ArticleLight, science & applications2024
Low cross-talk optical addressing of trapped-ion qubits using a novel integrated photonic chip.
Article in Light, science & applications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Scalable entangling gates on ion qubits via structured light addressing.Science advances · 2026Article
- Argon Ion Treatment of Multi-Material Layered Surface-Electrode Traps for Noise Mitigation.Entropy (Basel, Switzerland) · 2025Article
- A fiber array architecture for atom quantum computing.Nature communications · 2025Article
- First-Principles Design of Qubits in Charged Carbon Nanomaterials.Materials (Basel, Switzerland) · 2025Article
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Authors and funding
13 authors.
Funding
Abstract
Individual optical addressing in chains of trapped atomic ions requires the generation of many small, closely spaced beams with low cross-talk. Furthermore, implementing parallel operations necessitates phase, frequency, and amplitude control of each individual beam. Here, we present a scalable method for achieving all of these capabilities using a high-performance integrated photonic chip coupled to a network of optical fibre components. The chip design results in very low cross-talk between neighbouring channels even at the micrometre-scale spacing by implementing a very high refractive index contrast between the channel core and cladding. Furthermore, the photonic chip manufacturing procedure is highly flexible, allowing for the creation of devices with an arbitrary number of channels as well as non-uniform channel spacing at the chip output. We present the system used to integrate the chip within our ion trap apparatus and characterise the performance of the full individual addressing setup using a single trapped ion as a light-field sensor. Our measurements showed intensity cross-talk below ~10
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Registered trials
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