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Scientists at PolyU utilize quantum microprocessor chips

Quantum computing is a cutting-edge field that holds immense potential for revolutionizing various industries and scientific disciplines. One of the key areas where quantum computing can make a significant impact is in simulating molecular vibronic spectra. This complex task involves studying the vibrational and electronic properties of molecules, which is crucial for understanding molecular behavior and designing new materials.

Traditionally, simulating molecular vibronic spectra has been a computationally intensive process that is challenging to perform accurately using classical computers. Researchers have been exploring quantum computers and algorithms as a potential solution to this problem. However, they have faced limitations in simulating large and complex molecules due to low accuracy and inherent noise in quantum systems.

A recent breakthrough in quantum technology by a team of engineering researchers at The Hong Kong Polytechnic University (PolyU) has paved the way for more accurate and efficient simulation of molecular vibronic spectra. Led by Liu Ai-Qun, Chair Professor of Quantum Engineering and Science and Director of the Institute for Quantum Technology (IQT), and PolyU Global STEM Scholar, the research team has developed a quantum microprocessor chip specifically designed for molecular spectroscopy simulation.

The research, published in Nature Communications, showcases the world’s first quantum microprocessor chip capable of simulating actual large-structured and complex molecules. This achievement is a significant milestone in quantum computing, as it opens up new possibilities for solving complex quantum chemistry problems that are beyond the capabilities of classical computers.

The quantum microprocessor chip developed by the PolyU research team utilizes a novel approach that incorporates a linear photonic network and squeezed vacuum quantum light sources to simulate molecular vibronic spectra. This 16-qubit quantum microprocessor chip is integrated into a single chip and is equipped with a complete system that includes hardware integration, software development, and underlying quantum algorithms.

Dr. Zhu Hui Hui, Postdoctoral Research Fellow of the Department of Electrical and Electronic Engineering at PolyU and the first author of the research paper, highlights the potential of their quantum microprocessor chip in solving complex tasks such as simulating large protein structures and optimizing molecular reactions with improved speed and accuracy. This breakthrough technology could lead to quantum speed-ups in relevant quantum chemistry applications, offering a promising alternative to classical computing methods.

The implications of this research extend beyond molecular spectroscopy simulation, with potential applications in material science, chemistry, and condensed matter physics. The quantum microprocessor chip developed by the PolyU research team presents a promising technological alternative for quantum information processing, opening up new avenues for practical applications in molecular docking, quantum machine learning, and more.

In conclusion, the groundbreaking development of the quantum microprocessor chip for molecular spectroscopy simulation represents a significant advancement in quantum technology. This achievement marks a crucial step towards harnessing the power of quantum computing for solving complex scientific problems and driving innovation in various industries. The research team’s dedication to pushing the boundaries of quantum technology underscores the transformative potential of quantum computing in shaping the future of scientific research and technological advancements.

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