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  3. Kyoko Kitamura

Kyoko Kitamura Kyoko Kitamura

Professor, Graduate School of Engineering, Tohoku University *Profile is at the time of the award.

2026AccelerateScience & Engineering

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Research topics
Development of single-chipped circularly polarized lasers
Keyword
Summary
　Circularly polarized beam —a state in which polarization rotates clockwise or counter-clockwise as beam propagates— is gaining attention as a critical information carrier for next-generation quantum communication and computing. As the culmination of our ongoing research into the "spatial physical quantity control of laser beams within a single semiconductor device," we will develop a novel laser capable of emitting coaxial circularly polarized beam from a single-chip architecture. By integrating complex beam control into a single-device solution, this project aims to drive significant advancements in fields such as high-precision optical sensing and quantum information technologies.

Message

　I realized that by combining the device invented through this foundation's 2017 grant with a method I had been developing for a different research theme, we could generate circularly polarized beams. I applied for the 'Takamaru' course because I felt it was the perfect fit for this discovery. With this grant, and keeping in mind the words of the late Chairman Inamori—' I’ve got it! I clearly see your vision!'—I am committed to pursuing research that will make everyone say, 'I get it now!'_x000D_

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