123 citations · 599 across the 25 of their papers we have counts for
25 papers
Enhancing Microwave-Optical Bell Pairs Generation for Quantum Transduction Using Kerr Nonlinearity
Fangxin Li, Ming Yuan, Zhaoyou Wang +2
Microwave-optical quantum transduction can be achieved via quantum teleportation using microwave-optical photon Bell pairs. The standard spontaneous parametric down-conversion (SPD…
Efficiently catching entangled microwave photons from a quantum transducer with shaped optical pumps
Changchun Zhong
Quantum transducer, when working as a microwave and optical entanglement generator, provides a practical way of coherently connecting optical communication channels and microwave q…
Microwave-Optical Entanglement from Pulse-pumped Electro-optomechanics
Changchun Zhong, Fangxin Li, Srujan Meesala +4
Entangling microwave and optical photons is one of the promising ways to realize quantum transduction through quantum teleportation. This paper investigates the entanglement of mic…
Dynamical phase-field model of cavity electromagnonic systems
Shihao Zhuang, Yujie Zhu, Changchun Zhong +3
Cavity electromagnonic system, which simultaneously consists of cavities for photons, magnons (quanta of spin waves), and acoustic phonons, provides an exciting platform to achieve…
Slow-Wave Hybrid Magnonics
Jing Xu, Changchun Zhong, Shihao Zhuang +10
Cavity magnonics is an emerging research area focusing on the coupling between magnons and photons. Despite its great potential for coherent information processing, it has been lon…
Quantum entanglement between optical and microwave photonic qubits
Srujan Meesala, David Lake, Steven Wood +6
Entanglement is an extraordinary feature of quantum mechanics. Sources of entangled optical photons were essential to test the foundations of quantum physics through violations of…
Optimized protocols for duplex quantum transduction
Zhaoyou Wang, Mengzhen Zhang, Yat Wong +2
Quantum transducers convert quantum signals through hybrid interfaces of physical platforms in quantum networks. Modeled as quantum communication channels, performance of unidirect…
Non-classical microwave-optical photon pair generation with a chip-scale transducer
Srujan Meesala, Steven Wood, David Lake +6
Modern computing and communication technologies such as supercomputers and the internet are based on optically connected networks of microwave frequency information processors. In…
Quantum transduction is enhanced by single mode squeezing operators
Changchun Zhong, Mingrui Xu, Aashish Clerk +2
Quantum transduction is an essential ingredient in scaling up distributed quantum architecture and is actively pursued based on various physical platforms. However, demonstrating a…
Quantum Kerr Learning
Junyu Liu, Changchun Zhong, Matthew Otten +5
Quantum machine learning is a rapidly evolving field of research that could facilitate important applications for quantum computing and also significantly impact data-driven scienc…
Information transmission with continuous variable quantum erasure channels
Changchun Zhong, Changhun Oh, Liang Jiang
Quantum capacity, as the key figure of merit for a given quantum channel, upper bounds the channel's ability in transmitting quantum information. Identifying different type of chan…
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…
Entanglement trimming in stabilizer formalism
Changchun Zhong, Yat Wong, Liang Jiang
Suppose in a quantum network, there are qubits hold by Alice, Bob and Charlie, denoted by systems , and , respectively. We require the qubits to be described by a sta…
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…
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…
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…
Quantum calculation of feedback cooling a laser levitated nanoparticle in the shot-noise-dominant regime
Changchun Zhong, Tongcang Li, F. Robicheaux
In this paper, results of quantum calculations are presented for feedback cooling of an optically trapped nanoparticle in the laser-shot-noise-dominant regime. We numerically inves…
Shot noise dominant regime for ellipsoidal nanoparticles in a linearly polarized beam
Changchun Zhong, F. Robicheaux
Results on the heating and the parametric feedback cooling of an optically trapped anisotropic nanoparticle in the laser shot noise dominant regime are presented. The related dynam…
Decoherence of rotational degrees of freedom
Changchun Zhong, F. Robicheaux
The mechanism of decoherence for a quantum system with rotational degrees of freedom is studied. From a simple model of elastic scattering, we show that the non-diagonal density ma…
Particle collisions near the cosmological horizon of a Reissner-Nordström de Sitter black hole
Changchun Zhong, Sijie Gao
It has recently been shown that black holes can act as particle accelerators and two particles can collide with arbitrarily high center-of-mass (CM) energy under certain critical c…