TOP > Photonics Integration System Research Center

Photonics Integration System Research Center

	Prof. Hiroyuki UENOHARA
	Room: R2	Mail-Box: R2-43
	TEL: 045-924-5038
	E-mail: uenohara.h.aa(at)m.titech.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 toward 6G era

Targeted photonic networks in Uenohara Laboratory

Silicon photonics optical swiches integrating WDM-DEMUX/MUX and control board

	Prof. Yoichiro KURITA（Specially Appointed）〔Koyama Lab〕
	Room: R2	Mail-Box: R2-39
	TEL: 045-924-5059
	E-mail: kurita.y.ac(at)m.titech.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.f.aa(at)m.titech.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

	Prof. Padullaparthi BABU（Specially Appointed）〔Koyama Lab〕
	Room: R2	Mail-Box: R2-22
	TEL: 045-924-5464
	E-mail: babudayal.p.aa(at)m.titech.ac.jp Please replace "(at)" with "@".
	HomePage: http://vcsel-www.pi.titech.ac.jp/

Research Field　III-V Semiconductor Photonic (Opto-electronic) Devices and Modules
Objective　Next generation high-speed and high-power VCSELs for Communication and Sensing
Current Topics

・Terabit data-communication single-mode VCSELs for long reach optical networks
・Development of ultra-fast VCSELs towards 100GBaud operations
・High power single-mode VCSELs with surface grating strutures
・Chip and wafer scale (prototype) performance evaluations and quality improvement
・High peak-power VCSEL chips for short and long range LiDARs


High-speed VCSEL array using coupled-cavity structure

LiDAR system using a high-power VCSEL

	Assoc. Prof. Tomoyuki MIYAMOTO
	Room: R2	Mail-Box: R2-39
	TEL: 045-924-5059
	E-mail: miyamoto.t.ac(at)m.titech.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

	Assoc. Prof. Xiaodong GU（Specially Appointed）〔Koyama Lab〕
	Room: R2	Mail-Box: R2-22
	TEL: 045-924-5077
	E-mail: gu.x.aa(at)m.titech.ac.jp Please replace "(at)" with "@"
	HomePage: http://vcsel-www.pi.titech.ac.jp/

Research Field　Photonics/Semiconductor Device
Objective　Development of lasers for post-5G ultra-fast optical link network and for novel solid-state optical LiDAR
Current Topics

・Development of high-resolution non-mechanical laser LiDAR using Slow-light Device
・Development of VCSEL scanning for 3D sensing
・Development of VCSEL/VCSELs array for Fronthaul High-capacity Network
・Development of Ultra-high-speed VCSEL for 5G/6G network

Non-mechanical Laser Scanner

	Asst. Prof. Yohei AIKAWA
	Room: R2	Mail-Box: R2-43
	TEL: 045-924-5026
	E-mail: aikawa.y.aa(at)m.titech.ac.jp Please replace "(at)" with "@".
	HomePage: http://vcsel-www.pi.titech.ac.jp/

Current Topics

・Photonic accelerator with silicon photonics
・Optical likelihood estimation
・Optical forward-error-correction coding technology

Optical likelihood estimation on silicon photonics

Optical FEC coding scheme with convolutional code

Organization