Title :
Layout optimization for erbium-doped waveguide amplifiers
Author :
Lowe, Daniel ; Syms, Richard R A ; Huang, Weibin
Author_Institution :
Dept. of Electr. & Electron. Eng., Imperial Coll. of Sci., Technol. & Med., London, UK
fDate :
3/1/2002 12:00:00 AM
Abstract :
The optical layout of erbium-doped waveguide amplifiers (EDWAs) based on spiral and folded spiral planar lightwave circuits is considered. It is shown that layouts may be ranked according to their ability to provide maximum gain within a given chip area and an optimum layout based on a spiral containing both straight and curved waveguide sections is identified from an initial set. The analysis is initially based on simple geometric principles. A detailed optical simulation is then carried out using an algorithm that links a five-level rate equation model with beam propagation by the method of lines. The results confirm the choice of optimum layout
Keywords :
erbium; integrated circuit layout; integrated optoelectronics; optical planar waveguides; optical waveguide theory; optimisation; solid lasers; waveguide lasers; beam propagation; chip area; curved waveguide sections; erbium-doped waveguide amplifiers; five-level rate equation model; folded spiral planar lightwave circuits; layout optimization; maximum gain; method of lines; optical layout; optical simulation; optimum layout; simple geometric principles; solid laser amplifiers; spiral planar lightwave circuits; straight waveguide sections; Circuits; Erbium-doped fiber amplifier; Geometrical optics; Optical amplifiers; Optical planar waveguides; Optical waveguides; Planar waveguides; Semiconductor optical amplifiers; Spirals; Stimulated emission;
Journal_Title :
Lightwave Technology, Journal of
