title: Optical bistability in metal-insulator-metal plasmonic Bragg waveguides with Kerr nonlinear defects.
abstract: We numerically investigate the characteristics of the defect mode and the nonlinear effect of optical bistability in metal-insulator-metal (MIM) plasmonic Bragg grating waveguides with Kerr nonlinear defects. By means of finite-difference time-domain simulations, we find that the defect mode peak exhibits a blueshift and height-rise by enlarging the width of the defect layer, and it has a redshift and height-fall with the increase of the dielectric constant of defect layer. Obvious optical bistability is obtained in our waveguides with a length of less than 2 μm. The results show that our structure could be applied to the design of all-optical switching in highly integrated optical circuits.
authors: State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an 710119, China.
authors: Hua
authors: H
authors: Lu
authors: Xueming
authors: X
authors: Liu
authors: Yongkang
authors: Y
authors: Gong
authors: Dong
authors: D
authors: Mao
authors: Leiran
authors: L
authors: Wang