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20222025
most citedRefined finite-size analysis of binary-modulation continuous-variable quantum key distribution

9 citations · 19 across the 6 of their papers we have counts for

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6 papers

quant-ph2025

Asymptotically tight security analysis of quantum key distribution based on universal source compression

Takaya Matsuura, Shinichiro Yamano, Yui Kuramochi +2

Practical quantum key distribution (QKD) protocols require a finite-size security proof. The phase error correction (PEC) approach is one of the general strategies for security ana…

quant-ph2024★ 5 cited

Trade-off between Gradient Measurement Efficiency and Expressivity in Deep Quantum Neural Networks

Koki Chinzei, Shinichiro Yamano, Quoc Hoan Tran +2

Quantum neural networks (QNNs) require an efficient training algorithm to achieve practical quantum advantages. A promising approach is gradient-based optimization, where gradients…

quant-ph2024★ 2 cited

Tight concentration inequalities for quantum adversarial setups exploiting permutation symmetry

Takaya Matsuura, Shinichiro Yamano, Yui Kuramochi +2

We developed new concentration inequalities for a quantum state on an -qudit system or measurement outcomes on it that apply to an adversarial setup, where an adversary prepares…

quant-ph2023★ 1 cited

General treatment of Gaussian trusted noise in continuous variable quantum key distribution

Shinichiro Yamano, Takaya Matsuura, Yui Kuramochi +2

Continuous Variable (CV) quantum key distribution (QKD) is a promising candidate for practical implementations due to its compatibility with the existing communication technology.…

quant-ph2023★ 9 cited

Refined finite-size analysis of binary-modulation continuous-variable quantum key distribution

Takaya Matsuura, Shinichiro Yamano, Yui Kuramochi +2

Recent studies showed the finite-size security of binary-modulation CV-QKD protocols against general attacks. However, they gave poor key-rate scaling against transmission distance…

quant-ph2022★ 2 cited

Finite-size security proof of binary-modulation continuous-variable quantum key distribution using only heterodyne measurement

Shinichiro Yamano, Takaya Matsuura, Yui Kuramochi +2

Continuous-variable quantum key distribution (CV-QKD) has many practical advantages including compatibility with current optical communication technology. Implementation using hete…