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Daniel Leykam
복잡계 이론물리 연구단
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Topological photonic crystal fibers and ring resonators

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Title
Topological photonic crystal fibers and ring resonators
Author(s)
Pilozzi L.; Daniel Leykam; Chen Z.; Conti C.
Publication Date
2020-03
Journal
OPTICS LETTERS, v.45, no.6, pp.1415 - 1418
Publisher
OPTICAL SOC AMER
Abstract
With an exact recursive approach, we study photonic crystal fibers and resonators with topological features induced by Aubry–Andre–Harper cladding modulation. We find nontrivial gaps and edge states at the interface between regions with different topological invariants. These structures show topological protection against symmetry-preserving local perturbations that do not close the gap and sustain strong field localization and energy concentration at a given radial distance. As topological light guiding and trapping devices, they may bring about many opportunities for both fundamentals and applications unachievable with conventional devices. © 2020 Optical Society of America
URI
https://pr.ibs.re.kr/handle/8788114/7220
ISSN
0146-9592
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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