Thermo-optic control of a topological zero mode

Thermo-optic control of a topological zero mode

Optica Nonlinear Optics 2025

https://opg.optica.org/abstract.cfm?uri=NLO-2025-W4A.7

Byoung-Uk Sohn, Hongwei Gao, Xavier Chia, Ju Won Choi, Doris Ng, Dawn Tan

04 August 2025

B. Sohn, H. Gao, X. X. Chia, J. W. Choi, D. K. T. Ng, and D. T. H. Tan, "Thermo-optic control of a topological zero mode," in Optica Nonlinear Optics 2025 (NLO), Technical Digest Series (Optica Publishing Group, 2025), paper W4A.7.

We explore the thermo-optic-induced delocalization of a topological mode in a Su-Schrieffer- Heeger (SSH) system featuring a domain wall, and demonstrate modulation of the idler signal generated via nonlinear parametric wavelength conversion, governed by thermo-optic effects.

Publisher Copyright

This research / project is supported by the National Research Foundation - NFR Investigatorship
Grant Reference no. : NRF-NRFI08-2022-0003

This research / project is supported by the MOE - Academic Research Fund Tier 2 Grant
Grant Reference no. : T2EP50121-0019

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https://oar.a-star.edu.sg/communities-collections/articles/23429

978-957171-49-4

Institute of Microelectronics