2 papers
physics.optics2025
Electric-Field-Induced Second-Harmonic Generation
Hangkai Fan, Alexey Proskurin, Mingzhao Song +2
Second-harmonic generation (SHG) is a fundamental nonlinear optical process widely used in photonics; however, it is strictly forbidden in the bulk of centrosymmetric materials due…
physics.optics2025
Experimental Study of Fabry-Perot BICs in a Microwave Waveguide
Zilong Zhao, Nikolay Solodovchenko, Chao Sun +3
We study Fabry-Perot bound states in the continuum (FP-BIC) in the GHz frequency range, formed by two ceramic discs placed inside a metallic-walled rectangular waveguide, that act…