Title :
Electro-optically tunable wavelength demultiplexer using depressed index waveguides
Author :
LÓpez-amo, M. ; Subías, R. ; LÓpez-higuera, J.M. ; Muriel, M.A.
Author_Institution :
Dept. de Tecnologia Fotonica, ETSI de Telecomunicacion, Madrid, Spain
Abstract :
A novel configuration of an integrated optical tunable wavelength demultiplexer with a stable channel spacing is proposed. The structure consists of a three-mode depressed index diffused waveguide with single-mode input and output waveguides. The refractive index depression has been designed using experimental data of double diffusion of MgO on Ti:LiNbO3 waveguides. The BPM simulation of the structure supports the feasibility of the device and shows a good wavelength tunability.
Keywords :
electro-optical devices; frequency division multiplexing; integrated optics; lithium compounds; magnesium compounds; optical communication equipment; optical waveguide components; titanium; tuning; BPM simulation; LiNbO 3:Ti, MgO; WDM; depressed index waveguides; electrooptically tunable; integrated optical tunable wavelength demultiplexer; integrated optics; refractive index depression; single-mode input; stable channel spacing; three-mode depressed index diffused waveguide; wavelength tunability;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910126
