AI Article Synopsis
- The text discusses a new type of spectral singularities that occur when two independent singularities with directional responses align.
- These singularities arise from a combination of parity-time symmetry and Fano resonances, leading to a phenomenon called resonance trapping.
- At these singularities, the system can allow significant transmission while simultaneously reflecting all incoming waves from one direction and none from the other.
Article Abstract
We propose a class of spectral singularities emerging from the coincidence of two independent singularities with highly directional responses. These spectral singularities result from resonance trapping induced by the interplay between parity-time symmetry and Fano resonances. At these singularities, while the system is reciprocal in terms of a finite transmission, a simultaneous infinite reflection from one side and zero reflection from the opposite side can be realized.
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| http://dx.doi.org/10.1103/PhysRevLett.113.263905 | DOI Listing |
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