activity
20242026
most citedPractical quantum advantage on partially fault-tolerant quantum computer

2 citations · 2 across the 4 of their papers we have counts for

collaborators
Showing quant-phShow all

6 papers · 1 filter

quant-ph2026

STAR-Magic Mutation: Even More Efficient Analog Rotation Gates for Early Fault-Tolerant Quantum Computer

Riki Toshio, Shota Kanasugi, Jun Fujisaki +3

We introduce STAR-magic mutation, an efficient protocol for implementing logical rotation gates on early fault-tolerant quantum computers. This protocol judiciously combines two of…

quant-ph2026

Partially Fault-Tolerant Quantum Computation for Megaquop Applications

Ming-Zhi Chung, Ali H. Z. Kavaki, Artur Scherer +14

Partially fault-tolerant quantum computing (FTQC) has recently emerged as a promising approach for the execution of megaquop-scale circuits with millions of logical operations. In…

quant-ph2026

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…

quant-ph2025

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…

quant-ph2025

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…

quant-ph20242 cited

Practical quantum advantage on partially fault-tolerant quantum computer

Riki Toshio, Yutaro Akahoshi, Jun Fujisaki +3

Achieving quantum speedups in practical tasks remains challenging for current noisy intermediate-scale quantum (NISQ) devices. These devices always encounter significant obstacles…