IBM reveals plans for 'quantum fridges' — its next-gen cooling hardware, which could be the key to quantum computers finally reaching their potential

IBM has unveiled its latest innovation in quantum computing - a new type of cooling hardware designed to push the boundaries of quantum computing. The company's engineers connected two cryogenic modules in a single environment, cooling the combined system to a temperature below 15 millikelvin, which is more than 180 times colder than deep space.

This achievement is a crucial step towards IBM's goal of delivering a fault-tolerant quantum computer by 2029. The company has modified the traditional cylindrical cryostats, replacing them with box-shaped, solid aluminum cells that are roughly three times the size of a kitchen fridge. These new cells offer up to twelve times more wiring area and allow modules to be placed side by side with shorter interconnects.

The new cryogenic cells have a protected cryogenic tunnel formed by multiple layers of thermal shielding, which keeps the link between processors at operating temperature. This design allows IBM to run two previously independent cooling cells as one low-temperature environment, significantly increasing the wiring space and vacuum chamber volume per cell.

IBM plans to install Nighthawk chips later this year and has a roadmap that aims to achieve 1,000 programmable qubits by 2027 and establish fault tolerance by 2029. While this target is ambitious, IBM's new cooling hardware represents a significant leap forward in quantum computing technology, potentially unlocking the full potential of these powerful machines.