2 citations · 3 across the 12 of their papers we have counts for
12 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…
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…
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…
Fluorescence enabled phonon counting in an erbium doped piezo-optomechanical microcavity
Likai Yang, Jiacheng Xie, Hong X. Tang
Converting phonons to photons with optomechanical interaction provides a pathway to realize single phonon counting, which is instrumental in the quantum applications of mechanical…
Symmetric Second-Harmonic Generation in Sub-wavelength Periodically Poled Thin Film Lithium Niobate
Fengyan Yang, Juanjuan Lu, Mohan Shen +2
Second harmonic generation (SHG) extensively employs periodically poled nonlinear crystals through forward quasi-phase-matching to achieve efficient frequency conversion. As poling…
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…
Unveiling the Pockels Coefficient of Ferroelectric Nitride ScAlN
Guangcanlan Yang, Haochen Wang, Sai Mu +7
Nitride ferroelectrics have recently emerged as promising alternatives to oxide ferroelectrics due to their compatibility with mainstream semiconductor processing. ScAlN, in partic…
Sub-terahertz optomechanics
Jiacheng Xie, Mohan Shen, Hong X. Tang
We demonstrate optomechanics in the sub-terahertz regime. An optical racetrack resonator, patterned from thin-film lithium niobate, is suspended to support mechanical structures os…
Light-Induced Microwave Noise in Superconducting Microwave-Optical Transducers
Mingrui Xu, Chunzhen Li, Yuntao Xu +1
Microwave-to-optical transducers are integral to the future of superconducting quantum computing, as they would enable scaling and long-distance communication of superconducting qu…
Photonic link from single flux quantum circuits to room temperature
Mohan Shen, Jiacheng Xie, Yuntao Xu +5
Broadband, energy-efficient signal transfer between cryogenic and room-temperature environment has been a major bottleneck for superconducting quantum and classical logic circuits.…
Domain control and periodic poling of epitaxial ScAlN
Fengyan Yang, Ding Wang, Ping Wang +3
ScAlN is an emerging ferroelectric material that possesses large band gap, strong piezoelectricity, and holds great promises for enhanced χ^{(2)} nonliearity. In this study, we dem…