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17 March 2023 K-space metaphotonics with the bound states in the continuum
Shoufeng Lan
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Proceedings Volume PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII; PC124310G (2023) https://doi.org/10.1117/12.2657607
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
The quintessential concept of metamaterials is to obtain material properties via structuring, and that of photonic crystals is to master band structures inspired by condensed matter. The combination of the two gives rise to an exciting optical frontier called reciprocal or k-space metaphotonics, with a prominent example of bound states in the continuum (BICs). Here, we will discuss our recent efforts on artificial intelligence to design BICs, utilizing them for optically forbidden excitons, and investigate the topological nature of BICs for nonlinear high-harmonic generations. The high finesse and relative ease of fabrication could render BIC-based k-space metaphotonics promising for applications.
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Shoufeng Lan "K-space metaphotonics with the bound states in the continuum", Proc. SPIE PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII, PC124310G (17 March 2023); https://doi.org/10.1117/12.2657607
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KEYWORDS
Artificial intelligence
Condensed matter
Excitons
Frequency conversion
Metamaterials
Photonic crystals
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