Here we demonstrate cross-polarized spontaneous FWM in a novel bi-chromatically pumped integrated optical parametric oscillator (OPO). To achieve this, we introduce a method to suppress stimulated ...

CHICAGO — America is growing more polarized or so we've read in what seems like a zillion headlines in the weeks since the Pew Research Center for the People and ...

Not all polarized sunglasses are created equal. Some also have UVA/UVB sunlight protection (which is not the same as polarization), and they come in the same range of styles as regular sunglasses.

This narrative is badly skewed. In fact, scholars do not agree that the American public has actually become more polarized. Our new research, forthcoming at the Journal of Politics, shows that ...