New microchip ushers in breakthrough for energy‑efficient quantum computing
A revolutionary microchip promises to accelerate the development of quantum computing. The chip precisely regulates laser frequencies while consuming barely any power. The tiny device, nearly 100 times thinner than a human hair, is produced using standard manufacturing techniques, enabling mass production. That paves the way for more powerful quantum machines, according to a report in ScienceDaily.
The core of this innovation lies in the ability to use microwave oscillations, which vibrate billions of times per second, to manipulate laser light with exceptional precision. This precise control over the phase of the laser makes it possible to generate new frequencies that are both stable and efficient. Those are crucial properties for quantum computing and emerging fields such as quantum sensing and networking.
Current methods for achieving these precise frequency shifts depend on bulky, power-hungry devices that are unsuitable for large-scale quantum computers. The new microchip addresses this challenge by using far less microwave power, generating minimal heat, and allowing for a denser stacking of channels.
What’s more, the device is made with the same technology used for chips in modern smartphones and computers. This scalability means that thousands or even millions of identical devices can be produced, meeting the requirements of future quantum-computing architectures.
The researchers are currently working on integrating additional functionalities into a single chip, such as frequency filtering and pulse shaping. They also plan to collaborate with quantum-computing companies to test these chips in advanced quantum systems.
The team believes this microchip is a crucial step toward a fully scalable photonic platform. Such a platform must be capable of controlling large numbers of qubits, bringing us closer to the realisation of powerful quantum computers.
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