Microsoft has introduced Majorana 1, the world’s first quantum chip leveraging a revolutionary Topological Core architecture. This innovation is expected to bring practical quantum computing solutions within reach in years rather than decades.
The Power of Topoconductors
The Majorana 1 chip utilises a groundbreaking topoconductor, a new material capable of controlling Majorana particles to generate stable and scalable qubits — the fundamental units of quantum computing.
“We took a step back and said ‘OK, let’s invent the transistor for the quantum age. What properties does it need to have?’” said Chetan Nayak, Microsoft technical fellow. “And that’s really how we got here – it’s the particular combination, the quality, and the important details in our new materials stack that have enabled a new kind of qubit and ultimately our entire architecture.”
Paving the Way to a Million-Qubit System
Microsoft’s innovative approach offers a clear path to scaling one million qubits on a single chip small enough to fit in the palm of a hand. This level of processing power could tackle real-world challenges, from breaking down microplastics to creating self-healing materials for industries like construction and healthcare.
“Whatever you’re doing in the quantum space needs to have a path to a million qubits. If it doesn’t, you’re going to hit a wall before you get to the scale at which you can solve the really important problems that motivate us,” Nayak added. “We have actually worked out a path to a million.”
A New State of Matter
The topoconductor is a unique material capable of creating a completely new topological state, distinct from solids, liquids, and gases. This enables qubits that are more stable, fast, and digitally controllable — a significant improvement over existing methods.
A peer-reviewed paper in Nature confirms that Microsoft researchers successfully created and measured these exotic quantum properties, marking a crucial step toward practical quantum computing.
Industry Validation and Commercial Applications
Microsoft’s decision to pursue topological qubits—despite the high-risk, high-reward nature of the endeavour — is paying off. The company has integrated eight topological qubits onto a chip designed for large-scale deployment.
“From the start, we wanted to make a quantum computer for commercial impact, not just thought leadership,” said Matthias Troyer, Microsoft technical fellow. “We knew we needed a new qubit. We knew we had to scale.”
A Leap Towards Utility-Scale Quantum Computing
The U.S. Defense Advanced Research Projects Agency (DARPA) has included Microsoft in a rigorous program evaluating whether innovative quantum computing technologies can be commercialised faster than previously expected.
Microsoft is now among only two companies moving to the final phase of DARPA’s US2QC program, which aims to deliver the world’s first fault-tolerant, utility-scale quantum computer.
The Future: AI Meets Quantum Computing
Microsoft is also collaborating with Quantinuum and Atom Computing to advance hybrid applications combining AI and quantum computing.
By leveraging Azure Quantum’s integrated tools, businesses can develop quantum skills, drive discoveries, and explore solutions once deemed impossible—from eradicating global hunger to designing self-repairing materials and revolutionising scientific research.
“Any company that makes anything could just design it perfectly the first time out. It would just give you the answer,” Troyer stated. “The quantum computer teaches the AI the language of nature so the AI can just tell you the recipe for what you want to make.”
Rethinking Quantum Computing at Scale
Traditional quantum systems struggle with qubit instability and environmental interference. Microsoft’s topological qubit offers a more robust and scalable alternative, providing stability while simplifying the quantum computing process through digital control.
The company’s progress validates its long-term vision of designing quantum materials atom by atom, ensuring a faster path to scale and unlocking new frontiers in computing.
“It’s one thing to discover a new state of matter,” Nayak concluded. “It’s another to take advantage of it to rethink quantum computing at scale.”