Parity Time Symmetry: Unlocking Faster, More Powerful Optical Signal Processing

Parity Time Symmetry: Unlocking Faster, More Powerful Optical Signal Processing

Linewidth and intensity enhancement operations based on odd-even time (PT) symmetry. a Above: Schematic diagram of wavelength conversion, in which strong continuous wave (CW) pump light is used to convert …

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Star bars show galaxies evolved much faster in the early universe than previously thought

Star bars show galaxies evolved much faster in the early universe than previously thought

A grayscale image of the 10.6-billion-year-old galaxy EGS_31125 as seen by the James Webb Space Telescope. The galaxy’s bar is visible (outlined as a thick purple line in the center …

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Massive quantum cold: Scientists modify ordinary lab refrigerator to cool faster with less energy

Massive quantum cold: Scientists modify ordinary lab refrigerator to cool faster with less energy

Illustration of pulse tube refrigerator. Image credit: S. Kelley/NIST By improving a refrigerator commonly used in research and industry, researchers at the National Institute of Standards and Technology (NIST) have …

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