Figure 1: Coherent excitation of different resonance modes though selective coupling to odd and even parity multipoles. | Scientific Reports

Figure 1: Coherent excitation of different resonance modes though selective coupling to odd and even parity multipoles.

From: Coherent selection of invisible high-order electromagnetic excitations

Figure 1

The coherent spectroscopy uses an optical standing wave as excitation. For a metamaterial at the electric antinode (E-antinode) of the standing wave, its symmetric modes are excited through coupling to even-parity multipoles. Meanwhile, for the same metamaterial at the magnetic antinode (B-antinode), its anti-symmetric modes are excited through coupling to odd-parity multipoles.

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