Ideguchi group works on optical science at the Institute for Photon Science and Technology (IPST) in the School of Science, The University of Tokyo. We develop advanced optical techniques to explore physical and biological science. 


  • Genki Ishigane received Young Scientist Presentation Award In the JSAP Spring Meeting 2022! Congratulations! (2022.5)
  • Welcome to new members Makoto Shoshin and Kohki Horie! (2022.4)
  • [New paper] "Simple approach to broadband mid-infrared pulse generation with a mode-locked Yb-doped fiber laser" is published in Optics Letters (2022.3.28)
  • [New paper] "Broadband complementary vibrational spectroscopy with cascaded intra-pulse difference frequency generation" is published in Optics Letters (2021.11).
  • Welcome to new members Genki Ishigane and Satoko Yagi! (2021.4)
  • Timothee Mouterde was awarded UTokyo excellent researcher and moved to School of Engineering, having his own lab! Congratulations!! (2021.4)
  • We work for Science & Theory Enabling inteLligent LAser manufacturing (STELLA) Project.

latest Publications

Sensitive quantitative phase imaging

"Adaptive dynamic range shift (ADRIFT) quantitative phase imaging"

Light: Science & Applications 10, 1 (2021)

High-speed FTIR spectroscopy

"High-speed Fourier-transform infrared spectroscopy with phase-controlled delay line"

Laser & Photonics Reviews 15, 2000374 (2021)

Compressive sensing for spectroscopy

"Compressive dual-comb spectroscopy"

Scientific Reports 11, 13494 (2021)

World's fastest infrared spectroscopy

"Time-stretch infrared spectroscopy"

Communications Physics 3, 152 (2020)


3D phase microscopy with molecular contrast

"Label-free biochemical quantitative phase imaging with mid-infrared photothermal effect"

Optica 7, 359-366 (2020)

Simultaneous Raman & infrared spectroscopy

"Complementary vibrational spectroscopy"

Nature Communications 10, 4411 (2019)


Label-free coherent Raman flow cytometry

"High-throughput label-free molecular fingerprinting flow cytometry"

Science Advances 5, aau0241 (2019)

Phase microscopy with molecular contrast

"Molecular contrast on phase-contrast microscope"

Scientific Reports 9, 9957 (2019)

Ultra-rapid Fourier-transform spectroscopy

"Phase-controlled Fourier-transform spectroscopy"

Nature Communications 9, 4448 (2018)