Design of Photonic Topological Insulators Using Density Based Topology Optimization

Rasmus E. Christiansen*, Fengwen Wang, Ole Sigmund, Søren Stobbe

*Corresponding author for this work

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

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Abstract

We provide a novel photonic topological insulator design (PTI) exhibiting the quantum-spin-Hall effect, which, as opposed to previous designs, is conceived using numerical optimization of the transmission through PTI edge states. Specifically, we use topology optimization to maximize the transmission of light through a carefully configured model domain composed of two photonic crystal phases. This leads to a numerically generated PTI, which features larger bandgaps than previously predicted for planar PTIs and excellent suppression of backscattering from sharp bends.
Original languageEnglish
Publication date2019
Number of pages2
Publication statusPublished - 2019
Event10th International Conference on Metamaterials, Photonic Crystals and Plasmonics - Instituto Superior Técnico, Lisbon, Portugal
Duration: 23 Jul 201926 Jul 2019

Conference

Conference10th International Conference on Metamaterials, Photonic Crystals and Plasmonics
LocationInstituto Superior Técnico
CountryPortugal
CityLisbon
Period23/07/201926/07/2019

Cite this

Christiansen, R. E., Wang, F., Sigmund, O., & Stobbe, S. (2019). Design of Photonic Topological Insulators Using Density Based Topology Optimization. Abstract from 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Lisbon, Portugal.
Christiansen, Rasmus E. ; Wang, Fengwen ; Sigmund, Ole ; Stobbe, Søren. / Design of Photonic Topological Insulators Using Density Based Topology Optimization. Abstract from 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Lisbon, Portugal.2 p.
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title = "Design of Photonic Topological Insulators Using Density Based Topology Optimization",
abstract = "We provide a novel photonic topological insulator design (PTI) exhibiting the quantum-spin-Hall effect, which, as opposed to previous designs, is conceived using numerical optimization of the transmission through PTI edge states. Specifically, we use topology optimization to maximize the transmission of light through a carefully configured model domain composed of two photonic crystal phases. This leads to a numerically generated PTI, which features larger bandgaps than previously predicted for planar PTIs and excellent suppression of backscattering from sharp bends.",
author = "Christiansen, {Rasmus E.} and Fengwen Wang and Ole Sigmund and S{\o}ren Stobbe",
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note = "10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2019 ; Conference date: 23-07-2019 Through 26-07-2019",

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Christiansen, RE, Wang, F, Sigmund, O & Stobbe, S 2019, 'Design of Photonic Topological Insulators Using Density Based Topology Optimization' 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Lisbon, Portugal, 23/07/2019 - 26/07/2019, .

Design of Photonic Topological Insulators Using Density Based Topology Optimization. / Christiansen, Rasmus E.; Wang, Fengwen; Sigmund, Ole; Stobbe, Søren.

2019. Abstract from 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Lisbon, Portugal.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

TY - ABST

T1 - Design of Photonic Topological Insulators Using Density Based Topology Optimization

AU - Christiansen, Rasmus E.

AU - Wang, Fengwen

AU - Sigmund, Ole

AU - Stobbe, Søren

PY - 2019

Y1 - 2019

N2 - We provide a novel photonic topological insulator design (PTI) exhibiting the quantum-spin-Hall effect, which, as opposed to previous designs, is conceived using numerical optimization of the transmission through PTI edge states. Specifically, we use topology optimization to maximize the transmission of light through a carefully configured model domain composed of two photonic crystal phases. This leads to a numerically generated PTI, which features larger bandgaps than previously predicted for planar PTIs and excellent suppression of backscattering from sharp bends.

AB - We provide a novel photonic topological insulator design (PTI) exhibiting the quantum-spin-Hall effect, which, as opposed to previous designs, is conceived using numerical optimization of the transmission through PTI edge states. Specifically, we use topology optimization to maximize the transmission of light through a carefully configured model domain composed of two photonic crystal phases. This leads to a numerically generated PTI, which features larger bandgaps than previously predicted for planar PTIs and excellent suppression of backscattering from sharp bends.

M3 - Conference abstract for conference

ER -

Christiansen RE, Wang F, Sigmund O, Stobbe S. Design of Photonic Topological Insulators Using Density Based Topology Optimization. 2019. Abstract from 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics, Lisbon, Portugal.