Nonlinear physics of moiré superlattices

Nonlinear physics is one of the most important research fields in modern physics and materials science. It offers an unprecedented paradigm for exploring many fascinating physical phenomena and realizing diverse cutting-edge applications inconceivable in the framework of linear processes. Here we review the recent theoretical and experimental progress concerning the nonlinear physics of synthetic quantum moiré superlattices. We focus on the emerging nonlinear electronic, optical and optoelectronic properties of moiré superlattices, including but not limited to the nonlinear anomalous Hall effect, dynamically twistable harmonic generation, nonlinear optical chirality, ultralow-power-threshold optical solitons and spontaneous photogalvanic effect. We also present our perspectives on the future opportunities and challenges in this rapidly progressing field, and highlight the implications for advances in both fundamental physics and technological innovations.

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10.1038/s41563-024-01951-8

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Du, L, Huang, Z, Zhang, J, Ye, F, Dai, Q, Deng, H, Zhang, G & Sun, Z 2024, ' Nonlinear physics of moiré superlattices ', Nature Materials, vol. 23, no. 9, pp. 1179-1192 . https://doi.org/10.1038/s41563-024-01951-8

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https://urn.fi/URN:NBN:fi:aalto-202501292150

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[article-cris] Sähkötekniikan korkeakoulu / ELEC

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Nonlinear physics of moiré superlattices

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