A scaled local gate controller for optically addressed qubits

Abstract

Scalable classical controllers are a key component of future fault-tolerant quantum computers. Neutral atom quantum computers leverage commercially available optoelectronic devices for generating large-scale tweezer arrays and performing parallel readout, but implementing massively parallel, locally-addressed gate operations is an open challenge. In this work, we demonstrate an optical modulator system based on off-the-shelf components, which can generate a two-dimensional array of over 10,000 focused spots with uniform frequency and amplitude, and switching them on and off individually in arbitrary configurations at rates of up to 43 kHz. Through careful control of aberrations, the modulator achieves an extinction ratio of 46 dB, and nearest-neighbor crosstalk of $-44$ dB with a beam spacing of 4.6 waists. The underlying components can operate at wavelengths from the UV to the NIR, and sustain high laser intensities. This approach is suitable for local addressing of gates with low cross-talk error rates in any optically addressed qubit platform, including neutral atoms, trapped ions, or solid-state atomic defects.

References in corpus (34)

• Many-Body Physics with Individually-Controlled Rydberg Atoms
• Quantum Phases of Matter on a 256-Atom Programmable Quantum Simulator
• An atom-by-atom assembler of defect-free arbitrary 2d atomic arrays
• Probing Topological Spin Liquids on a Programmable Quantum Simulator
• Demonstration of a small programmable quantum computer with atomic qubits
• Demonstration of multi-qubit entanglement and algorithms on a programmable neutral atom quantum computer
• High-fidelity control and entanglement of Rydberg atom qubits
• Controlling many-body dynamics with driven quantum scars in Rydberg atom arrays
• A compact ion-trap quantum computing demonstrator
• Single-atom trapping in holographic 2D arrays of microtraps with arbitrary geometries
• In situ single-atom array synthesis by dynamic holographic optical tweezers
• High-fidelity gates with mid-circuit erasure conversion in a metastable neutral atom qubit
• Arbitrarily accurate composite pulses
• Ultra-precise holographic beam shaping for microscopic quantum control
• Universal gate operations on nuclear spin qubits in an optical tweezer array of ${}^{171}$Yb atoms
• An atomic array optical clock with single-atom readout
• Local optical control of the resonant dipole-dipole interaction between Rydberg atoms
• Single-Atom Addressing in Microtraps for Quantum-State Engineering using Rydberg Atoms
• Large-Scale Uniform Optical Focus Array Generation with a Phase Spatial Light Modulator
• High-fidelity Two-qubit Gates Using a MEMS-based Beam Steering System for Individual Qubit Addressing
• Nanoscale covariance magnetometry with diamond quantum sensors
• Independent individual addressing of multiple neutral atom qubits with a MEMS beam steering system
• Controlling Rydberg excitations using ion core transitions in alkaline earth atom tweezer arrays
• Optimizing Rydberg Gates for Logical Qubit Performance
• In-situ equalization of single-atom loading in large-scale optical tweezers arrays
• Repetitive readout and real-time control of nuclear spin qubits in ${}^{171}$Yb atoms
• A simple, passive design for large optical trap arrays for single atoms
• Controlling long ion strings for quantum simulation and precision measurements
• Protocols for Rydberg entangling gates featuring robustness against quasi-static errors
• Mid-circuit operations using the omg-architecture in neutral atom arrays
• Multi-scale architecture for fast optical addressing and control of large scale qubit arrays
• Scalable photonic integrated circuits for programmable control of atomic systems
• A guided light system for agile individual addressing of Ba${}^{+}$ qubits with $10^{-4}$ level intensity crosstalk
• Low-crosstalk optical addressing system for atomic qubits based on multiple objectives and acousto-optic deflectors

Cited by in corpus (17)

• A tweezer array with 6100 highly coherent atomic qubits
• Continuous operation of large-scale atom arrays in optical lattices
• A universal neutral-atom quantum computer with individual optical addressing and non-destructive readout
• Ultra-precise holographic optical tweezers array
• Architecture for fast implementation of qLDPC codes with optimized Rydberg gates
• Circuit-based leakage-to-erasure conversion in a neutral atom quantum processor
• Fast measurements and multiqubit gates in dual species atomic arrays
• A fiber array architecture for atom quantum computing
• Volcano Architecture for Scalable Quantum Processor Units
• Dynamical spatial light modulation in the ultraviolet spectral range
• Mode multiplexing for scalable cavity-enhanced operations in neutral-atom arrays
• Astigmatism-free 3D Optical Tweezer Control for Rapid Atom Rearrangement
• Autonomously Designed Pulses for Precise, Site-Selective Control of Atomic Qubits
• High-efficiency loading of 2,400 Ytterbium atoms in optical tweezer arrays
• Practical Quantum Reservoir Computing in Rydberg Atom Arrays
• Robust and Parallel Control of Many Qubits
• Low-Crosstalk, Silicon-Fabricated Optical Waveguides for Laser Delivery to Matter Qubits