Author:
Leger Alexandre Z.,Ulsig Emil Z.,Stanton Eric J.,Reddy Dileep V.,Volet Nicolas,Shalm Lynden K.,Stevens Martin J.,Hamel Deny R.,Mirin Richard P.
Abstract
We demonstrate spontaneous parametric downconversion in straight GaAs and AlGaAs-on-insulator waveguides, which yield a maximum pair generation rate of 1.2 × 1010s−1mW−1, normalized to the pump power. The joint spectral intensity is directly measured via time-of-flight spectroscopy.