87 citations · 328 across the 19 of their papers we have counts for
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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…
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…
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…
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…
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…
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…
Non-volatile optical phase shift in ferroelectric hafnium zirconium oxide
Kazuma Taki, Naoki Sekine, Kouhei Watanabe +6
A non-volatile optical phase shifter is a critical component for enabling large-scale, energy-efficient programmable photonic integrated circuits (PICs) on a silicon (Si) photonics…