Quantum memory

Researchers develop platform to control qubits in silicon defects for quantum communications

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The dream of a quantum internet, one capable of unprecedented levels of security and computational power, is tantalizingly close. Making this dream a reality would be significantly more feasible if we could harness existing telecommunications technologies and infrastructure. Recently, researchers have made significant strides in this direction by exploring defects in silicon—a ubiquitous semiconductor material—as … Read more

Quantum system-on-chip architecture for large-scale quantum computing

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Quantum computers hold the promise of solving extremely complex problems rapidly—tasks that could take the world’s most powerful supercomputers decades to crack. However, achieving such performance requires building a system with millions of interconnected qubits. The creation and control of such vast numbers of qubits in a hardware architecture is a formidable challenge that scientists … Read more

Scientists achieve quantum information storage and retrieval for the first time

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Researchers have produced, stored, and retrieved quantum information for the first time, a critical step in quantum networking. The ability to share quantum information is crucial for developing quantum networks for distributed computing and secure communication. Quantum computing will be useful for solving some important types of problems, such as optimizing financial risk, decrypting data, … Read more

New europium compound identified as potential candidate for quantum memory applications

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In the quest to develop quantum computers and networks, there are many components that are fundamentally different than those used today. Like a modern computer, each of these components has different constraints. However, it is currently unclear which materials can be used to construct those components for the transmission and storage of quantum information. In … Read more

Mass-producible quantum memory paves the way for secure communication and quantum computing

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The University of Basel has achieved a significant milestone in quantum technology by constructing a quantum memory element utilizing atoms confined within a minute glass cell. This breakthrough opens the door to a future where quantum memories could be produced on a mass scale, potentially on a wafer. In envisioning a world driven by quantum … Read more

Can quantum teleportation become a reality?

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Quantum teleportation, a concept that once belonged solely to the realm of science fiction, has become a fascinating and actively researched area in quantum physics. While it might not resemble the teleportation seen in movies or TV shows, quantum teleportation holds the potential to revolutionize secure communication and quantum computing. To explore the possibility of … Read more

Quantum repeaters: The key to unlocking the power of quantum networks

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The classic children’s game of telephone operates on a simple premise: one person starts by whispering a message to the next player, who then passes it along, and so on until the final recipient announces the message to the group. Often, what the initial person said and what the last person heard are hilariously different; … Read more

Physicists use noise-cancelling technique to extend coherence times of nuclear-spin qubits

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For years, scientists have been striving to extend the duration of quantum bits, or qubits, maintaining their delicate quantum states. This endeavor is pivotal in the development of quantum technologies like sensors, gyroscopes, and memory devices. A team of physicists at MIT, led by Ju Li and Paola Cappellaro, made a significant leap in this … Read more

IBM quantum develops system to dramatically improve error-detection in quantum computing

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Quantum computing stands on the cusp of propelling the digital revolution to unprecedented heights. The potential for accelerated processing opens doors to instant health diagnostics, rapid pharmaceutical advancements, swifter AI responses for tasks like autonomous driving and space exploration, optimized traffic management, enhanced turbulence navigation for aircraft, faster weather forecasting, and streamlined supply chain systems. … Read more