Tsuyoshi Sasaki Usuda

According to our database, Tsuyoshi Sasaki Usuda authored at least 26 papers between 2010 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2022

Quantum algorithms based on the block-encoding framework for matrix functions by contour integrals.

Souichi Takahira, Asuka Ohashi, Tomohiro Sogabe, Tsuyoshi Sasaki Usuda

Quantum Inf. Comput., 2022

Error Performance of Amplitude Shift Keying-Type Asymmetric Quantum Communication Systems.

Tiancheng Wang, Tsuyoshi Sasaki Usuda

Entropy, 2022

Simplification of the Gram Matrix Eigenvalue Problem for Quadrature Amplitude Modulation Signals.

Ryusuke Miyazaki, Tiancheng Wang, Tsuyoshi Sasaki Usuda

Entropy, 2022

2020

Quantum algorithm for matrix functions by Cauchy's integral formula.

Souichi Takahira, Asuka Ohashi, Tomohiro Sogabe, Tsuyoshi Sasaki Usuda

Quantum Inf. Comput., 2020

Quantum Illumination using Quasi-Bell States.

Jun Yamauchi, Yuto Takahashi, Tiancheng Wang, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and Its Applications, 2020

Effect of Non-Gaussian Noise Due to Beam Wandering on Error Performance of Quantum Measurement.

Tiancheng Wang, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and Its Applications, 2020

Performance Evaluation of Ghost Imaging with Orthogonal/Non-orthogonal Quantum States in Terms of Image Quality.

Yuto Takahashi, Tiancheng Wang, Shogo Usami, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and Its Applications, 2020

Simplification of the Calculation of the Channel Matrix for AMPM Coherent-state Signals.

Ryusuke Miyazaki, Mana Yoshida, Tiancheng Wang, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and Its Applications, 2020

2018

Realizing a 2-D Positive Operator-Valued Measure by Local Operations and Classical Communication.

Kenji Nakahira, Tsuyoshi Sasaki Usuda

IEEE Trans. Inf. Theory, 2018

Error performance and robustness of optimum quantum detection for MPSK signals in the presence of phase noise.

Tiancheng Wang, Kenji Nakahira, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and Its Applications, 2018

Applying a symmetrization method by coding to non-symmetric mixed-state signals.

Souichi Takahira, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and Its Applications, 2018

Effect of Non-Symmetric Loss on Quantum Reading Using a Quasi-Bell State.

Keita Ishikawa, Tiancheng Wang, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and Its Applications, 2018

2017

Finding Optimal Solutions for Generalized Quantum State Discrimination Problems.

Kenji Nakahira, Tsuyoshi Sasaki Usuda, Kentaro Kato

IEEE Trans. Inf. Theory, 2017

2016

An initial guess of Newton's method for the matrix square root based on a sphere constrained optimization problem.

Sho Mizuno, Yosuke Moriizumi, Tsuyoshi Sasaki Usuda, Tomohiro Sogabe

JSIAM Lett., 2016

4PSK coherent-state signals can be narrow sense group covariant with respect to F4 by coding.

Minami Tanaka, Asuka Ohashi, Tsuyoshi Sasaki Usuda

Proceedings of the 2016 International Symposium on Information Theory and Its Applications, 2016

2014

Error performance for non-destructive quantum receiver of M-ary coherent-state signals.

Kazuki Sato, Kenji Nakahira, Shogo Usami, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and its Applications, 2014

Error performance of optimum quantum detection for BPSK signals in the presence of phase noise and its robustness.

Shinji Koyama, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and its Applications, 2014

Quantum gain of coding by polar codes with finite codeword length.

Naoki Iwata, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and its Applications, 2014

A simple approximation of minimum error probability using trace distance.

Shungo Asano, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and its Applications, 2014

2012

Minimum-Error Discrimination Between Self-Symmetric Mixed Quantum State Signals.

Kenji Nakahira, Tsuyoshi Sasaki Usuda

IEEE Trans. Inf. Theory, 2012

Superiority of 2-EPPs to 1-EPPs with finite entangled resources.

Yoshiaki Yazaki, Shogo Usami, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and its Applications, 2012

Error performance of semi-classical quantum receivers for CPPM signals in KCQ key generation.

Hiro Yamashita, Tsuyoshi Sasaki Usuda, Shogo Usami

Proceedings of the International Symposium on Information Theory and its Applications, 2012

Property of capacity by WDM for attenuated quantum channel.

Kazuha Ohashi, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and its Applications, 2012

Improvement of 2-EPP using quantum error correcting codes and binary search.

Shigeyori Nagahashi, Tsuyoshi Sasaki Usuda, Ichi Takumi

Proceedings of the International Symposium on Information Theory and its Applications, 2012

2010

On attainment of the capacity of broadband quantum channel by wavelength division multiplexing.

Yoshio Takamura, Shogo Usami, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and its Applications, 2010

Formula of channel matrix for coded quantum signals by classical linear codes over Zm.

Masaki Ota, Hideyuki Kumazawa, Keisuke Shiromoto, Tsuyoshi Sasaki Usuda

Proceedings of the International Symposium on Information Theory and its Applications, 2010