to individually manipulate the phase of
surface currents flowing along orthogonal directions on the antenna… Show more
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