184 citations · 620 across the 14 of their papers we have counts for
14 papers
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…
Strong dispersive coupling between a mechanical resonator and a fluxonium superconducting qubit
Nathan R. A. Lee, Yudan Guo, Agnetta Y. Cleland +10
We demonstrate strong dispersive coupling between a fluxonium superconducting qubit and a 690 megahertz mechanical oscillator, extending the reach of circuit quantum acousto-dynami…
Quantum control and noise protection of a Floquet qubit
Zhaoyou Wang, Amir H. Safavi-Naeini
Time-periodic systems allow engineering new effective Hamiltonians from limited physical interactions. For example, the inverted position of the Kapitza pendulum emerges as a stabl…
Analysis of arbitrary superconducting quantum circuits accompanied by a Python package: SQcircuit
Taha Rajabzadeh, Zhaoyou Wang, Nathan Lee +3
Superconducting quantum circuits are a promising hardware platform for realizing a fault-tolerant quantum computer. Accelerating progress in this field of research demands general…
Quantum state preparation, tomography, and entanglement of mechanical oscillators
E. Alex Wollack, Agnetta Y. Cleland, Rachel G. Gruenke +3
Precisely engineered mechanical oscillators keep time, filter signals, and sense motion, making them an indispensable part of today's technological landscape. These unique capabili…
Automated discovery of autonomous quantum error correction schemes
Zhaoyou Wang, Taha Rajabzadeh, Nathan Lee +1
We can encode a qubit in the energy levels of a quantum system. Relaxation and other dissipation processes lead to decay of the fidelity of this stored information. Is it possible…
Room-temperature Mechanical Resonator with a Single Added or Subtracted Phonon
Rishi N. Patel, Timothy P. McKenna, Zhaoyou Wang +5
A room-temperature mechanical oscillator undergoes thermal Brownian motion with an amplitude much larger than the amplitude associated with a single phonon of excitation. This moti…
Calculating Renyi Entropies with Neural Autoregressive Quantum States
Zhaoyou Wang, Emily J. Davis
Entanglement entropy is an essential metric for characterizing quantum many-body systems, but its numerical evaluation for neural network representations of quantum states has so f…
Electric fields for light: Propagation of microwave photons along a synthetic dimension
Nathan R. A. Lee, Marek Pechal, E. Alex Wollack +3
The evenly-spaced modes of an electromagnetic resonator are coupled to each other by appropriate time-modulation, leading to dynamics analogous to those of particles hopping betwee…
Resolving the energy levels of a nanomechanical oscillator
Patricio Arrangoiz-Arriola, E. Alex Wollack, Zhaoyou Wang +5
The coherent states that describe the classical motion of a mechanical oscillator do not have well-defined energy, but are rather quantum superpositions of equally-spaced energy ei…
Quantum dynamics of a few-photon parametric oscillator
Zhaoyou Wang, Marek Pechal, E. Alex Wollack +4
Modulating the frequency of a harmonic oscillator at nearly twice its natural frequency leads to amplification and self-oscillation. Above the oscillation threshold, the field sett…
Painting Non-Classical States of Spin or Motion with Shaped Single Photons
Emily J. Davis, Zhaoyou Wang, Amir H. Safavi-Naeini +1
We propose a robust scheme for generating macroscopic superposition states of spin or motion with the aid of a single photon. Shaping the wave packet of the photon enables high-fid…
A single-mode phononic wire
Rishi N. Patel, Zhaoyou Wang, Wentao Jiang +3
Photons and electrons transmit information to form complex systems and networks. Phonons on the other hand, the quanta of mechanical motion, are often considered only as carriers o…
Enhancing a slow and weak optomechanical nonlinearity with delayed quantum feedback
Zhaoyou Wang, Amir H. Safavi-Naeini
One of the central goals of quantum optics is to generate large interactions between single photons. Light interacting with motion in an optomechanical system can sense minute fluc…