Scientists from TU Delft and Radboud University in the Netherlands have identified an unusual property in the two-dimensional ferroelectric material CuInP₂S₆ (‘CIPS’). Their work shows that this crystal can steer and modify blue and ultraviolet light in ways rarely seen in other materials.
Because ultraviolet light plays a central role in advanced semiconductor manufacturing, high-resolution microscopy, and emerging optical communication systems, gaining better control of this part of the spectrum on microchips is increasingly important. As reported in the journal Advanced Optical Materials, the researchers demonstrate that CIPS can be incorporated directly onto chips, suggesting new possibilities for integrated photonics.
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