Keysight teams for quantum research in Japan

Keysight teams for quantum research in Japan

Business news |
By Nick Flaherty

Keysight Technologies and Japan’s National Institute of Advanced Industrial Science and Technology (AIST) have signed a Memorandum of Understanding (MoU) to collaborate on quantum research and to drive the industrialization of computing and sensing technologies.

Under the terms of the agreement, Keysight and AIST will focus extensively on exploring quantum control technologies, low-temperature electronics device technology, modelling and simulation, as well as the standardization of these in computing systems and sensing.

At the heart of the collaboration is the Global Research Centre for Quantum-AI Fusion Technology Business Development (G-QuAT) which will host a 1000qubit quantum computer. AIST worked with Yokohama National University, Tohoku University and NEC on a superconducting circuit that can control many qubits at low temperature.

In conventional quantum computers, microwave signals for controlling qubits are generated at room temperature and are individually transmitted to qubits at low temperature via different cables. This results in numerous cables between room and low temperature and limits the number of controllable qubits to approximately 1,000.

Instead, the superconducting circuit can control multiple qubits via a single cable using microwave multiplexing was successfully demonstrated in proof-of-concept experiments at 4.2 K in liquid helium. This circuit has the potential of increasing the density of microwave signals per cable by approximately 1,000 times, increasing the number of controllable qubits significantly and contributing to the development of large-scale quantum computers.

AIST will integrate and link the G-QuAT’s evaluation testbeds, device manufacturing capabilities, and computing infrastructure with Keysight’s quantum control technologies and 5G / 6G evaluation technologies.

“We’re in the early days of quantum, and while there is steady scientific progress, we need sustained collaboration among all members of the quantum community to make this a viable commercial technology,” said Dr. Eric Holland, General Manager for Keysight’s Quantum Engineering Solutions group.

“By formalizing a quantum collaboration with our long-time partner AIST, Keysight will be able to help quantum move forward as an industry with our unique expertise and solutions.”

“Japan has an ambitious 10-year plan to become a leader in quantum and Keysight is synergistically aligned to help deliver on these plans,” said Holland. “Linking our quantum control technologies to the G-QuAT facility will truly make it a world-class quantum research facility.”

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