title: Weighted distributed feedback structure for all-optical bistable devices.
abstract: We proposed to use a distributed feedback structure with a weighted coupling coefficient (W-DPB) in an all-optical bistable device in order to improve on-state transmittance and to reduce threshold intensity. Through numerical calculations, characteristics of the W-DPB structure were discussed compared with those of a conventional DPB structure. The W-DPB optical bistable device exhibits high on-state transmittance and low-threshold input intensity. Fabrication of the W-DPB structure with a periodicity of 169.8 nm is demonstrated on a CdS(x)Se(1-x)-doped glass substrate by means of holographic exposure with a double-coated photoresist and reactive ion etching in CHP(3).
authors.forename: K
authors.initials: K
authors.lastname: Nakatsuhara
authors.forename: T
authors.initials: T
authors.lastname: Mizumoto
authors.forename: R
authors.initials: R
authors.lastname: Munakata
authors.forename: Y
authors.initials: Y
authors.lastname: Naito