activity
20132022
most citedHigh-modulation-efficiency InGaAsP/Si hybrid MOS optical modulator with Mach-Zehnder interferometer

233 citations · 417 across the 6 of their papers we have counts for

collaborators

6 papers

physics.app-ph2022★ 87 cited

Memory Window in Ferroelectric Field-Effect Transistors: Analytical Approach

Kasidit Toprasertpong, Mitsuru Takenaka, Shinichi Takagi

A memory window of ferroelectric field-effect transistors (FeFETs), defined as a separation of the HIGH-state and the LOW-state threshold voltages, is an important measure of the F…

physics.app-ph2021★ 29 cited

Ultrahigh-sensitivity optical power monitor for Si photonic circuits

Takaya Ochiai, Kei Sumita, Shuhei Ohno +5

A phototransistor is a promising candidate as an optical power monitor in Si photonic circuits since the internal gain of photocurrent enables high sensitivity. However, state-of-t…

cs.ET2021★ 1 cited

Si microring resonator crossbar array for on-chip inference and training of optical neural network

Shuhei Ohno, Kasidit Toprasertpong, Shinichi Takagi +1

Deep learning is one of the most advancing technologies in various fields. Facing the limits of the current electronics platform, optical neural networks (ONNs) based on Si program…

physics.app-ph2020★ 67 cited

Evaluation of polarization characteristics in metal/ferroelectric/semiconductor capacitors and ferroelectric field-effect transistors

Kasidit Toprasertpong, Kento Tahara, Mitsuru Takenaka +1

In this study, we propose a measurement technique for evaluating ferroelectric polarization characteristics in ferroelectric field-effect transistors (FeFETs). Different from stand…

physics.ins-det2017★ 233 cited

High-modulation-efficiency InGaAsP/Si hybrid MOS optical modulator with Mach-Zehnder interferometer

Jae-Hoon Han, Frederic Boeuf, Shinichi Takagi +1

A high-modulation-efficiency optical modulator integrated on silicon (Si) is a key enabler for low-power and high-capacity optical interconnects. However, Si-based optical modulato…

physics.optics2013

Strain-induced enhancement of plasma dispersion effect and free-carrier absorption in SiGe optical modulators

Younghyun Kim, Mitsuru Takenaka, Takenori Osada +2

The plasma dispersion effect and free-carrier absorption are widely used for changing refractive index and absorption coefficient in Si-based optical modulators. However, these fre…