Second-Order Optical Nonlinearity in Silicon Waveguides: Inhomogeneous Stress and Interfaces
Clemens Schriever, Federica Bianco, Massimo Cazzanelli, Mher Ghulinyan, Christian Eisenschmidt, Johannes de Boor, Alexander Schmid, Johannes Heitmann, Lorenzo Pavesi and Jörg Schilling
Advanced Optical Materials 2015, 3, 129–136