TOP > Quantum Photonics and Optoelectronics Research Core

Quantum Photonics and Optoelectronics Research Core

	Prof. Hiroyuki UENOHARA
	Room	R2	Mail-Box	R2-43
	TEL	045-924-5038
	E-mail	uenohara.h.88ff(at)m.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://vcsel-www.pi.titech.ac.jp/
Research Field	Ultrafast Photonic Network, signal processing, and Photonic Integration Device
Objective	Optical signal processing and related integration devices and systems
Current Topics	Optical signal processing / coding techniques for high-speed and high efficiency Optical linear/nonlinear distortion compensation using machine learning Silicon photonic optical OFDM add/drop MUX/DEMUX FFT circuit Crosstalk suppression techniques for heterogeneous-bandwidth non-orthogonal WDM signals Optical switching technologies connecting edge servers and GPUs toward 6G era

Optical filtering of non-orthogonal wavelength division multiplexing signals with heterogeneous bandwidths
(overlap between signal 1 and signal 2)

Photonics switch fabrics for GPU-interconnection

	Prof. Safumi SUZUKI
	Room	S9	Mail-Box	S9-3
	TEL	03-5734-3039
	E-mail	safumi(at)first.iir.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://www.pe.titech.ac.jp/SuzukiLab/
Research Field	Terahertz semiconductor devices, Terahertz application systems
Objective	Semiconductor devices and systems for terahertz imaging and biosensing
Current Topics	High-power semiconductor terahertz signal sources Control of electronic devices with optical technologies Terahertz 3D imaging Terahertz biosensing


Terahertz signal sources using resonant tunneling diode	Terahertz 3D imaging with a compact semiconductor terahertz signal source

	Prof. Shigeru NAKAGAWA
	Room	S9	Mail-Box	S9-9
	TEL	03-5734-7631
	E-mail	nakagawa(at)first.iir.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	https://www.photonics.first.iir.isct.ac.jp/
Research Field	Quantum photonics, AI photonics, Integrated photonics
Objective	Photonics for Quantum and AI
Current Topics	Electrically-driven, high-speed deterministic single-photon sources and entangled photon pair sources for photonic quantum computer Scalable reservoir computing with active photonic cavities for high-speed dynamic digital data analysis

Electrically-driven, deterministic single-photon source

Active photonic cavity

	Prof. Tomoyuki MIYAMOTO
	Room	R2	Mail-Box	R2-39
	TEL	045-924-5059
	E-mail	tmiyamot(at)first.iir.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://vcsel-www.pi.titech.ac.jp/
Research Field	Photonics/Optoelectronics
Objective	Development of optical wireless power transmission systems
Current Topics	Expansion of applications of optical wireless power transmission (OWPT) Construction of optical wireless power transmission system for room use appliances Construction of optical wireless power transmission systems for dynamic charging Construction of optical wireless power transmission systems for underwater Development of devices and modules for optical wireless power transmission

Image of optical wireless power supply system

Experimental setup of underwater OWPT

	Prof. Yoichiro KURITA（Specially Appointed）〔Koyama Lab〕
	Room	R2	Mail-Box	R2-39
	TEL	045-924-5059
	E-mail	kurita.y.2e1e(at)m.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://vcsel-www.pi.titech.ac.jp/
Research Field	MetaIC: Meta-Integrated Circuit (Integrated Circuit of the Integrated Circuits）
Objective	Seeking Scalable & Tightly Coupled Device Integration Methods for Post-Moore Era
Current Topics	Chiplet Integration Technology Die-to-Die High-BW Transmission Technology 3D Integration Technology Optical Chiplet Integration Technology Heterogenious Integration Technology

Scaling of Chiplet Integration Technology

MetaIC = Integrated Circuit of Integrated Circuits

Fan-Out Technology

	Prof. Fumio KOYAMA（Specially Appointed）
	Room	R2	Mail-Box	R2-22
	TEL	045-924-5068
	E-mail	koyama(at)first.iir.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://vcsel-www.pi.titech.ac.jp/
Research Field	Photonic Integrated Devices
Objective	Photonic integrated circuits toward high-capacity lightwave communication and optical sensing systems
Current Topics	VCSEL photonics for new functions High-speed VCSEL photonics for next-generation data center networks Widely tunable VCSELs for optical bio-imaging High-resolution beam steering for LiDAR applications Tunable optical devices for next-generation access networks

Widely wavelength tunable MEMS VCSEL

Super-high resolution beam steering devices

	Assoc. Prof. Yuya SHOJI
	Room	S9	Mail-Box	S9-10
	TEL	03-5734-2578
	E-mail	yshoji(at)first.iir.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://www.wave.ee.e.titech.ac.jp/index-en.html
Research Field	Photonic circuits, Photonic devices
Objective	Photonic integrated circuits for the next generation photonic network systems
Current Topics	Waveguide optical isolator Nonvolatile optical switch On-chip wavelength-division multiplexing device Integrated photonic memory with magnetic material

Silicon waveguide optical isolator

Nonvolatile optical switch

	Asst. Prof. Yohei AIKAWA
	Room	R2	Mail-Box	R2-43
	TEL	045-924-5026
	E-mail	aikawa.y.89b5(at)m.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://vcsel-www.pi.titech.ac.jp/
Current Topics	Optical digital logic circuit Optical forward-error-correction coding technology /optical likelihood estimation Photonic accelerator with silicon photonics

Conceptual image of optical logic circuit

	Asst. Prof. Shiori MATSUDA
	Room	S9/span>	Mail-Box	S9-3
	TEL	03-5734-2857
	E-mail	matsuda.s.5cc1(at)m.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://www.pe.titech.ac.jp/SuzukiLab/
Current Topics	Three-dimensional imaging using terahertz wave Biosensing using terahertz devices

Schematic of biological applications with terahertz waves

	Asst. Prof. Wenbo LIN
	Room	S9	Mail-Box	S9-9
	TEL	03-5734-3097/span>
	E-mail	lin.w(at)first.iir.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://photonics.ee.e.titech.ac.jp/
Current Topics	Iop-trapping based on nanophotonics On-chip generation of topological light beams

Schematic of an ion-trapping device based on topological photonics

	Asst. Prof. Adrian DOBROIU（Specially Appointed）〔Suzuki Lab〕
	Room	S9	Mail-Box	S9-3
	TEL	03-5734-2564
	E-mail	dobroiu(at)first.iir.isct.ac.jp　Please replace “(at)” with “@”.
	HomePage	http://www.pe.titech.ac.jp/SuzukiLab/
Current Topics	Applications of resonant-tunneling diodes (RTD) Terahertz-wave radars, 2D and 3D imaging, communications Terahertz-wave biosensing

Example of an FMCW radar based on an RTD oscillator