Title :
Low-power, refractive nonlinearity in InGaAs/InP multiquantum well waveguide
Author :
Cacciatore, C. ; Campi, D. ; Coriasso, C. ; Meneghini, G. ; Rigo, C.
Author_Institution :
CSELT, Torino, Italy
Abstract :
An all-optical, nonlinear grating coupling has been observed in a passive InGaAs/InP MQW planar waveguide at room temperature. It is shown that thermal effects can be ruled out, and that the mechanism responsible for the refractive nonlinearity is consistent with purely excitonic effects. Switching power density is believed to be lower than in previous studies.
Keywords :
III-V semiconductors; excitons; gallium arsenide; indium compounds; integrated optics; nonlinear optics; optical switches; optical waveguides; refractive index; semiconductor quantum wells; InGaAs-InP; all optical nonlinear grating coupling; excitonic effects; multiquantum well waveguide; nonlinear refractive index; passive MQW planar waveguide; refractive nonlinearity; room temperature; switching power density;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921033
