access icon free Wavelength filter using twin one-dimensional photonic crystal cavity silicon waveguides

A wavelength filter using a pair of one-dimensional photonic crystal (1D-PhC) waveguides incorporating cavity sections for one-directional output is reported. The small number of holes for 1D-PhC is used to attain distinct transmission peaks in the stop band. Two cavity sections are used to obtain peak with steep slope and widened top. The three-dimensional finite difference time domain simulation results agree with the experimental result.

Inspec keywords: finite difference time-domain analysis; integrated optics; optical waveguides; optical filters; silicon; photonic crystals; elemental semiconductors

Other keywords: Si; stop band.; three-dimensional finite difference time domain simulation; one-directional output; wavelength filter; twin one-dimensional photonic crystal cavity silicon waveguides; distinct transmission peaks; 1D-PhC

Subjects: Optical waveguides; Integrated optics; Integrated optics; Photonic bandgap materials; Optical waveguides and couplers; Optical coatings and filters; Optical materials; Spectral and other filters

http://iet.metastore.ingenta.com/content/journals/10.1049/el.2018.7469
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Erratum: Wavelength filter using twin one-dimensional photonic crystal cavity silicon waveguides