Ultra-high spectral purity revealed in exciton-polariton laser

Exciton-polariton lasers, renowned for their low-power operation, have long tantalized researchers with their promise for practical low-energy applications. However, until now, a clean measurement of the laser's linewidth, ...

A new type of infrared polaritons at the surface of bulk crystals

An international team has reported in Nature the first observation of ghost polaritons, which are a new form of surface waves carrying nanoscale light strongly coupled with material oscillations and featuring highly collimated ...

Researchers squeeze light into nanoscale devices and circuits

As electronic devices and circuits shrink into the nanoscale, the ability to transfer data on a chip, at low power with little energy loss, is becoming a critical challenge. Over the past decade, squeezing light into tiny ...

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