activity
20092023
most citedOrigin of optical second-harmonic generation in spherical gold nanoparticles: Local surface and nonlocal bulk contributions

222 citations · 415 across the 15 of their papers we have counts for

collaborators

15 papers

quant-ph2023

Asymmetric quantum decision-making

Honoka Shiratori, Hiroaki Shinkawa, André Röhm +7

Collective decision-making is crucial to information and communication systems. Decision conflicts among agents hinder the maximization of potential utilities of the entire system.…

cs.AI2022

Bandit approach to conflict-free multi-agent Q-learning in view of photonic implementation

Hiroaki Shinkawa, Nicolas Chauvet, André Röhm +4

Recently, extensive studies on photonic reinforcement learning to accelerate the process of calculation by exploiting the physical nature of light have been conducted. Previous stu…

quant-ph2022★ 7 cited

Conflict-free joint sampling for preference satisfaction through quantum interference

Hiroaki Shinkawa, Nicolas Chauvet, André Röhm +4

Collective decision-making is vital for recent information and communications technologies. In our previous research, we mathematically derived conflict-free joint decision-making…

econ.TH2022★ 2 cited

Optimal preference satisfaction for conflict-free joint decisions

Hiroaki Shinkawa, Nicolas Chauvet, Guillaume Bachelier +3

We all have preferences when multiple choices are available. If we insist on satisfying our preferences only, we may suffer a loss due to conflicts with other people's identical se…

quant-ph2021

Conflict-free collective stochastic decision making by orbital angular momentum of photons through quantum interference

Takashi Amakasu, Nicolas Chauvet, Guillaume Bachelier +3

In recent cross-disciplinary studies involving both optics and computing, single-photon-based decision-making has been demonstrated by utilizing the wave-particle duality of light…

quant-ph2020

Entangled and correlated photon mixed strategy for social decision making

Shion Maeda, Nicolas Chauvet, Hayato Saigo +4

Collective decision making is important for maximizing total benefits while preserving equality among individuals in the competitive multi-armed bandit (CMAB) problem, wherein mult…