Takaaki Ishigure

Papers

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About

Takaaki Ishigure is a leading figure in polymer photonics, renowned for pioneering the "Mosquito method"—a direct inscribing technique that uses a needle-type micro-dispenser and UV-curable resins to fabricate high-performance polymer optical waveguides. His research centers on the design and fabrication of low-loss, single-mode polymer waveguides with circular cores, enabling precise control over mode-field diameter and core geometry. A major contribution is the development of broadband polymer mode (de)multiplexers based on tapered mode-selective couplers, which are directly inscribed into substrate materials, advancing on-chip multimode transmission for data communications. Ishigure has also innovated in tactile sensing, creating polymer waveguide-based optical sensors that overcome the limitations of conventional fiber sensors, offering fast response and high sensitivity. His most cited work, a 2021 study on low-loss single-mode waveguides with circular cores, has garnered 7 citations, while his 2018 mode multiplexer paper has 6 citations, reflecting steady impact in the field. Through the Mosquito method, Ishigure has established a versatile platform for integrating multiple waveguide cores with identical mode-field diameters, making his work foundational for next-generation optical interconnects and sensing technologies.