Reshaping quantum device noise via repetition code circuits

• URL: http://arxiv.org/abs/2411.00751v2
• Date: Mon, 19 May 2025 15:22:53 GMT
• Title: Reshaping quantum device noise via repetition code circuits
• Authors: Yue Ma, Michael Hanks, Evdokia Gneusheva, M. S. Kim,
• Abstract summary: We analytically and numerically study reshaping the noise associated with native trapped-ion two-qubit entangling gates.<n>We experimentally demonstrate our findings on the IonQ Aria-1 quantum hardware.
• Score: 0.818005422059368
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Noise of a quantum processor can be an important resource for simulating open quantum dynamics. However, this requires characterizing the device noise and then transforming it into a target structure. Here we take the first step towards this goal: We analytically and numerically study reshaping the noise associated with native trapped-ion two-qubit entangling gates via quantum circuits based on repetition codes, and experimentally demonstrate our findings on the IonQ Aria-1 quantum hardware. We investigate all the building blocks, including the quantum channels describing noisy two-qubit entangling gates, the compilation of the encoding circuits into native gates, and the propagation of two-qubit errors across ideal single-qubit gates.

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