Non-Hermitian photonic lattices: tutorial
Non-Hermitian photonic lattices combine the peculiar consequences of energy non-conservation with the physics of bandstructures, giving rise to a variety of exotic properties not found in conventional materials or photonic metamaterials. In this tutorial, we introduce the key concepts in the desi...
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| Main Authors: | , |
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| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/170090 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | Non-Hermitian photonic lattices combine the peculiar consequences of energy
non-conservation with the physics of bandstructures, giving rise to a variety
of exotic properties not found in conventional materials or photonic
metamaterials. In this tutorial, we introduce the key concepts in the design
and implementation of non-Hermitian photonic lattices, including the general
features of non-Hermitian lattice Hamiltonians and their bandstructures, the
role of non-Hermitian lattice symmetries, and the topological chracterization
of non-Hermitian bandstructures. We survey several important non-Hermitian
lattice designs, as well as the photonic platforms on which they can be
realized. Finally, we discuss the possibilities for future developments in the
field. |
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