Title :
A coupled-waveguide grating resonator filter
Author :
Huang, W.-P. ; Hong, J.
Author_Institution :
Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada
Abstract :
A coupled-waveguide grating resonator is proposed and analyzed for implementing a tunable narrowband wavelength filter. Exchange Bragg reflection between two strongly coupled dissimilar waveguides is utilized in the filter design. The input and output (reflected) signals are spatially separated so that the device may be suitable as a signal dropping filter in a unidirectional ring photonic network.<>
Keywords :
diffraction gratings; integrated optics; optical communication equipment; optical couplers; optical filters; optical resonators; optical waveguide theory; tuning; Bragg reflection; coupled-waveguide grating resonator filter; filter design; signal dropping filter; spatially separated reflected signals; strongly coupled dissimilar waveguides; tunable narrowband wavelength filter; unidirectional ring photonic network; Bragg gratings; Frequency conversion; Narrowband; Optical filters; Optical frequency conversion; Optical reflection; Optical resonators; Optical waveguides; Resonance; Resonator filters;
Journal_Title :
Photonics Technology Letters, IEEE
