Deformation engineering enables precise dispersion control in an optical microcavity

Julius Kullig; Jan Wiersig

doi:10.1038/s41377-026-02297-3

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Deformation engineering enables precise dispersion control in an optical microcavity

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- Deformation engineering enables precise dispersion control in an optical microcavity
- Light: Science & Applications Vol. 15, Issue 6, Pages: 1762-1764(2026)
- Affiliations：
  
  Otto-von-Guericke-Universität Magdeburg, Fakultät für Naturwissenschaften, Institut für Physik, Universitätsplatz 2, 39106 Magdeburg, Germany
- Author bio：
  
  Julius Kullig (julius.kullig@ovgu.de)
  Jan Wiersig (jan.wiersig@ovgu.de)
- Funds：
- DOI：10.1038/s41377-026-02297-3
  CLC：
- Online First：23 April 2026，
  
  Published：30 June 2026
- Accepted：
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Kullig, J. L. & Wiersig, J. Deformation engineering enables precise dispersion control in an optical microcavity. Light: Science & Applications, 15, 1762-1764 (2026).
DOI：

Kullig, J. L. & Wiersig, J. Deformation engineering enables precise dispersion control in an optical microcavity. Light: Science & Applications, 15, 1762-1764 (2026). DOI： 10.1038/s41377-026-02297-3.

摘要

Abstract

Efficient nonlinear optical processes require the maintenance of frequency matching across a broad spectral range. Recent research demonstrates that this can be realized by tailoring the shape of an optical microdisk.

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references

Cao, H. & Wiersig, J. Dielectric microcavities: model systems for wave chaos and non-Hermitian physics. Rev. Mod. Phys. 87 , 61–111 (2015)..

Ren, J. Z. et al. Dispersion engineering by rotational symmetry breaking in an optical microcavity. Light Sci. Appl. 15 , 81 (2026)..

Kwak, H. et al. Nonlinear resonance-assisted tunneling induced by microcavity deformation. Sci. Rep. 5 , 9010 (2015)..

Kullig, J. & Wiersig, J. Q spoiling in deformed optical microdisks due to resonance-assisted tunneling. Phys. Rev. E 94 , 022202 (2016)..

Wang, Z. R., Zhang, B. & Deng, H. Dispersion engineering for vertical microcavities using subwavelength gratings. Phys. Rev. Lett. 114 , 073601 (2015)..

Xu, C. H. et al. Microcavity dispersion engineering for the visible optical frequency comb generation. Appl. Phys. Lett. 114 , 091104 (2019)..

Yang, L. et al. Systematic dispersion engineering of crystalline microresonators for broadband and coherent frequency comb generation. APL Photonics 10 , 126109 (2025)..

Kippenberg, T. J. et al. Dissipative Kerr solitons in optical microresonators. Science 361 , eaan8083 (2018)..

Lu, X. Y. et al. Universal frequency engineering tool for microcavity nonlinear optics:multiple selective mode splitting of whispering-gallery resonances. Photonics Res. 8 , 1676–1686 (2020)..

Pontula, S. et al. Non-reciprocal frequency conversion in a non-Hermitian multimode nonlinear system. Nat. Commun. 16 , 7544 (2025)..

Kullig, J. & Wiersig, J. Perturbation theory for asymmetric deformed microdisk cavities. Phys. Rev. A 94 , 043850 (2016)..

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