Near-Visible Topological Edge States in a Silicon Nitride Platform
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arXiv
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| Format: | Preprint |
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2024
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| author | Sharp, David Flower, Christopher Mehrabad, Mahmoud Jalali Manna, Arnab Rarick, Hannah Chen, Rui Hafezi, Mohammad Majumdar, Arka |
| author_facet | Sharp, David Flower, Christopher Mehrabad, Mahmoud Jalali Manna, Arnab Rarick, Hannah Chen, Rui Hafezi, Mohammad Majumdar, Arka |
| contents | Demonstrations of topological photonics have so far largely been confined to infrared wavelengths where imaging technology and access to low-dimensional quantum materials are both limited. Here, we designed and fabricated silicon nitride ring-resonator arrays to demonstrate photonic topological edge states at ~780 nm. We observed edge states corresponding to the integer quantum Hall Hamiltonian with topological protection against fabrication disorder. This demonstration extends the concept of topological edge states to the near-visible regime and paves the way for nonlinear and non-Hermitian topological photonics with the rich library of near-visible quantum emitters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_01432 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Near-Visible Topological Edge States in a Silicon Nitride Platform Sharp, David Flower, Christopher Mehrabad, Mahmoud Jalali Manna, Arnab Rarick, Hannah Chen, Rui Hafezi, Mohammad Majumdar, Arka Optics Demonstrations of topological photonics have so far largely been confined to infrared wavelengths where imaging technology and access to low-dimensional quantum materials are both limited. Here, we designed and fabricated silicon nitride ring-resonator arrays to demonstrate photonic topological edge states at ~780 nm. We observed edge states corresponding to the integer quantum Hall Hamiltonian with topological protection against fabrication disorder. This demonstration extends the concept of topological edge states to the near-visible regime and paves the way for nonlinear and non-Hermitian topological photonics with the rich library of near-visible quantum emitters. |
| title | Near-Visible Topological Edge States in a Silicon Nitride Platform |
| topic | Optics |
| url | https://arxiv.org/abs/2404.01432 |