4 papers
Even More Efficient Soft-Output Decoding with Extra-Cluster Growth and Early Stopping
Kaito Kishi, Riki Toshio, Jun Fujisaki +3
In fault-tolerant quantum computing, soft outputs from real-time decoders play a crucial role in improving decoding accuracy, post-selecting magic states, and accelerating lattice…
Decoder Switching: Breaking the Speed-Accuracy Tradeoff in Real-Time Quantum Error Correction
Riki Toshio, Kaito Kishi, Jun Fujisaki +3
The realization of fault-tolerant quantum computers hinges on the construction of high-speed, high-accuracy, real-time decoding systems. The persistent challenge lies in the fundam…
Runtime reduction in lattice surgery utilizing time-like soft information
Yutaro Akahoshi, Riki Toshio, Jun Fujisaki +3
Runtime optimization of the quantum computing within a given computational resource is important to achieve practical quantum advantage. In this paper, we propose a runtime reducti…
Comparative study of decoding the surface code using simulated annealing under depolarizing noise
Yusaku Takeuchi, Yugo Takada, Tatsuya Sakashita +4
We explored decoding methods for the surface code under depolarizing noise by mapping the problem into the Ising model optimization. We consider two kinds of mapping with and witho…