An integrated photonic engine for programmable atomic control

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 the application of arbitrary gate and control sequences on arrays of atoms or atom-like systems. At telecom...

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Bibliographic Details
Published in:arXiv.org 2024-10
Main Authors: Christen, Ian, Sutula, Madison, Propson, Thomas, Sattari, Hamed, Choong, Gregory, Panuski, Christopher, Melville, Alexander, Mallek, Justin, Hamilton, Scott, Dixon, P Benjamin, Menssen, Adrian J, Braje, Danielle, Ghadimi, Amir H, Englund, Dirk
Format: Article
Language:English
Subjects:
Computer architecture
Control theory
Diamonds
Emitters
Free space optics
Light modulators
Lithium niobates
Miniaturization
Optical components
Optical control
Optics
Photonics
Quantum computing
Quantum dots
Quantum optics
Reconfiguration
Spectral emittance
Telecommunications
Thin films
Wavelengths
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Summary: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 the application of 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, these material platforms for high-speed telecom integrated photonics are not transparent at the short wavelengths required by leading atomic systems. Here, we propose and implement a scalable and reconfigurable photonic architecture for multi-channel quantum control using integrated, visible-light modulators based on thin-film lithium niobate. Our approach combines techniques in free-space optics, holography, and control theory together with a sixteen-channel integrated photonic device to stabilize temporal and cross-channel power deviations and enable precise and uniform control. Applying this device to a homogeneous constellation of silicon-vacancy artificial atoms in diamond, we present techniques to spatially and spectrally address a dynamically-selectable set of these stochastically-positioned point emitters. We anticipate that this scalable and reconfigurable optical architecture will lead to systems that could enable parallel individual programmability of large many-body atomic systems, which is a critical step towards universal quantum computation on such hardware.
ISSN:2331-8422