Topological phase transition induced by gain and loss in a photonic Chern insulator
We present a design of a non-Hermitian photonic Chern insulator whose band topology can be tuned via gain and loss. It is found that, by continuously varying the gain and loss parameter, a topological phase transition can take place in the photonic crystal, accompanied by the closing and reopening o...
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Main Authors: | Teo, Hau Tian, Xue, Haoran, Zhang, Baile |
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Other Authors: | School of Physical and Mathematical Sciences |
Format: | Article |
Language: | English |
Published: |
2022
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/161003 |
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Institution: | Nanyang Technological University |
Language: | English |
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