title: Living-cell imaging using a photonic crystal nanolaser array.
abstract: We proposed and demonstrated a label-free imaging method for living cells using a GaInAsP H0-type photonic crystal nanolaser array. We integrated 441 nanolasers in an arrayed configuration and achieved photopumped lasing with a 100% yield. Then, we attached HeLa cells on it, measured the wavelengths of all nanolasers and used them as pixel information. We acquired cell images, which partially corresponds to optical micrographs and probably reflects the attachment condition of the cells. We improved the refractive index resolution from ~10(-2) to 2 × 10(-3) by incorporating a nanoslot into each nanolaser and compensating the nonuniformity of each index sensitivity.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Abe
authors.forename: Michimasa
authors.initials: M
authors.lastname: Narimatsu
authors.forename: Takumi
authors.initials: T
authors.lastname: Watanabe
authors.forename: Tetsuhisa
authors.initials: T
authors.lastname: Furumoto
authors.forename: Yasuyuki
authors.initials: Y
authors.lastname: Yokouchi
authors.forename: Yoshiaki
authors.initials: Y
authors.lastname: Nishijima
authors.forename: Shota
authors.initials: S
authors.lastname: Kita
authors.forename: Asahi
authors.initials: A
authors.lastname: Tomitaka
authors.forename: Satoshi
authors.initials: S
authors.lastname: Ota
authors.forename: Yasushi
authors.initials: Y
authors.lastname: Takemura
authors.forename: Toshihiko
authors.initials: T
authors.lastname: Baba