Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKAHASHI Yasushi and OKANO Makoto and ASANO Takashi and NODA Susumu,Progress of ultrahigh-Q optical nanocavities using a silicon photonic crystal,Oyo Buturi,03698009,The Japan Society of Applied Physics,2018-10-10,87,10,749-753,https://cir.nii.ac.jp/crid/1390564227308747648,https://doi.org/10.11470/oubutsu.87.10_749