activity
20242026
most citedSymmetric silicon microring resonator optical crossbar array for accelerated inference and training in deep learning

19 citations · 55 across the 9 of their papers we have counts for

collaborators

9 papers

physics.optics2026

Ultralow-power, high-speed programmable Si photonic circuits with InGaAsP membrane

Tomohiro Akazawa, Rui Tang, Hanzhi Tang +6

Programmable photonic circuits have emerged as a promising platform for applications ranging from optical communications to artificial-intelligence computing and quantum informatio…

physics.app-ph2026

Substrate-Voltage-Controlled Temporal Nonlinearity in Ferroelectric FET-based Reservoir Computing

Eishin Nako, Ryosho Nakane, Mitsuru Takenaka +2

Physical reservoir computing exploits inherent nonlinearity and short-term memory of physical dynamics to achieve efficient processing of time-series data with extremely-low traini…

physics.optics2025

Low-loss SbS Optical Phase Shifter Enabled by Optimizing Sputtering Conditions

Yuto Miyatake, Tomohiro Anda, Yosuke Wakita +6

By quantitatively evaluating the atomic concentrations of sputtered SbS films with different sputtering powers and Ar flows, we reveal that a sputtered SbS film bec…

physics.optics2025

17 GHz Lossless InP-Membrane Active Metasurface

Taichiro Fukui, Kei Sumita, Hiroki Miyano +12

High-speed active metasurfaces enable spatiotemporal control of incident light within an ultra-thin layer, offering new possibilities for optical communication, computing, and sens…

physics.optics2025★ 14 cited

Ultrafast one-chip optical receiver with functional metasurface

Go Soma, Tomohiro Akazawa, Eisaku Kato +4

High-speed optical receivers are crucial in modern optical communication systems. While complex photonic integrated circuits (PICs) are widely employed to harness the full degrees…

physics.optics2025★ 4 cited

Scalable intensity-based photonic matrix-vector multiplication processor using single-wavelength time-division-multiplexed signals

Chengli Chai, Rui Tang, Makoto Okano +3

Photonic integrated circuits provide a compact platform for ultrafast and energy-efficient matrix-vector multiplications (MVMs) in the optical domain. Recently, schemes based on ti…

physics.optics2024★ 15 cited

Waveguide-multiplexed photonic matrix-vector multiplication processor using multiport photodetectors

Rui Tang, Makoto Okano, Chao Zhang +3

The slowing down of Moore's law has driven the development of application-specific processors for deep learning. Analog photonic processors offer a promising solution for accelerat…

physics.optics2024★ 3 cited

Si-waveguide-based optical power monitoring of 22 Mach$\unicode{x2013}$Zehnder interferometer based on InGaAsP/Si hybrid MOS optical phase shifter

Tomohiro Akazawa, Stéphane Monfray, Frédéric Boeuf +3

Transparent in-line optical power monitoring in Si programmable photonic integrated circuits (PICs) is indispensable for calibrating integrated optical devices such as optical swit…

cs.ET2024★ 19 cited

Symmetric silicon microring resonator optical crossbar array for accelerated inference and training in deep learning

Rui Tang, Shuhei Ohno, Ken Tanizawa +5

Photonic integrated circuits are emerging as a promising platform for accelerating matrix multiplications in deep learning, leveraging the inherent parallel nature of light. Althou…