Strong second-harmonic generation by sublattice polarization in non-uniformly strained monolayer graphene

K Lu, M Luo, W Gao, QJ Wang, H Sun… - Nature Communications, 2023 - nature.com
Despite the potential of graphene for building a variety of quantum photonic devices, its
centrosymmetric nature forbids the observation of second harmonic generation (SHG) for …

[HTML][HTML] Self-adaptive multistage infrared radiative thermo-optic modulators based on phase-change materials

H Zhu, B **e, W Zhang, C Zheng, L Liu - Photonics, 2023 - mdpi.com
Phase-Change Materials (PCMs) are widely applied in dynamic optical modulation due to
the dramatic changes in their complex refractive index caused by temperature variation. As …

Enabling second harmonic generation in pseudo-Landau quantized graphene through sublattice polarization

K Lu, M Luo, W Gao, QJ Wang, H Sun… - CLEO: Science and …, 2023 - opg.optica.org
We enable second harmonic generation in pseudo-Landau quantized graphene that
achieves strong strain-induced sublattice polarization. A strong temperature-dependent …