421 citations · 1.6k across the 22 of their papers we have counts for
24 papers
Superconducting levitation and control of a high-reflectivity micromirror
Philipp Koller, Jannek J. Hansen, David Walcher +9
We introduce a method to suspend an optical micromirror, with a total mass of \SI{30}{\micro\gram}, using superconducting magnetic levitation. The micromirror is formed on a silico…
Optical Interferometric Readout of a Magnetically Levitated Superconducting Microsphere
J. J. Hansen, S. Minniberger, D. Ilk +8
We probe the motion of a 6 magnetically levitated superconducting microsphere using optical interferometry at 3 K, achieving a resolution better than 1 , and us…
Quantum secret sharing in a triangular superconducting quantum network
Haoxiong Yan, Allen Zang, Joel Grebel +11
We present a three-node quantum communication testbed with a triangular topology, each side of the triangle formed by a 1.3-meter-long transmission line. We demonstrate state trans…
Deterministic multi-phonon entanglement between two mechanical resonators on separate substrates
Ming-Han Chou, Hong Qiao, Haoxiong Yan +8
Mechanical systems have emerged as a compelling platform for applications in quantum information, leveraging recent advances in the control of phonons, the quanta of mechanical vib…
Modular quantum processor with an all-to-all reconfigurable router
Xuntao Wu, Haoxiong Yan, Gustav Andersson +10
Superconducting qubits provide a promising approach to large-scale fault-tolerant quantum computing. However, qubit connectivity on a planar surface is typically restricted to only…
Bidirectional multi-photon communication between remote superconducting nodes
Joel Grebel, Haoxiong Yan, Ming-Han Chou +8
Quantum communication testbeds provide a useful resource for experimentally investigating a variety of communication protocols. Here we demonstrate a superconducting circuit testbe…
Two-dimensional optomechanical crystal resonator in gallium arsenide
Rhys G. Povey, Ming-Han Chou, Gustav Andersson +8
In the field of quantum computation and communication there is a compelling need for quantum-coherent frequency conversion between microwave electronics and infra-red optics. A pro…
Broadband Bandpass Purcell Filter for Circuit Quantum Electrodynamics
Haoxiong Yan, Xuntao Wu, Andrew Lingenfelter +10
In circuit quantum electrodynamics (QED), qubits are typically measured using dispersively-coupled readout resonators. Coupling between each readout resonator and its electrical en…
Developing a platform for linear mechanical quantum computing
Hong Qiao, Etienne Dumur, Gustav Andersson +9
Linear optical quantum computing provides a desirable approach to quantum computing, with a short list of required elements. The similarity between photons and phonons points to th…
Entanglement purification and protection in a superconducting quantum network
Haoxiong Yan, Youpeng Zhong, Hung-Shen Chang +7
High-fidelity quantum entanglement is a key resource for quantum communication and distributed quantum computing, enabling quantum state teleportation, dense coding, and quantum en…
Quantum communication with itinerant surface acoustic wave phonons
É. Dumur, K. J. Satzinger, G. A. Peairs +8
Surface acoustic waves are commonly used in classical electronics applications, and their use in quantum systems is beginning to be explored, as evidenced by recent experiments usi…
Measurements of a quantum bulk acoustic resonator using a superconducting qubit
M. -H. Chou, É. Dumur, Y. P. Zhong +8
Phonon modes at microwave frequencies can be cooled to their quantum ground state using conventional cryogenic refrigeration, providing a convenient way to study and manipulate qua…
Deterministic multi-qubit entanglement in a quantum network
Youpeng Zhong, Hung-Shen Chang, Audrey Bienfait +8
Quantum entanglement is a key resource for quantum computation and quantum communication \cite{Nielsen2010}. Scaling to large quantum communication or computation networks further…
A fast and large bandwidth superconducting variable coupler
Hung-Shen Chang, Kevin J. Satzinger, Youpeng Zhong +8
Variable microwave-frequency couplers are highly useful components in classical communication systems, and likely will play an important role in quantum communication applications.…
Remote entanglement via adiabatic passage using a tunably-dissipative quantum communication system
Hung-Shen Chang, Youpeng Zhong, Audrey Bienfait +8
Effective quantum communication between remote quantum nodes requires high fidelity quantum state transfer and remote entanglement generation. Recent experiments have demonstrated…
Quantum erasure using entangled surface acoustic phonons
Audrey Bienfait, Youpeng Zhong, Hung-Shen Chang +8
Using the deterministic, on-demand generation of two entangled phonons, we demonstrate a quantum eraser protocol in a phononic interferometer where the which-path information can b…
Unidirectional Distributed Acoustic Reflection Transducers for Quantum Applications
É. Dumur, K. J. Satzinger, G. A. Peairs +8
Recent significant advances in coupling superconducting qubits to acoustic wave resonators has led to demonstrations of quantum control of surface and bulk acoustic resonant modes…
Phonon-mediated quantum state transfer and remote qubit entanglement
A. Bienfait, K. J. Satzinger, Y. P. Zhong +8
Phonons, and in particular surface acoustic wave phonons, have been proposed as a means to coherently couple distant solid-state quantum systems. Recent experiments have shown that…
Violating Bell's inequality with remotely-connected superconducting qubits
Y. P. Zhong, H. -S. Chang, K. J. Satzinger +9
Quantum communication relies on the efficient generation of entanglement between remote quantum nodes, due to entanglement's key role in achieving and verifying secure communicatio…
Quantum control of surface acoustic wave phonons
K. J. Satzinger, Y. P. Zhong, H. -S. Chang +14
The superposition of quantum states is one of the hallmarks of quantum physics, and clear demonstrations of superposition have been achieved in a number of quantum systems. However…
Cryogenic resonant microwave cavity searches for hidden sector photons
Stephen R. Parker, John G. Hartnett, Rhys G. Povey +1
The hidden sector photon is a weakly interacting hypothetical particle with sub-eV mass that kinetically mixes with the photon. We describe a microwave frequency light shining thro…
Microwave cavity hidden sector photon threshold crossing
Rhys G. Povey, John G. Hartnett, Michael E. Tobar
Hidden sector photons are a weakly interacting slim particle arising from an additional U(1) gauge symmetry predicted by many standard model extensions. We present and demonstrate…
Resonant Regeneration in the Sub-Quantum Regime -- A demonstration of fractional quantum interference
John G. Hartnett, Joerg Jaeckel, Rhys G. Povey +1
Light shining through wall experiments (in the optical as well as in the microwave regime) are a powerful tool to search for light particles coupled very weakly to photons such as…
Microwave cavity light shining through a wall optimization and experiment
Rhys G. Povey, John G. Hartnett, Michael E. Tobar
It has been proposed that microwave cavities can be used in a photon regeneration experiment to search for hidden sector photons. Using two isolated cavities, the presence of hidde…