148 citations · 1.1k across the 23 of their papers we have counts for
23 papers
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…
Quantum transduction with microwave and optical entanglement
Changchun Zhong, Xu Han, Liang Jiang
Quantum transduction refers to the coherent conversion between microwave and optical states, which can be achieved by quantum teleportation if given high fidelity microwave-optical…
Single electrons on solid neon as a solid-state qubit platform
Xianjing Zhou, Gerwin Koolstra, Xufeng Zhang +9
Progress toward the realization of quantum computers requires persistent advances in their constituent building blocks - qubits. Novel qubit platforms that simultaneously embody lo…
Inverse Faraday Effect in an Optomagnonic Waveguide
Na Zhu, Xufeng Zhang, Xu Han +2
Single-mode high-index-contrast waveguides have been ubiquitously exploited in optical, microwave, and phononic structures for achieving enhanced wave-matter interactions. Although…
Floquet Cavity Electromagnonics
Jing Xu, Changchun Zhong, Xu Han +3
Hybrid magnonics has recently attracted intensive attentions as a promising platform for coherent information processing. In spite of its rapid development, on-demand control over…
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.…
Waveguide cavity optomagnonics for broadband multimode microwave-to-optics conversion
Na Zhu, Xufeng Zhang, Xu Han +5
Cavity optomagnonics has emerged as a promising platform for studying coherent photon-spin interactions as well as tunable microwave-to-optical conversion. However, current impleme…
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…
Microwave--Optical entanglement in a Strongly Coupled Electro-Optomechanical System
Changchun Zhong, Xu Han, Hong X. Tang +1
Quantum transduction between microwave and optics can be realized by quantum teleportation if given reliable microwave-optical entanglement, namely entanglement-based quantum trans…
On-chip sensing of hotspots in superconducting terahertz emitters
Xianjing Zhou, Xu Han, Dieter Koelle +3
Intrinsic Josephson junctions in high-temperature superconductor Bi2Sr2CaCu2O8 are known for their capability to emit high-power terahertz photons with widely tunable frequencies.…
Magnon-photon strong coupling for tunable microwave circulators
Na Zhu, Xu Han, Chang-Ling Zou +2
We present a generic theoretical framework to describe non-reciprocal microwave circulation in a multimode cavity magnonic system and assess the optimal performance of practical ci…
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…
Strong coupling-enabled broadband non-reciprocity
Xufeng Zhang, Alexey Galda, Xu Han +2
Non-reciprocity of signal transmission enhances capacity of communication channels and protects transmission quality against possible signal instabilities, thus becoming an importa…
Quantum Microwave Radiometry with a Superconducting Qubit
Zhixin Wang, Mingrui Xu, Xu Han +6
The interaction of photons and coherent quantum systems can be employed to detect electromagnetic radiation with remarkable sensitivity. We introduce a quantum radiometer based on…
Broadband on-chip single-photon spectrometer
Risheng Cheng, Chang-Ling Zou, Xiang Guo +3
Single-photon counters are single-pixel binary devices that click upon the absorption of a photon but obscure its spectral information, whereas resolving the colour of detected pho…
Heralded Generation and Detection of Entangled Microwave--Optical Photon Pairs
Changchun Zhong, Zhixin Wang, Changling Zou +8
Quantum state transfer between microwave and optical frequencies is essential for connecting superconducting quantum circuits to coherent optical systems and extending microwave qu…
Superconducting cavity electro-optics: a platform for coherent photon conversion between superconducting and photonic circuits
Linran Fan, Chang-Ling Zou, Risheng Cheng +5
Leveraging the quantum information processing ability of superconducting circuits and long-distance distribution ability of optical photons promises the realization of complex and…
Phase sensitive imaging of 10 GHz vibrations in an AlN microdisk resonator
Zhen Shen, Xu Han, Chang-Ling Zou +1
We demonstrate a high frequency phase-sensitive heterodyne vibrometer, operating up to 10 GHz. Using this heterodyne vibrometer, the amplitude and phase fields of the fundamental t…
Noise-free quantum optical frequency shifting driven by mechanics
Linran Fan, Chang-Ling Zou, Menno Poot +4
The ability to manipulate single photons is of critical importance for fundamental quantum optics studies and practical implementations of quantum communications. While extraordina…
Multimode Strong Coupling in Superconducting Cavity Piezo-electromechanics
Xu Han, Chang-Ling Zou, Hong X. Tang
High frequency mechanical resonators subjected to low thermal phonon occupancy are easier to be prepared to the ground state by direct cryogenic cooling. Their extreme stiffness, h…
Cavity piezomechanical strong coupling and frequency conversion on an aluminum nitride chip
Chang-Ling Zou, Xu Han, Liang Jiang +1
Schemes to achieve strong coupling between mechanical modes of aluminum nitride microstructures and microwave cavity modes due to the piezoelectric effect are proposed. We show tha…
Phase noise of self-sustained optomechanical oscillators
King Yan Fong, Menno Poot, Xu Han +1
In this paper we present a theory that predicts the phase noise characteristics of self-sustained optomechanical oscillators. By treating the cavity optomechanical system as a feed…
Microwave assisted coherent and nonlinear control in cavity piezo-optomechanical system
King Yan Fong, Linran Fan, Liang Jiang +2
We present a cavity piezo-optomechanical system where microwave and optical degrees of freedom are coupled through an ultra-high frequency mechanical resonator. By utilizing the co…