Extreme Photonics Research Group


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Extreme Photonics Research Group,
RIKEN Center for Advanced Photonics

2-1 Hirosawa, Wako, Saitama 351-0198 Japan


Discovery of novel light sources expands science horizon and creates new scientific research fields. New light sources or optical technology enabling to observe what we could not see has long been yearned for a wide variety of research fields form environment science, biology, to atomic/molecular physics. In order to fulfill such our desire, our group further pursues the potential of the novel optical technology being developed at RIKEN, such as intense soft X-ray attosecond pulse sources, near-field optical microscopes and live cell imaging. Using the advantages of RIKEN's research complex covering physics, chemistry, engineering, biology and medical science, applications of these light sources are also being pursued to explore new scientific fields and to develop the industrial infrastructure. This program is also operated through close collaboration with the Institute of Molecular Science and a network of several universities in the Tokyo area, contributing to the promotion of optical science and the education of young researchers.


Quantum Electronics, Nonlinear Optics, Laser Engineering, Cell Biology, Nanophotonics, Molecular Spectroscopy, Chemical Dynamics, Bioimaging, Image Processing


Ultrafast Optics, attosecond Pulses, Femtosecond Laser Processing, Bioimging, Multiphoton Spectroscopy, Nearfield Optics, Nanophotonics, Ultrafast Spectroscopy, Phtoelectron Spectroscopy, Optical Lattice Clock, Relativistic Geodesy


  1. Attosecond science
  2. Live cell imaging
  3. Ultrafast molecular spectroscopy
  4. Nearfield nanophotonics
  5. Molecular reaction dynamics
  6. Space-time engineering
  7. Biotechnological optics
  8. Image processing

Research Teams