8 papers
Accessing 100 GHz Mechanical Modes in Bulk Crystals at Cryogenic Temperatures
Boxuan Tian, Jiacheng Xie, Hong X. Tang
Sub-terahertz electromechanics offers a promising route to probe mechanical quantum motion at experimentally friendly Kelvin temperatures. Traditionally, high-frequency mechanical…
Cryogenic Loss Limits in Microwave Epitaxial AlN Acoustic Resonators
Hemant Gulupalli, Navnil Choudhury, Jiacheng Xie +6
Aluminum nitride (AlN)-based thin-film bulk acoustic wave resonators (FBARs) are promising compact platforms for 6G communications and quantum memory hardware, enabled by their int…
High-Q and Compact Fabry-Perot Microresonators on Thin-Film Lithium Niobate
Likai Yang, Chunzhen Li, Jiacheng Xie +1
Thin-film lithium niobate (TFLN) has played a pivotal role in the advancement of integrated photonics, by supporting a diverse range of applications including nonlinear optics, ele…
Towards terahertz nanomechanics
Jiacheng Xie, Weifeng Wu, Mohan Shen +2
Advancing electromechanical resonators towards terahertz frequencies opens vast bandwidths for phononic signal processing. In quantum phononics, mechanical resonators at these freq…
A kilometer photonic link connecting superconducting circuits in two dilution refrigerators
Yiyu Zhou, Yufeng Wu, Chunzhen Li +4
Superconducting quantum processors are a leading platform for implementing practical quantum computation algorithms. Although superconducting quantum processors with hundreds of qu…
Degeneracy-Locked Optical Parametric Oscillator
Fengyan Yang, Jiacheng Xie, Yiyu Zhou +4
Optical parametric oscillators (OPOs) are widely utilized in photonics as classical and quantum light sources. Conventional OPOs produce co-propagating signal and idler waves that…