The Virtual Quantum Device (VQD): A tool for detailed emulation of quantum computers

Abstract

We present the Virtual Quantum Device (VQD) platform, a system based on the QuEST quantum emulator. Through the use of VQDs, non-expert users can emulate specific quantum computers with detailed error models, bespoke gate sets and connectivities. The platform boasts an intuitive interface, powerful visualisation, and compatibility with high-performance computation for effective testing and optimisation of complex quantum algorithms or ideas across a range of quantum computing hardware. We create and explore five families of VQDs corresponding to trapped ions, nitrogen-vacancy-centres, neutral atom arrays, silicon quantum dot spins, and superconducting devices. Each is highly configurable through a set of tailored parameters. We showcase the key characteristics of each virtual device, providing practical examples of the tool's usefulness and highlighting each device's specific attributes. By offering user-friendly encapsulated descriptions of diverse quantum hardware, the VQD platform offers researchers the ability to rapidly explore algorithms and protocols in a realistic setting; meanwhile hardware experts can create their own VQDs to compare with their experiments.

22 pages, 18 figures, updates for Quantum

References in corpus (81)

• Quantum Computation with Quantum Dots
• A variational eigenvalue solver on a quantum processor
• Charge insensitive qubit design derived from the Cooper pair box
• Hardware-efficient Variational Quantum Eigensolver for Small Molecules and Quantum Magnets
• A Quantum Engineer's Guide to Superconducting Qubits
• Introduction to Quantum Noise, Measurement and Amplification
• Dipole Blockade and Quantum Information Processing in Mesoscopic Atomic Ensembles
• Superconducting Qubits: Current State of Play
• Error mitigation for short-depth quantum circuits
• Quantum computation with ions in thermal motion
• Multi-party entanglement in graph states
• An adaptive variational algorithm for exact molecular simulations on a quantum computer
• A >99.9%-fidelity quantum-dot spin qubit with coherence limited by charge noise
• An atom-by-atom assembler of defect-free arbitrary 2d atomic arrays
• Observation of collective excitation of two individual atoms in the Rydberg blockade regime
• High-fidelity quantum logic gates using trapped-ion hyperfine qubits
• High-fidelity two-qubit quantum logic gates using trapped calcium-43 ions
• High-fidelity projective readout of a solid-state spin quantum register
• A simple formula for the average gate fidelity of a quantum dynamical operation
• Quantum computing with atomic qubits and Rydberg interactions: Progress and challenges
• Efficient variational quantum simulator incorporating active error minimisation
• High-fidelity preparation, gates, memory and readout of a trapped-ion quantum bit
• Parallel implementation of high-fidelity multi-qubit gates with neutral atoms
• Efficient high-fidelity quantum computation using matter qubits and linear optics
• Quantum Error Mitigation
• Demonstration of the trapped-ion quantum-CCD computer architecture
• Synthetic three-dimensional atomic structures assembled atom by atom
• Efficient Z-Gates for Quantum Computing
• The Bravyi-Kitaev transformation for quantum computation of electronic structure
• Variational ansatz-based quantum simulation of imaginary time evolution
• High-fidelity parallel entangling gates on a neutral atom quantum computer
• Procedure for systematically tuning up crosstalk in the cross resonance gate
• A 10-qubit solid-state spin register with quantum memory up to one minute
• Universal control and error correction in multi-qubit spin registers in diamond
• Universal control of a six-qubit quantum processor in silicon
• Rydberg atom quantum technologies
• A Race Track Trapped-Ion Quantum Processor
• Observation of Entangled States of a Fully Controlled 20-Qubit System
• Quantum simulation and computing with Rydberg-interacting qubits
• One-second coherence for a single electron spin coupled to a multi-qubit nuclear-spin environment
• High-rate, high-fidelity entanglement of qubits across an elementary quantum network
• Atomic-scale imaging of a 27-nuclear-spin cluster using a single-spin quantum sensor
• QuEST and High Performance Simulation of Quantum Computers
• Randomized benchmarking of single qubit gates in a 2D array of neutral atom qubits
• Fault-tolerant operation of a logical qubit in a diamond quantum processor
• Suppression of Qubit Crosstalk in a Tunable Coupling Superconducting Circuit
• Entanglement of trapped-ion qubits separated by 230 meters
• Fast and Unconditional All-Microwave Reset of a Superconducting Qubit
• Single-qubit-gate error below 10^-4 in a trapped ion
• Feedback control of a solid-state qubit using high-fidelity projective measurement
• Initialization by measurement of a two-qubit superconducting circuit
• Demonstration of quantum advantage in machine learning
• Superconducting Qubits: A Short Review
• Universal gates based on targeted phase shifts in a 3D neutral atom array
• First-principles analysis of cross-resonance gate operation
• High-fidelity Rydberg quantum gate via a two-atom dark state
• Coherence-protected Quantum Gate by Continuous Dynamical Decoupling in Diamond
• High-fidelity Rydberg-blockade entangling gate using shaped, analytic pulses
• Fast multi-qubit gates by adiabatic evolution in interacting excited state manifolds
• Pauli Blockade in Silicon Quantum Dots with Spin-Orbit Control
• Hardware Efficient Quantum Algorithms for Vibrational Structure Calculations
• Robust Quantum Memory in a Trapped-Ion Quantum Network Node
• Parallel low-loss measurement of multiple atomic qubits
• Quantum crosstalk cancellation for fast entangling gates and improved multi-qubit performance
• Hardware-Efficient Microwave-Activated Tunable Coupling Between Superconducting Qubits
• Calibration of the cross-resonance two-qubit gate between directly-coupled transmons
• Single-step implementation of high fidelity $n$-bit Toffoli gate
• Double-sided coaxial circuit QED with out-of-plane wiring
• Noise Analysis for High-Fidelity Quantum Entangling Gates in an Anharmonic Linear Paul Trap
• Fast three-qubit Toffoli quantum gate based on the three-body Förster resonances in Rydberg atoms
• How to wire a 1000-qubit trapped ion quantum computer
• A simple, passive design for large optical trap arrays for single atoms
• High Coherence in a Tileable 3D Integrated Superconducting Circuit Architecture
• QuESTlink -- Mathematica embiggened by a hardware-optimised quantum emulator
• Randomized Benchmarking using Non-Destructive Readout in a 2D Atom Array
• Emulating two qubits with a four-level transmon qudit for variational quantum algorithms
• State preparation of a fluxonium qubit with feedback from a custom FPGA-based platform
• Universal Control of Ion Qubits in a Scalable Microfabricated Planar Trap
• Exploring ab initio machine synthesis of quantum circuits
• Digital quantum simulation of the BCS model with a central-spin-like quantum processor
• Exploiting subspace constraints and ab initio variational methods for quantum chemistry