The Quantum Stack Weekly

Quantum Leaps in 2025: Logical Qubits, Specialized Computers, and the Race for Supremacy


Listen Later

This is your The Quantum Stack Weekly podcast.

Hey there, I'm Leo, your go-to expert for all things quantum computing. Let's dive right into the latest developments. As we celebrate Valentine's Day in 2025, the quantum computing world is buzzing with excitement. Just yesterday, Google's Hartmut Neven, founder and lead of Google Quantum AI, expressed optimism about seeing real-world quantum computer-powered applications within the next five years[4].

But let's talk about something even more recent. While I couldn't find a specific application announced in the last 24 hours, the trends for 2025 are clear. The financial industry is expected to be one of the earliest adopters of commercially useful quantum computing technologies. Companies like Google, Microsoft, and IBM are making significant strides in logical qubits, which are crucial for practical applications[1].

For instance, Google's Willow chip has demonstrated below-threshold error correction, lowering error rates as more physical qubits encode logical qubits. This is a significant step towards fault-tolerant quantum computing. Similarly, Microsoft and Quantinuum have entangled 12 logical qubits, a significant increase from six months prior, and have even simulated chemistry problems combining high-performance computing, artificial intelligence, and quantum computing[1].

Another trend is the development of specialized quantum computers for specific problems. Companies like Bleximo, Qilimanjaro, and QuiX are building application-specific quantum computers that can provide commercial advantages for specific tasks. This approach is expected to yield earlier commercial value compared to the pursuit of universal quantum computing[1].

Networking noisy intermediate-scale quantum (NISQ) devices together is also gaining momentum. Photonic has demonstrated distributed entanglement, linking qubits within separate quantum computers, while QuTech has connected two small quantum computers in different cities. IBM is working on L-couplers to scale its systems, having classically linked two 127-qubit quantum processors to create a virtual 142-qubit system[1].

These advancements are crucial for achieving quantum supremacy, where a quantum processor solves a problem that would take a classical computer an impractical amount of time. Google's Willow chip has already demonstrated quantum supremacy for a contrived task, a significant step towards practical applications[5].

As we move forward in 2025, the focus will be on scaling up quantum processors, improving qubit fidelity, and developing better error correction techniques. With the United Nations designating 2025 as the International Year of Quantum Science and Technology, the stakes are high, and the race to build the world's first full-scale quantum computer is heating up. Stay tuned for more updates from the quantum computing world.

For more http://www.quietplease.ai


Get the best deals https://amzn.to/3ODvOta
...more
View all episodesView all episodes
Download on the App Store

The Quantum Stack WeeklyBy Quiet. Please