Physics

Scientists connect two quantum computers using superconducting cables to boost power

How the science connects

Quantum computingSuperconductivityQuantum entanglement

AI Insight

Researchers have successfully connected two separate quantum processors using four superconducting cables, enabling them to function as a single, larger quantum computer. This modular approach addresses a key challenge in quantum computing: scaling up systems while preserving delicate quantum information during transmission between processors. The superconducting cables maintain the integrity of quantum states as they transfer between the separate processing units.


This breakthrough demonstrates a viable path toward building larger, more powerful quantum computers by linking smaller modules rather than constructing single massive processors. The modular architecture could make quantum systems more practical to build, maintain, and scale, potentially accelerating progress toward quantum computers capable of solving complex real-world problems.


As quantum computers grow more ambitious, many researchers believe the best way forward is to build them in multiple interconnected parts. In these modular designs, separate quantum processors are linked so they can work together as one larger machine. For this to happen, however, connections must carry fragile quantum information without destroying it.

Source: Four superconducting cables link two large quantum processors into one