INSIDER: Photonics/Optics
Scientists Develop Extreme Light Trapping Technology

A silicon solar cell harvests the energy of the sun as light travels down through light-absorbent silicon. To reduce...

INSIDER: Photonics/Optics
Engineers Invent Method to Control Light Propagation in Waveguides

A team of Columbia Engineering researchers, led by Applied Physics Assistant Professor Nanfang Yu, has invented a method to control light propagating in confined pathways, or...

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