444 citations · 1.1k across the 15 of their papers we have counts for
16 papers
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.…
Light-induced dynamic frequency shifting of microwave photons in a superconducting electro-optic converter
Yuntao Xu, Wei Fu, Yiyu Zhou +4
Hybrid superconducting-photonic microresonators are a promising platform for realizing microwave-to-optical transduction. However, the absorption of scattered photons by the superc…
Superconducting cavity piezo-electromechanics: the realization of an acoustic frequency comb at microwave frequencies
Xu Han, Chang-Ling Zou, Wei Fu +3
We present a nonlinear multimode superconducting electroacoustic system, where the interplay between superconducting kinetic inductance and piezoelectric strong coupling establishe…
SmartCut Er:LiNbO3 with high optical coherence enabling optical thickness control
Sihao Wang, Likai Yang, Mohan Shen +5
Integrated photonics capable of incorporating rare earth ions with high optical coherence is desirable for realizing efficient quantum transducers, compact quantum memories, and hy…
Bidirectional electro-optic conversion reaching 1% efficiency with thin-film lithium niobate
Yuntao Xu, Ayed Al Sayem, Linran Fan +7
Superconducting cavity electro-optics (EO) presents a promising route to coherently convert microwave and optical photons and distribute quantum entanglement between superconductin…
Mitigating photorefractive effect in thin-filmlithium niobate microring resonators
Yuntao Xu, Mohan Shen, Juanjuan Lu +3
Thin-film lithium niobate is an attractive integrated photonics platform due to its low optical loss and favorable optical nonlinear and electro-optic properties. However, in appli…
Photorefraction-induced Bragg scattering in cryogenic lithium niobate ring resonators
Yuntao Xu, Ayed Al Sayem, Chang-Ling Zou +2
We report intracavity Bragg scattering induced by photorefractive (PR) effect in high-Q lithium niobate (LN) ring resonators at cryogenic temperatures. We show that, when a cavity…
Stable tuning of photorefractive micro-cavities using an auxiliary laser
Joshua B. Surya, Juanjuan Lu, Yuntao Xu +1
Cavity nonlinear optics enables intriguing physical phenomena to occur at micro- or nano-scales with modest input powers. While this enhances capabilities in applications such as c…
Ground-state Pulsed Cavity Electro-optics for Microwave-to-optical Conversion
Wei Fu, Mingrui Xu, Xianwen Liu +9
In the development of quantum microwave-to-optical (MO) converters, excessive noise induced by the parametric optical drive remains a major challenge at milli-Kelvin temperatures.…
Photonic dissipation control for Kerr soliton generation in strongly Raman-active media
Zheng Gong, Ming Li, Xianwen Liu +6
Microcavity solitons enable miniaturized coherent frequency comb sources. However, the formation of microcavity solitons can be disrupted by stimulated Raman scattering (SRS), part…
Cavity piezo-mechanics for superconducting-nanophotonic quantum interface
Xu Han, Wei Fu, Changchun Zhong +8
Hybrid quantum systems are essential for the realization of distributed quantum networks. In particular, piezo-mechanics operating at typical superconducting qubit frequencies feat…
Incorporation of erbium ions into thin-film lithium niobate integrated photonics
Sihao Wang, Likai Yang, Risheng Cheng +5
As an active material with favorable linear and nonlinear optical properties, thin-film lithium niobate has demonstrated its potential in integrated photonics. Integration with rar…
Periodically poled thin film lithium niobate microring resonators with a second-harmonic generation efficiency of 250,000%/W
Juanjuan Lu, Joshua B. Surya, Xianwen Liu +4
Lithium niobate (LN), dubbed by many as the silicon of photonics, has recently risen to the forefront of chip-scale nonlinear optics research since its demonstration as an ultralow…
Radiative cooling of a superconducting resonator
Mingrui Xu, Xu Han, Chang-Ling Zou +5
Cooling microwave resonators to near the quantum ground state, crucial for their operation in the quantum regime, is typically achieved by direct device refrigeration to a few tens…
High Quality Factor Surface Fabry-Perot Cavity of Acoustic Waves
Yuntao Xu, Wei Fu, Chang-ling Zou +2
Surface acoustic wave (SAW) resonators are critical components in wireless communications and many sensing applications. They have also recently emerged as subject of study in quan…