Showing 2022 · quant-phShow all

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quant-ph2022★ 53 cited

Quantum Coherent Control of a Single Molecular-Polariton Rotation

Li-Bao Fan, Chuan-Cun Shu, Daoyi Dong +3

We present a combined analytical and numerical study for coherent terahertz control of a single molecular polariton, formed by strongly coupling two rotational states of a molecule…

quant-ph2022★ 21 cited

In-situ amplification of spin echoes within a kinetic inductance parametric amplifier

Wyatt Vine, Mykhailo Savytskyi, Daniel Parker +6

The use of superconducting micro-resonators in combination with quantum-limited Josephson parametric amplifiers has in recent years lead to more than four orders of magnitude impro…

quant-ph2022★ 2 cited

Photoionization detection of a single Er ion with sub-100-ns time resolution

Yangbo Zhang, Wenda Fan, Jiliang Yang +11

Efficient detection of single optical centers in solids is essential for quantum information processing, sensing, and single-photon generation applications. In this work, we use ra…

quant-ph2022★ 15 cited

Quantum Routing for Emerging Quantum Networks

Wenbo Shi, Robert Malaney

Quantum routing, the entanglement of an input quantum signal over multiple output paths, will be an important aspect of future quantum networks. Implementation of such routing in e…

quant-ph2022★ 44 cited

Nonlinear feedforward enabling quantum computation

Atsushi Sakaguchi, Shunya Konno, Fumiya Hanamura +9

Measurement-based quantum computation with optical time-domain multiplexing is a promising method to realize a quantum computer from the viewpoint of scalability. Fault tolerance a…

quant-ph2022

A Three-Mode Erasure Code for Continuous Variable Quantum Communications

Eduardo Villasenor, Robert Malaney

Quantum states of light being transmitted via realistic free-space channels often suffer erasure errors due to several factors such as coupling inefficiencies between transmitter a…

quant-ph2022★ 15 cited

Filtering crosstalk from bath non-Markovianity via spacetime classical shadows

Gregory A. L. White, Kavan Modi, Charles D. Hill

From an open system perspective non-Markovian effects due to a nearby bath or neighbouring qubits are dynamically equivalent. However, there is a conceptual distinction to account…

quant-ph2022★ 13 cited

On the sampling complexity of open quantum systems

Isobel A. Aloisio, Gregory A. L. White, Charles D. Hill +1

Open quantum systems are ubiquitous in the physical sciences, with widespread applications in the areas of chemistry, condensed matter physics, material science, optics, and many m…

quant-ph2022★ 15 cited

High Fidelity Control of a Nitrogen-Vacancy Spin Qubit at Room Temperature using the SMART Protocol

Hyma H. Vallabhapurapu, Ingvild Hansen, Chris Adambukulam +4

A practical implementation of a quantum computer requires robust qubits that are protected against their noisy environment. Dynamical decoupling techniques have been successfully u…

quant-ph2022★ 11 cited

Teleportation of Hybrid Entangled States with Continuous-Variable Entanglement

Mingjian He, Robert Malaney

Hybrid entanglement between discrete-variable (DV) and continuous-variable (CV) quantum systems is an essential resource for heterogeneous quantum networks. Our previous work showe…

quant-ph2022★ 7 cited

Multi-Axis Control of a Qubit in the Presence of Unknown Non-Markovian Quantum Noise

Akram Youssry, Hendra I. Nurdin

In this paper, we consider the problem of open-loop control of a qubit that is coupled to an unknown fully quantum non-Markovian noise (either bosonic or fermionic). A graybox mode…

quant-ph2022★ 14 cited

Sub-micron spin-based magnetic field imaging with an organic light emitting diode

Rugang Geng, Adrian Mena, William J. Pappas +1

Quantum sensing and imaging of magnetic fields has attracted broad interests due to its potential for high sensitivity and spatial resolution. Common systems used for quantum sensi…

quant-ph2022★ 11 cited

Limits to Quantum Gate Fidelity from Near-Field Thermal and Vacuum Fluctuations

Wenbo Sun, Sathwik Bharadwaj, Li-Ping Yang +5

High-fidelity quantum gate operations are essential for achieving scalable quantum circuits. In spin qubit quantum computing systems, metallic gates and antennas which are necessar…

quant-ph2022★ 21 cited

Automated Quantum Circuit Design with Nested Monte Carlo Tree Search

Pei-Yong Wang, Muhammad Usman, Udaya Parampalli +2

Quantum algorithms based on variational approaches are one of the most promising methods to construct quantum solutions and have found a myriad of applications in the last few year…

quant-ph2022★ 11 cited

Robust optimization for quantum reinforcement learning control using partial observations

Chen Jiang, Yu Pan, Zheng-Guang Wu +2

The current quantum reinforcement learning control models often assume that the quantum states are known a priori for control optimization. However, full observation of quantum sta…

quant-ph2022★ 28 cited

Parameter estimation and system identification for continuously-observed quantum systems

Hendra I. Nurdin, Madalin Guţǎ

This paper gives an overview of parameter estimation and system identification for quantum input-output systems by continuous observation of the output field. We present recent res…

quant-ph2022★ 15 cited

The Zeeman and hyperfine interactions of a single ion in Si

Jiliang Yang, Wenda Fan, Yangbo Zhang +10

Er-doped Si is a promising candidate for quantum information applications due to its telecom wavelength optical transition and its compatibility with Si nanofabrication technologie…

quant-ph2022★ 16 cited

Single-shot readout of multiple donor electron spins with a gate-based sensor

Mark R. Hogg, Prasanna Pakkiam, Samuel K. Gorman +5

Proposals for large-scale semiconductor spin-based quantum computers require high-fidelity single-shot qubit readout to perform error correction and read out qubit registers at the…

quant-ph2022★ 6 cited

Indirect Control of the Nuclear Spin in Diamond

Hyma H. Vallabhapurapu, Chris Adambukulam, Andre Saraiva +1

Coherent control and optical readout of the electron spin of the SiV center in diamond has been demonstrated in literature, with exciting prospects for implementations…

quant-ph2022★ 8 cited

On the Teleportation of Discrete Variable Qubits Via Continuous Variable Lossy Channels

Mingjian He, Robert Malaney, Ryan Aguinaldo

The Continuous-Variable (CV) quantum state of light allows for the teleportation of a Discrete-Variable (DV) photonic qubit. Such an operation is useful in the realm of hybrid quan…

quant-ph2022★ 6 cited

Spectral broadening of a single Er ion in a Si nano-transistor

Jiliang Yang, Jian Wang, Wenda Fan +9

Single rare-earth ions in solids show great potential for quantum applications, including single photon emission, quantum computing, and high-precision sensing. However, homogeneou…

quant-ph2022★ 5 cited

Amplification of optical Schrödinger cat states with implementation protocol based on frequency comb

Hongbin Song, Guofeng Zhang, Xiaoqiang Wang +2

We proposed and analyzed a scheme to generate large-size Schrödinger cat states based on linear operations of Fock states and squeezed vacuum states and conditional measurements. B…