Junichiro Ichikawa

Above-bandgap voltages from ferroelectric photovoltaic devices

On-Chip Generation and Manipulation of Entangled Photons Based on Reconfigurable Lithium-Niobate Waveguide Circuits

40 Gb/s W-band (75–110 GHz) 16-QAM radio-over-fiber signal generation and its wireless transmission

Computer-Inspired Concept for High-Dimensional Multipartite Quantum Gates

Quantum Experiments and Graphs: Multiparty States as Coherent Superpositions of Perfect Matchings

Ultrafast dense DNA functionalization of quantum dots and rods for scalable 2D array fabrication with nanoscale precision

Quantum indistinguishability by path identity and with undetected photons

Wireless sub-THz communication system with high data rate

Atomic force and scanning electron microscopic observations of surface and domain structures of BaTiO3 films and bulk crystals

Terabit-Scale Orbital Angular Momentum Mode Division Multiplexing in Fibers

Quantum experiments and graphs II: Quantum interference, computation, and state generation

19-core fiber transmission of 19×100×172-Gb/s SDM-WDM-PDM-QPSK signals at 305Tb/s

Ferroelectric thin films: Review of materials, properties, and applications

Space-division multiplexing in optical fibres

Optical fatigue of undoped lithium niobate crystals caused by irreversible photorefractive damage at high-intensity illumination

Semiconductor Quantum Dots for Integrated Quantum Photonics

Space Division Multiplexed Transmission of 109-Tb/s Data Signals Using Homogeneous Seven-Core Fiber

High-speed optical DQPSK and FSK modulation using integrated Mach-Zehnder interferometers

Applied-voltage induced fatigue of lithium niobate waveguide

Synthesis of 16 Quadrature Amplitude Modulation Using Polarization-Multiplexing QPSK Modulator

120-Gb/s NRZ-DQPSK signal generation by a thin-lithium-niobate-substrate modulator

Reduced thermal decomposition of OH-free LiNbO₃ substrates even in a dry gas atmosphere