dorsal/arxiv
View SchemaTwist Defect in Chiral Photonic Structures
| Authors | Victor I. Kopp, Azriel Z. Genack |
|---|---|
| Categories | |
| ArXiv ID | physics/0210073 |
| URL | https://arxiv.org/abs/physics/0210073 |
| DOI | 10.1103/PhysRevLett.89.033901 |
| Journal | Phys. Rev. Lett. 89, 033901 (2002) |
Abstract
We demonstrate that twisting one part of a chiral photonic structure about its helical axis produces a single circularly polarized localized mode that gives rise to an anomalous crossover in propagation. Up to a crossover thickness, this defect results in a peak in transmission and exponential scaling of the linewidth for a circularly polarized wave with the same handedness as structure. Above the crossover, however, the linewidth saturates and the defect mode can be excited only by the oppositely polarized wave, resulting in a peak in reflection instead of transmission.
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"abstract": "We demonstrate that twisting one part of a chiral photonic structure about\nits helical axis produces a single circularly polarized localized mode that\ngives rise to an anomalous crossover in propagation. Up to a crossover\nthickness, this defect results in a peak in transmission and exponential\nscaling of the linewidth for a circularly polarized wave with the same\nhandedness as structure. Above the crossover, however, the linewidth saturates\nand the defect mode can be excited only by the oppositely polarized wave,\nresulting in a peak in reflection instead of transmission.",
"arxiv_id": "physics/0210073",
"authors": [
"Victor I. Kopp",
"Azriel Z. Genack"
],
"categories": [
"physics.optics"
],
"doi": "10.1103/PhysRevLett.89.033901",
"journal_ref": "Phys. Rev. Lett. 89, 033901 (2002)",
"title": "Twist Defect in Chiral Photonic Structures",
"url": "https://arxiv.org/abs/physics/0210073"
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