Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Usami Koji and Nambu Yoshihiro and Tomita Akihisa and Nakamura Kazuo,Photodetector Sensitive to the Vacuum Fluctuations-Quantum Counter-,Butsuri,00290181,The Physical Society of Japan,2005,60,5,363-367,https://cir.nii.ac.jp/crid/1390001205404862208,https://doi.org/10.11316/butsuri1946.60.363