Advanced Photonics
Co-Editors-in-Chief
Xiao-Cong (Larry) Yuan, Anatoly Zayats
2025
Volume: 7 Issue 6
1 Article(s)
Pan Hu, Lu Sun, Ce Chen, Jingchi Li, Xiong Ni, Xintao He, Jianwen Dong, and Yikai Su

Pseudomagnetic fields (PMFs) can manipulate photons in a similar way that magnetic fields control electrons. However, the PMF-based control over light has been restricted to simple waveguiding of the Landau level states, which hinders the application of PMFs in practical photonic integrated circuits. Here, we propose a universal and systematic methodology to design complex nonuniform PMFs and arbitrarily control the flow of light in silicon photonic crystals at telecommunication wavelengths. As proofs of concept, an S-bend (with a low insertion loss of <1.83 dB) and a 50:50 power splitter (with a low excess loss of <2.11 dB and imbalance of less than ±0.5 dB) based on PMFs are experimentally demonstrated. A high-speed data transmission experiment is performed on these devices with 140-Gb / s four-level pulse amplitude modulation signals to prove their applicability in real communication systems. The proposed method offers a paradigm for exploring magnetic-field-related physics with neutral particles and developing nanophotonic devices with PMF-induced states beyond the Landau level states and the topological edge states.

Sep. 01, 2025
  • Vol. 7 Issue 6 066001 (2025)
  • Please enter the answer below before you can view the full text.
    Submit