Tiny on-chip circuit could power next-generation quantum and AI technologies

May 26, 2026 - 12:34

Researchers at Monash University have unveiled a nanoscale circuit that could serve as a building block for the next generation of quantum and artificial intelligence technologies. The device is capable of generating, directing, and reading light-based information all on a single chip, a feat that has long been a challenge in the field of photonics.

The new circuit operates at the nanoscale, meaning it is small enough to be integrated into existing silicon-based electronics. Unlike traditional electronic circuits that rely on electrons to carry data, this design uses photons, or particles of light. Light-based communication is faster and generates less heat, making it ideal for high-performance computing tasks such as those required by AI algorithms and quantum processors.

One of the key breakthroughs is the circuit's ability to control light in multiple ways simultaneously. It can produce light signals, steer them along precise paths, and then interpret the information they carry. This eliminates the need for separate components that are typically larger and less efficient.

The researchers believe this could lead to chips that process data at speeds far beyond what is possible today, while using a fraction of the energy. For quantum computing, where information is stored in fragile quantum states, the ability to manipulate light on a chip could help stabilize and scale up these systems. For AI, faster data transfer means more complex models can be trained in less time.

The team is now working on ways to manufacture the circuit using standard semiconductor processes, which would allow it to be produced at scale. While commercial products are still years away, the research marks a significant step toward practical, light-based computing.