Here are some collaborations worldwide!

• Singleshot terahertz spectroscopy in pulsed magnets (Rice university, USA)
• Characterization of ultrafast pulse profiles in semiconductor lasers (ISSP, the University of Tokyo)
• Waveform detection of terahertz devices (University of Hyogo, NICT)
• Scanning tunneling luminescence spectroscopy (RIKEN, GIST, Korea)
• Nonlinear terahertz spectroscopy (California Institute of Tehcnology, USA)
• High harmonic generation in metals (Kyoto University, JAXA, NIMS)
• Nonlinear soectroscopy of nanomaterials (Tokyo metropolitan university, Rice university, USA)