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Paper 1

A Genus-two Surface Code

Komal Kumari, Garima Rajpoot, Sudhir Ranjan Jain

Year

2022

Journal

arXiv preprint

DOI

arXiv:2211.12695

arXiv

2211.12695

We construct a double-toric surface code by exploiting the planar tessellation using a rhombus-shaped tile. With n data qubits, we are able to encode at least n/3 logical qubits or quantum memories. By a suitable arrangement of the tiles, the code achieves larger distances, leading to significant error-correcting capability. We demonstrate the robustness of the logical qubits thus obtained in the presence of external noise. We believe that the optimality of the code presented here will pave the way for design of efficient scalable architectures.

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Paper 2

Active multiplexing for scalable generation and manipulation of photonic quantum states.

Kaneda F, Yabuno M.

Year

2026

Journal

Nano Converg

DOI

10.1186/s40580-026-00540-6

arXiv

-

No abstract.

Open paper