Open AccessHighly dispersive slot waveguides
Author(s) -
Lin Zhang,
Yang Yue,
Yinying Xiao-Li,
Raymond G. Beausoleil,
Alan E. Willner
Publication year - 2009
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.17.007095
Subject(s) - optics , dispersion (optics) , waveguide , materials science , bandwidth (computing) , modal dispersion , physics , optical fiber , dispersion shifted fiber , telecommunications , fiber optic sensor , computer science
We propose a slot-waveguide with high dispersion, in which a slot waveguide is coupled to a strip waveguide. A negative dispersion of up to -181520 ps/nm/km is obtained due to a strong interaction of the slot and strip modes. A flat and large dispersion is achievable by cascading the dispersive slot-waveguides with varied waveguide thickness or width for dispersion compensation and signal processing applications. We show - 31300 ps/nm/km dispersion over 147-nm bandwidth with <1% variance.