An integrated photonic engine for programmable atomic control

Ian Christen

doi:10.1038/s41467-024-55423-3

An integrated photonic engine for programmable atomic control

2025-01-02

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DOI：10.1038/s41467-024-55423-3

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Solutions for scalable, high-performance optical control are important for the development of scaled atom-based quantum technologies. Modulation of many individual optical beams is central to applying arbitrary gate and control sequences on arrays of atoms or atom-like systems. At telecom wavelengths, miniaturization of optical components via photonic integration has pushed the scale and performance of classical and quantum optics far beyond the limitations of bulk devices. However, material platforms for high-speed telecom integrated photonics lack transparency at the short wavelengths required by leading atomic systems. Here, we propose and implement a scalable and reconfigurable photonic control architecture using integrated, visible-light modulators based on thin-film lithium niobate. We combine this system with techniques in free-space optics and holography to demonstrate multi-channel, gigahertz-rate visible beamshaping. When applied to silicon-vacancy artificial atoms, our system enables the spatial and spectral addressing of a dynamically-selectable set of these stochastically-positioned point emitters.

Keywords:

LITHIUM-NIOBATE

ELECTRICAL BREAKDOWN

OPTICAL TRAP

GENERATION

ALGORITHMS

TRANSPORT

MODULATOR

COMPUTER

SHIFTERS

AIR

An integrated photonic engine for programmable atomic control

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