Fig. 5: Space-controlled coupling and sympathetic resonances in the dual-cavity waveguide system.
From: Far-field phonon coupling in valley metamaterial circuits
a Computed normalized |uz| plotted against frequency and inter-cavity distance L at (left) the Outlet, (middle) the upper edge of the NFC, and (right) the bottom edge of the FFC (positions as in Fig. 4a). Positive L indicates NFC is to the left of FFC; negative L < 0 indicates NFC to the right of FFC. b Three plots of normalized |uz| vs. L extracted from DF2 to DF4 in (a), compared with theoretical results calculated from \({D}_{{Fj}}{\prime} \times {P}_{{Fj}}{\prime} /{P}_{{Fj}}{\prime\prime} \left(1+{P}_{{FNj}}{\prime\prime} \right)\).
