Title :
Dielectric properties of GaAs AlGaAs multiple quantum well waveguides
Author :
Sonek, G.J. ; Ballantyne, J.M. ; Chen, Y.J. ; Carter, G.M. ; Brown, S.W. ; Koteles, E.S. ; Salerno, J.P.
Author_Institution :
Cornell university, Ithaca, NY, usa
fDate :
7/1/1986 12:00:00 AM
Abstract :
GaAs/AlGaAs multiple quantum well (MQW) waveguides are investigated using the grating coupling technique. Large polarization dependent effects of the two-dimensional excitons are seen in the TE/TM dispersion relation of single mode slab waveguides. By treating the MQW as a layered composite dielectric, we deduce the oscillator strengths of the heavy and light hole excitons, and the background dielectric constant of the MQW without the excitonic contribution, for fields polarized parallel and perpendicular to the MQW layers.
Keywords :
Optical couplers; Optical planar waveguides; Planar optical waveguide; Dielectrics; Dispersion; Excitons; Gallium arsenide; Gratings; Optical polarization; Oscillators; Quantum well devices; Slabs; Tellurium;
Journal_Title :
Quantum Electronics, IEEE Journal of
DOI :
10.1109/JQE.1986.1073076
