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Nanoscale system for producing various forms of light

Multi-particle scattering in plasmon systems. Credit: LSU

For decades, scholars have believed that boson statistical properties are conserved in the plasmon system and therefore do not produce different forms of light.


This fast-growing field of study focuses on the quantum properties of light and their interaction with matter at the nanoscale level.Stimulated by Experimental work Similar dynamics are found in the possibility of maintaining a non-classical correlation in light-matter interactions mediated by photon-plasmon scattering. Quantum fluctuation Defines the nature of the light source. The possibility of using nanoscale systems to create exotic forms of light has the potential to pave the way for next-generation quantum devices. You can also configure a new platform for exploring new quantum phenomena.

With new findings published in Nature CommunicationsResearchers at Louisiana State University and four cooperating universities have introduced discoveries that change the paradigm of quantum plasmonics by demonstrating the potential of metal nanostructures to produce different forms of light.

Their paper, “Observation of Modifications of Quantum Statistics in the Plasmon System,” was written by collaborators at the University of Alabama, Huntsville, Monterey Institute of Technology, National Autonomous University of Mexico, and National Autonomous University of Mexico, and presents multiparticle quantum statistics. increase. The system is not always stored on the Plasmon platform. It also describes the first observation of the modified quantum statistics.

Lead author Chenglong You, a postdoctoral fellow at LSU, and Mingyuan Hong, a graduate student at LSU, provide additional scattering pathways where optical proximity fields can induce complex multiparticle interactions. It shows that.

“Our findings reveal the possibility of using multi-particle scattering to perform exquisite control of quantum plasmon systems,” you said. “This result redirects an old paradigm in the field of quantum plasmonics, where the basic physics revealed by our discoveries, Plasmon system, And reveals a new path for performing control of quantum multi-particle systems. “

The work pursued by LSU’s Experimental Quantum Photonics Group, which brought about these new discoveries, was carried out at the Quantum Photonics Institute of Associate Professor Omar Magagnaro Isa.

“We designed metal nanostructures made of gold to produce different types of light,” says Hong. “Our nanoscale platform takes advantage of dissipativeness Plasmon A nearfield for inducing and controlling complex interactions in a many-body system of photons. With this function, you can freely control the quantum fluctuations of the multi-photon system. “

The possibility of manipulating light with different quantum mechanical properties has a profound effect on multiple quantum technologies.

“For example, our platform can reduce the quantum fluctuations of multiphoton systems and increase the sensitivity of quantum sensing protocols,” says Magaña-Loaiza. “In our laboratory, we will use this exquisite degree of control to develop the following quantum simulations. Light shipping. This will ultimately allow for better and more efficient solar cell designs. ”


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For more information:
Chenglong You et al, Observation of revisions to quantum statistics in the plasmon system, Nature Communications (2021). DOI: 10.1038 / s41467-021-25489-4

Quote: Nanoscale system for producing various forms of light (August 27, 2021), obtained from https://phys.org/news/2021-08-nanoscale.html on August 27, 2021 it was done.

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Nanoscale system for producing various forms of light

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