AI Insight
Researchers from Skoltech, ITMO University, and HSE University have successfully demonstrated the first electrically pumped polariton laser using a solution-processed halide perovskite microcrystal. This breakthrough solves a long-standing challenge in semiconductor physics by enabling direct electrical pumping of polariton lasers, which previously required optical pumping methods. The device operates under continuous electric current and uses inexpensive, nonepitaxial materials.
Why it matters
This advancement could lead to cheaper, more practical laser diodes for various applications including optical sensing, spectroscopy, high-speed computing, and energy-efficient neuromorphic computing. The use of solution-processed materials eliminates the need for expensive epitaxial growth techniques, potentially making advanced laser technology more accessible and cost-effective.
Understand the Science
Resolving a long-standing problem in semiconductor physics and optoelectronics, a team of researchers from Skoltech—a VEB.RF group institution—and their colleagues from ITMO University and HSE University have for the first time demonstrated direct electrical pumping of a polariton laser based on a solution-processed halide perovskite microcrystal. Published in Nature, this solution to a decades-long technological challenge ushers in inexpensive nonepitaxial laser diodes operating under continuous electric current. These could be used in optical sensing and spectroscopy, high-speed computing and energy-efficient neuromorphic computing.
Source: First electrically pumped perovskite polariton laser diode solves a decades-long challenge