29 citations · 46 across the 5 of their papers we have counts for
5 papers
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…
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…
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…
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…