{"id":99490,"date":"2025-05-14T01:03:06","date_gmt":"2025-05-14T01:03:06","guid":{"rendered":"https:\/\/www.europesays.com\/uk\/99490\/"},"modified":"2025-05-14T01:03:06","modified_gmt":"2025-05-14T01:03:06","slug":"alternative-approach-offers-low-cost-energy-efficient-way-to-study-light-matter-interactions","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/uk\/99490\/","title":{"rendered":"Alternative approach offers low-cost, energy-efficient way to study light-matter interactions"},"content":{"rendered":"

\"Researchers<\/p>\n

Gaining insights into polariton dynamics. This image captures a laser beam interacting with polariton microcavities, revealing how polaritons help protect emitting materials from brightness loss. Credit: Mikael Nyberg<\/p>\n

Researchers at the University of Turku in Finland have developed a simple method to explore a complex area of quantum science. The discovery makes research in this field cheaper and more accessible, which could significantly impact the development of future laser, quantum and high-tech display technologies.<\/p>\n

A team of researchers developed a new method for fabricating small structures known as optical microcavities. These structures allow scientists to study how light interacts with matter in a very precise process that can lead to the creation of novel quantum states called polaritons. Polaritons are unusual hybrid particles made from light and matter.<\/p>\n

The results have been published<\/a> in the journal Advanced Optical Materials.<\/p>\n

This innovative approach provides a low-cost, energy-efficient alternative to traditional vacuum-based fabrication, making quantum and photonics research more accessible.<\/p>\n

Polariton microcavities are fundamental for understanding the interactions between light and matter. Moreover, they are crucial for emerging technologies, including ultra-efficient lasers, quantum optics, and next-generation screens.<\/p>\n

Until now, conventional fabrication has required expensive and energy-intensive vacuum deposition processes, such as sputtering and evaporation. This has limited the technology’s scalability and accessibility.<\/p>\n

Now, the researchers have revolutionized the field by introducing a solution-processed method that utilizes a basic dip coating and spin coating technique to fabricate polariton microcavity without the need for expensive vacuum-based techniques.<\/p>\n

“Our approach makes it a lot easier to study strong light-matter interactions, because we offer a method that is simple, cheap, and far less energy-intensive than existing methods. We have eliminated the need for vacuum-based techniques without compromising performance, and that makes strong light-matter interaction studies more accessible to the researchers,” says Associate Professor Konstantinos Daskalakis.<\/p>\n

Beyond simplifying fabrication, the researchers managed to directly measure emitted light from polaritons. This provides significant insight into polariton dynamics.<\/p>\n

This capability allowed the team to observe polaritons suppressing bimolecular annihilation in organic emitters\u2014a key process that reduces light emission efficiency and contributes to long-term material degradation.<\/p>\n

“Being able to measure light coming from polaritons made it possible for us to see how the presence of polaritons reduces emission bleaching. This is a critical step in understanding and improving the performance of polaritonic devices,” explains Doctoral Researcher Hassan Ali Qureshi.<\/p>\n

With this innovative approach of combining accessibility, energy efficiency<\/a>, and observing the polariton dynamics, the researchers have significantly expanded the potential of polariton<\/a> microcavity research.<\/p>\n

This method also opens new possibilities for studying sensitive organic materials and developing more stable, efficient light-emitting technologies.<\/p>\n

More information:<\/strong>
\n\t\t\t\t\t\t\t\t\t\t\t\tHassan A. Qureshi et al, Giant Rabi Splitting and Polariton Photoluminescence in an all Solution\u2010Deposited Dielectric Microcavity, Advanced Optical Materials (2025). DOI: 10.1002\/adom.202500155<\/a><\/p>\n

\n\t\t\t\t\t\t\t\t\t\t\t\t\tProvided by
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tUniversity of Turku<\/a>
\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n

\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n

\n\t\t\t\t\t\t\t\t\t\t\t\tCitation<\/strong>:
\n\t\t\t\t\t\t\t\t\t\t\t\tAlternative approach offers low-cost, energy-efficient way to study light-matter interactions (2025, May 13)
\n\t\t\t\t\t\t\t\t\t\t\t\tretrieved 13 May 2025
\n\t\t\t\t\t\t\t\t\t\t\t\tfrom https:\/\/phys.org\/news\/2025-05-alternative-approach-energy-efficient-interactions.html\n\t\t\t\t\t\t\t\t\t\t\t <\/p>\n

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