Current-induced guiding and beam steering in active semiconductor planar waveguide
Abbreviated Journal Title
IEEE Photonics Technol. Lett.
charge carrier processes; integrated optics; laser beam steering; optical planar waveguide components; semiconductor optical amplifiers; REFRACTIVE-INDEX; GAAS-ALGAAS; CARRIER; MODULATORS; INGAASP; LASERS; Engineering, Electrical & Electronic; Optics; Physics, Applied
We propose a novel method of achieving beam steering in active GaAs-A1GaAs materials. Carrier-induced refractive index change effect is applied to form a channel waveguide in a slab structure, Current injection is used as a means to control, guide, and steer an optical beam between two active stripes. In a structure that was 710 mu m long, we have experimentally demonstrated waveguiding of an externally coupled optical beam and electrically induced steering of the beam over a 17-mu m lateral distance at the output facet. The results of theoretical analysis and modeling of the beam shift fit the experimental data well.
Ieee Photonics Technology Letters
"Current-induced guiding and beam steering in active semiconductor planar waveguide" (1999). Faculty Bibliography 1990s. 2607.