† College of Chemical Engineering, Sichuan University, Chengdu 610065, People’s Republic of China ‡ Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu ...

Abstract: We describe a shallow-etched diffractive waveguide grating coupler which achieves efficient coupling between single-mode fiber and a silicon-on-insulator optical waveguide. By the ...

NINGBO, ZHEJIANG, CHINA, January 26, 2026 /EINPresswire.com/ — In the competitive global arena of fluid transportation systems, the year 2026 marks a significant ...

Abstract: Since surface acoustic waves (SAWs) are composed of multiple displacement components, their slowness curves sometimes exhibit a more complex shape rather than elliptical or hyperbolic. As a ...