Direct observation of topological edge states in silicon photonic crystals

Nikhil Parappurath; Filippo Alpeggiani; L. Kuipers; Ewold Verhagen

doi:10.1109/CLEOE-EQEC.2019.8872498

Direct observation of topological edge states in silicon photonic crystals

Nikhil Parappurath, Filippo Alpeggiani, L. Kuipers, Ewold Verhagen

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

Abstract

The concept of topology has proven immensely powerful in physics, describing new phases of matter with unique properties. There has been a recent surge in attempts to implement topological protection in the photonic domain, owing to the application potential of robust transport immune to scattering at disorder. A famous class of electronic topological insulators relies on the quantum spin-Hall effect (QSHE). Photonic analogues of QSHE were recently predicted to occur in photonic crystals with special symmetries [1,2]. Interestingly, topological photonic crystals employing QSHE offer the possibility to access their properties via far-field radiation [3].

Original language	English
Title of host publication	2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
Place of Publication	Piscataway, NY, USA
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Number of pages	1
ISBN (Electronic)	9781728104690
DOIs	https://doi.org/10.1109/CLEOE-EQEC.2019.8872498
Publication status	Published - 2019
Event	2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 - Munich, Germany Duration: 23 Jun 2019 → 27 Jun 2019

Conference

Conference	2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
Country	Germany
City	Munich
Period	23/06/19 → 27/06/19

Access to Document

10.1109/CLEOE-EQEC.2019.8872498

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Parappurath, N., Alpeggiani, F., Kuipers, L., & Verhagen, E. (2019). Direct observation of topological edge states in silicon photonic crystals. In 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 [8872498] Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/CLEOE-EQEC.2019.8872498

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title = "Direct observation of topological edge states in silicon photonic crystals",

abstract = "The concept of topology has proven immensely powerful in physics, describing new phases of matter with unique properties. There has been a recent surge in attempts to implement topological protection in the photonic domain, owing to the application potential of robust transport immune to scattering at disorder. A famous class of electronic topological insulators relies on the quantum spin-Hall effect (QSHE). Photonic analogues of QSHE were recently predicted to occur in photonic crystals with special symmetries [1,2]. Interestingly, topological photonic crystals employing QSHE offer the possibility to access their properties via far-field radiation [3].",

author = "Nikhil Parappurath and Filippo Alpeggiani and L. Kuipers and Ewold Verhagen",

year = "2019",

doi = "10.1109/CLEOE-EQEC.2019.8872498",

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publisher = "Institute of Electrical and Electronics Engineers (IEEE)",

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Parappurath, N, Alpeggiani, F, Kuipers, L & Verhagen, E 2019, Direct observation of topological edge states in silicon photonic crystals. in 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019., 8872498, Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NY, USA, 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, Munich, Germany, 23/06/19. https://doi.org/10.1109/CLEOE-EQEC.2019.8872498

Direct observation of topological edge states in silicon photonic crystals. / Parappurath, Nikhil; Alpeggiani, Filippo; Kuipers, L.; Verhagen, Ewold.

2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019. Piscataway, NY, USA : Institute of Electrical and Electronics Engineers (IEEE), 2019. 8872498.

Research output: Chapter in Book/Conference proceedings/Edited volume › Conference contribution › Scientific › peer-review

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Parappurath N, Alpeggiani F, Kuipers L, Verhagen E. Direct observation of topological edge states in silicon photonic crystals. In 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019. Piscataway, NY, USA: Institute of Electrical and Electronics Engineers (IEEE). 2019. 8872498 https://doi.org/10.1109/CLEOE-EQEC.2019.8872498