Tour de gross: A modular quantum computer based on bivariate bicycle codes Article Swipe

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Theodore J. Yoder , Eddie Schoute , Patrick Rall , Emily Pritchett , Jay Gambetta , Andrew W. Cross , Malcolm S. Carroll , Michael E. Beverland ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2506.03094

We present the bicycle architecture, a modular quantum computing framework based on high-rate, low-overhead quantum LDPC codes identified in prior work. For two specific bivariate bicycle codes with distances 12 and 18, we construct explicit fault-tolerant logical instruction sets and estimate the logical error rate of the instructions under circuit noise. We develop a compilation strategy adapted to the constraints of the bicycle architecture, enabling large-scale universal quantum circuit execution. Integrating these components, we perform end-to-end resource estimates demonstrating that an order of magnitude larger logical circuits can be implemented with a given number of physical qubits on the bicycle architecture than on surface code architectures. We anticipate further improvements through advances in code constructions, circuit designs, and compilation techniques.

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2506.03094
PDF: https://arxiv.org/pdf/2506.03094
OA Status: green
Cited By: 1
OpenAlex ID: https://openalex.org/W4415135947

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DOI: https://doi.org/10.48550/arxiv.2506.03094

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Title: Tour de gross: A modular quantum computer based on bivariate bicycle codes

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Type: preprint

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Language: en

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Publication year: 2025

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Publication date: 2025-06-03

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Authors: Theodore J. Yoder, Eddie Schoute, Patrick Rall, Emily Pritchett, Jay Gambetta, Andrew W. Cross, Malcolm S. Carroll, Michael E. Beverland

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Landing page: https://arxiv.org/abs/2506.03094

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PDF URL: https://arxiv.org/pdf/2506.03094

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Open access: Yes

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OA status: green

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OA URL: https://arxiv.org/pdf/2506.03094

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Cited by: 1

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Citations by year (recent): 2025: 1

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