Title :
Improvement of threshold and mode selectivity of a microdisk laser by engineering its coupling to an external passive cavity
Author :
Mandorlo, Fabien ; Rojo-Romeo, Pedro ; Letartre, Xavier ; Fedeli, Jean-Marc ; Viktorovitch, Pierre
Author_Institution :
Lyon Inst. of Nanotechnol. (INL), Univ. of Lyon, Ecully, France
Abstract :
An optimization of coupling conditions between microdisk based lasers and waveguides is presented using an analytical model. Adding an external passive cavity can increase mode selectivity and get a single, unidirectional and tunable output waveguide.
Keywords :
Q-factor; integrated optics; laser modes; microdisc lasers; optical couplers; optical resonators; optical tuning; optical waveguides; optimisation; semiconductor lasers; circular resonator; coupling optimization; external passive cavity; microdisk based waveguides; microdisk laser; mode selectivity; quality factors; threshold selectivity; tunable output waveguide; unidirectional output waveguide; Biomembranes; High speed optical techniques; III-V semiconductor materials; Laser modes; Optical coupling; Optical resonators; Optical surface waves; Optical waveguides; Q factor; Slabs;
Conference_Titel :
Group IV Photonics, 2009. GFP '09. 6th IEEE International Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-4244-4402-1
Electronic_ISBN :
1949-2081
DOI :
10.1109/GROUP4.2009.5338392
