370 citations · 896 across the 14 of their papers we have counts for
14 papers
Phase-controlled improvement of photon lifetime in coupled superconducting cavities
Changqing Wang, Oleksandr S Melnychuk, Crispin Contreras-Martinez +9
High-quality cavities are crucial for various fundamental physical studies and applications. Here we find that by coupling two cavities directly or via a phase-tunable coupling cha…
Millikelvin measurements of permittivity and loss tangent of lithium niobate
Silvia Zorzetti, Changqing Wang, Ivan Gonin +5
Lithium Niobate is an electro-optic material with many applications in microwave signal processing, communication, quantum sensing, and quantum computing. In this letter, we presen…
Imperfect chirality at exceptional points in optical whispering-gallery microcavities
Junda Zhu, Changqing Wang, Can Tao +6
Non-Hermitian systems have attracted considerable attention for their broad impacts on various physical platforms and peculiar applications. In non-Hermitian systems, both eigenval…
High-efficiency microwave-optical quantum transduction based on a cavity electro-optic superconducting system with long coherence time
Changqing Wang, Ivan Gonin, Anna Grassellino +4
Frequency conversion between microwave and optical photons is a key enabling technology to create links between superconducting quantum processors and to realize distributed quantu…
High-fidelity quantum transduction with long coherence time superconducting resonators
Changqing Wang, Silvia Zorzetti
We propose a novel quantum transduction hybrid system based on the coupling of long-coherence time superconducting cavities with electro-optic resonators to achieve high-efficiency…
Demonstration of fully integrated parity-time-symmetric electronics
Weidong Cao, Changqing Wang, Weijian Chen +4
Harnessing parity-time (PT) symmetry with balanced gain and loss profiles has created a variety of opportunities in electronics from wireless energy transfer to telemetry sensing a…
Quantum computing hardware for HEP algorithms and sensing
M. Sohaib Alam, Sergey Belomestnykh, Nicholas Bornman +37
Quantum information science harnesses the principles of quantum mechanics to realize computational algorithms with complexities vastly intractable by current computer platforms. Ty…
Searches for New Particles, Dark Matter, and Gravitational Waves with SRF Cavities
Asher Berlin, Sergey Belomestnykh, Diego Blas +33
This is a Snowmass white paper on the utility of existing and future superconducting cavities to probe fundamental physics. Superconducting radio frequency (SRF) cavity technology…
Non-Hermitian physics and engineering in silicon photonics
Changqing Wang, Zhoutian Fu, Lan Yang
Silicon photonics has been studied as an integratable optical platform where numerous applicable devices and systems are created based on modern physics and state-of-the-art nanote…
Induced transparency: interference or polarization?
Changqing Wang, Xuefeng Jiang, William R. Sweeney +8
The polarization of optical fields is a crucial degree of freedom in the all-optical analogue of electromagnetically induced transparency (EIT). However, the physical origins of EI…
Observation of coherent perfect absorption at an exceptional point
Changqing Wang, William R. Sweeney, A. Douglas Stone +1
The past few years have witnessed growing interests in exceptional points (EPs) in various domains, including photonics, acoustics and electronics. However, EPs have mainly been re…
Electromagnetically induced transparency at a chiral exceptional point
Changqing Wang, Xuefeng Jiang, Guangming Zhao +6
Electromagnetically induced transparency, as a quantum interference effect to eliminate optical absorption in an opaque medium, has found extensive applications in slow light gener…
Optomechanically Induced Transparency at Exceptional Points
Hao Lü, Changqing Wang, Lan Yang +1
We study optomechanically induced transparency in a microresonator coupled with nanoparticles. By tuning the relative angle of the nanoparticles, exceptional points (EPs) emerge pe…
Engineering entangled microwave photon states via multiphoton interactions between two cavity fields and a superconducting qubit
Yan-Jun Zhao, Chang-Qing Wang, Xiaobo Zhu +1
It has been shown that there are not only transverse but also longitudinal couplings between microwave fields and a superconducting qubit with broken inversion symmetry of the pote…