Phys. Rev. Lett. 99, 147401 (2007) [4 pages]Sharp Trapped-Mode Resonances in Planar Metamaterials with a Broken Structural SymmetryReceived 23 February 2007; published 2 October 2007 We report that a resonance response with a very high quality factor can be achieved in a planar metamaterial by introducing symmetry breaking in the shape of its structural elements, which enables excitation of trapped modes, i.e., modes that are weakly coupled to free space. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.99.147401
DOI:
10.1103/PhysRevLett.99.147401
PACS:
78.66.Sq, 42.25.Bs, 42.70.−a, 78.67.−n
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