Nature, Published online: 09 April 2025; doi:10.1038/s41586-025-08824-3
An integrated optical parametric amplifier with an ultra-wide bandwidth was implemented using geometrically optimized low-loss nonlinear rib silicon nitride waveguides including the demonstration of broadband all-optical wavelength conversion.
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The practice of separating children from their parents and resulting consequences continue to be current concerns. In spite of the previous court order, families are still being separated at the border.
Separating children from their parents while attempting to cross from Mexico into the United States without authorization often also means separation from the family. Both have adverse affects on the children and parents, the family and future generations.
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