Jung-Tsung Shen's quantum photonic-dimer laser can produce a powerful and concentrated beam of light that can penetrate fog.
The new device controls pairs of light particles or photonic dimers, which are used to generate a powerful and concentrated beam of light or laser.Led by Jung-Tsung Shen, the team at the McKelvey School of Engineering at Washington University conducted the Defense Advanced Research Projects Agency backed research.Adverse conditions, such as fog, extreme temperatures, or long distances, can hamper military surveillance and communication.
Blue photons have a higher frequency and carry more energy than others, like red photons. The entanglement between the two photons may revolutionize applications in communication and imaging, offering unprecedented capabilities. “When two photons are bound together, they still suffer the effects of the atmosphere, but they can protect each other so that some phase information can still be preserved,” he added.“Quantum entanglement is a correlation between photons,” he said. “We are trying to exploit the property of entanglement to do something innovative. The entanglement can do many things that we can only dream of — this is just the tip of the iceberg.
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