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Event

【GIR Open Seminar】 Dr. Robert E. Simpson / University of Birmingham (U.K.)

Date 2024.12.18 (13：00 - 14：00)
Venue

Lecture Room L0032, 3rd Fl., Lecture Hall Building for the Faculty of Engineering, Koganei Campus, TUAT
Speaker Dr. Robert E. Simpson
Affiliation University of Birmingham (U.K.)
Title "Phase change materials: from data storage to photonics"

＜Abstract＞
Chalcogenide phase change materials (PCMs) display radically different properties between their amorphous and crystalline states. The property contrast has been exploited in commercially successful data storage systems, such as DVD-RW and Intel’s Optane memory, and now similar materials are being studied and developed to steer laser beams, compute using optical neural network schemes, and form 2D and 3D displays. This talk will start by introducing how we design and optimise these materials and their devices, and then I will show our latest results exploiting partial amorphisation (rather than partial crystallisation) to create devices with a multilevel optical response, and our work beyond PCMs developing chalcogenide-based sensors and detectors. Finally, I will wrap up with a discussion on the suitability of PCMs for different optical and photonics applications.
Language English
Intended for Everyone is welcome to join.
Co-Organized by Institute of Global Innovation Research ”ENERGY” Kubo Team
Excellent Leader Development for Super Smart Society by New Industry Creation and Diversity
Contact Institute of Global Innovation Research, Institute of Engineering
Prof. Wakana Kubo
e-mail: w-kubo ( at ) cc.tuat.ac.jp
Remarks

This seminar will only be held face-to-face.

 

Biography
Robert E. Simpson is an Associate Professor in the School of Engineering at the University of Birmingham in the UK. Before Birmingham, Robert spent almost 11 years at the Singapore University of Technology and Design (SUTD) where he formed the Advanced Chalcogenides Technologies & Applications Lab. Robert also spent his postdoc years as a Marie Curie and JSPS fellow in the Institute of Photonic Science (ICFO) in Spain and the Japanese Advanced Industrial Science and Technology (AIST) institute in Japan, where he developed phase change material tuned photonics devices and interfacial phase change memory, respectively. These days Robert aims to combine fundamental discoveries in materials physics, photonics, and nanotechnology to improve society and the quality of peoples’ lives.

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