2 papers
physics.optics2024
High-efficiency, cryogenic-compatible grating couplers on an AlN-on-sapphire platform through bottom-side coupling
Yiyu Zhou, Mohan Shen, Chunzhen Li +2
Sapphire is a commonly used substrate for wide-bandgap III-nitride photonic materials. However, its relatively high refractive index results in low transmission efficiency in grati…
physics.app-ph2024
Non-contact excitation of multi-GHz lithium niobate electromechanical resonators
Danqing Wang, Jiacheng Xie, Yu Guo +2
The demand for high-performance electromechanical resonators is ever-growing across diverse applications, ranging from sensing and time-keeping to advanced communication devices. A…