User profiles for Aruto Hosaka

Aruto Hosaka

Mitsubishi Electric
Verified email at keio.jp
Cited by 138

Multimode quantum theory of nonlinear propagation in optical fibers

A Hosaka, T Kawamori, F Kannari - Physical Review A, 2016 - APS
We theoretically reveal the potential of the parallelism of squeezed state generation by
nonlinear pulse propagation in an optical fiber. Starting from a nonlinear Schrödinger equation …

Demonstration of a Ti: sapphire mode-locked laser pumped directly with a green diode laser

S Sawai, A Hosaka, H Kawauchi… - Applied Physics …, 2014 - iopscience.iop.org
We demonstrate a Ti: sapphire laser pumped directly with a green diode laser. A single 1 W
InGaN diode laser operating at 518 nm is used as the pump source. Pulse durations as short …

Preconditioning for a variational quantum linear solver

A Hosaka, K Yanagisawa, S Koshikawa, I Kudo… - arXiv preprint arXiv …, 2023 - arxiv.org
We apply preconditioning, widely used in classical solvers for linear systems $A\textbf{x}=\textbf{b}$,
to the Variational Quantum Linear Solver. By utilizing Incomplete LU factorization as …

Programmable Quantum Linear Interference with Pulse Shaping of Quantum Light

A Hosaka, M Tomita, Y Tsujimoto, S Niimura… - arXiv preprint arXiv …, 2024 - arxiv.org
In this paper, we propose a novel method for interfering frequency-multiplexed photonic
quantum states without the use of optical nonlinear effects, and experimentally demonstrate this …

Generation of photon-number squeezed states with a fiber-optic symmetric interferometer

A Hosaka, K Hirosawa, R Sawada, F Kannari - Optics express, 2015 - opg.optica.org
We numerically and experimentally demonstrate photon-number squeezed state generation
with a symmetric fiber interferometer in an 800-nm wavelength and compared with an …

Multimode Quantum Correlations in Supercontinuum Pulses

A Hosaka, S Niimura, M Tomita, A Omi… - arXiv preprint arXiv …, 2024 - arxiv.org
Suprecontinuum (SC) light contains complex spectral noise structure and its accurate
characterization is important for fundamental understanding of its physics as well as for its …

Simplification of tensor updates toward performance-complexity balanced quantum computer simulation

K Yanagisawa, A Hosaka, T Yoshida - arXiv preprint arXiv:2406.03010, 2024 - arxiv.org
Tensor network methods have evolved from solving optimization problems in quantum many-body
spin systems. While the tensor network is now regarded as a powerful tool in quantum …

Modelocked Thermal Frequency Combs for Ultrashort Chaotic Quantum Optics

…, M Fujiwara, M Sasaki, A Hosaka… - Advanced Quantum …, 2024 - Wiley Online Library
Modelocked thermal frequency combs (MTCs) are generated by employing spectrally
narrowed amplified spontaneous emission (ASE) seeded into an electro‐optic frequency comb …

[PDF][PDF] G-RIPS Mitsubishi-B Project

A Hosaka, I Kudo, T Yoshida - 2024 - mccs.tohoku.ac.jp
The quantum approximate optimization algorithm (QAOA) is a promising algorithm for solving
various optimization problems on near-term NISQ hardware. The algorithm alternates …

Independently programmable frequency-multiplexed phase-sensitive optical parametric amplification in the optical telecommunication band

A Omi, A Hosaka, M Tomita, Y Yamagishi, K Wakui… - Optics …, 2021 - opg.optica.org
We experimentally demonstrate programmable multimode phase-sensitive amplification
multiplexed in the frequency domain for flexible control of parallelly generated squeezed states. …