Masato Koashi

According to our database, Masato Koashi authored at least 9 papers between 1999 and 2023.

Collaborative distances:

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

2023

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

Takaya Matsuura, Shinichiro Yamano, Yui Kuramochi, Toshihiko Sasaki, Masato Koashi

Quantum, August, 2023

Black holes as clouded mirrors: the Hayden-Preskill protocol with symmetry.

Yoshifumi Nakata, Eyuri Wakakuwa, Masato Koashi

Quantum, February, 2023

2020

Fast Quantum Algorithm for Learning with Optimized Random Features.

Hayata Yamasaki, Sathyawageeswar Subramanian, Sho Sonoda, Masato Koashi

CoRR, 2020

Learning with Optimized Random Features: Exponential Speedup by Quantum Machine Learning without Sparsity and Low-Rank Assumptions.

Hayata Yamasaki, Sathyawageeswar Subramanian, Sho Sonoda, Masato Koashi

Proceedings of the Advances in Neural Information Processing Systems 33: Annual Conference on Neural Information Processing Systems 2020, 2020

2009

Local Transformation of Two EPR Photon Pairs into a Three-Photon W State Using a Polarization Dependent Beamsplitter.

Toshiyuki Tashima, Tetsurho Wakatsuki, Sahin Kaya Özdemir, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto

Proceedings of the Quantum Communication and Quantum Networking, 2009

Security of Key Distribution and Complementarity in Quantum Mechanics.

Masato Koashi

Proceedings of the Information Theoretic Security, 4th International Conference, 2009

2008

An Elementary Optical Gate for Expanding Symmetrically Shared Entanglement.

Toshiyuki Tashima, Sahin Kaya Özdemir, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto

Proceedings of the Theory of Quantum Computation, 2008

2003

Entanglement cost of generalised measurements.

Richard Jozsa, Masato Koashi, Noah Linden, Sandu Popescu, Stuart Presnell, Dan J. Shepherd, Andreas J. Winter

Quantum Inf. Comput., 2003

1999

Quantum cryptography-from single-photon transmission, key extraction methods to novel quantum information protocols.

Anders Karlsson, Mohamed Bourenanne, Daniel Ljunggren, Per Jonsson, Alexandru Hening, Juan Pena Ciscar, Masato Koashi, Nobuyuki Imoto

Proceedings of the 1999 Congress on Evolutionary Computation, 1999