Individual addressing of trapped ion qubits with geometric phase gates

Individual addressing of trapped ion qubits with geometric phase gates

We propose a new scheme for individual addressing of trapped ion qubits, selecting them via their motional frequency. We show that geometric phase gates can perform single-qubit rotations using the coherent interference of spin-independent and (global) spin-dependent forces. The spin-independent for...

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Veröffentlicht in:arXiv.org 2022-06
Hauptverfasser: Sutherland, R T, Srinivas, R, Allcock, D T C
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Crosstalk
Electric fields
Physics - Quantum Physics
Qubits (quantum computing)
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description We propose a new scheme for individual addressing of trapped ion qubits, selecting them via their motional frequency. We show that geometric phase gates can perform single-qubit rotations using the coherent interference of spin-independent and (global) spin-dependent forces. The spin-independent forces, which can be generated via localised electric fields, increase the gate speed while reducing its sensitivity to motional decoherence, which we show analytically and numerically. While the scheme applies to most trapped ion experimental setups, we numerically simulate a specific laser-free implementation, showing cross-talk errors below \(10^{-6}\) for reasonable parameters.
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subjects Crosstalk
Electric fields
Physics - Quantum Physics
Qubits (quantum computing)
title Individual addressing of trapped ion qubits with geometric phase gates
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