Disordered Design Enhances Device Functionality
Researchers at Monash University have developed a groundbreaking approach to optical device design by utilising controlled disorder to boost functionality. Published on April 10th in Nature Communications, the study introduces ‘disordered mosaic metasurfaces’ which provide unprecedented multifunctionality within a single device.
Revolutionizing Optical Technologies
The team from the School of Physics and Astronomy discovered that a mosaic-like pattern of structures in optical devices increases their power and versatility without adding complexity. Traditionally, designs relied on perfect order, but this approach departs from that convention entirely.
“Disorder is usually something engineers try to eliminate,” stated Dr. Haoran Ren, ARC Future Fellow at Monash NanoMeta Group. “But we found that if you design it carefully, disorder can actually enhance what these devices can do.”
The researchers employed a disordered ‘mosaic’ layout, which reduces the area needed for each function, allowing for additional capabilities without increasing device size. For example, they built a new type of optical lens that functions across a wide range of wavelengths and eliminates chromatic aberration, integrating 11 distinct optical functions into a single surface.
Dr. Ren emphasised the new way of thinking about optical design, saying, “We’re no longer limited by the idea that one device equals one function.” Dr. Chi Li, the study’s first author, compared the design to urban planning, where multiple functions coexist efficiently.
The team’s work also demonstrated enhanced imaging capabilities, capturing detailed polarized light data instantly, a task that traditionally required multiple measurements. This advancement has significant implications for industries such as biomedical diagnostics, telecommunications, and environmental sensing, where compact, multifunctional devices are essential.
Conducted at the Monash Nanophotonics Laboratory, the research involved collaboration with Dr. Changxu Liu at the University of Exeter, Professor Stefan Maier, and Professor Andrew Forbes’ group at the University of the Witwatersrand. This international collaboration highlights the global impact of their findings, which challenge traditional photonics assumptions by showing that engineered disorder can outperform order.
Last updated: 11 April 2026, 4:49 pm
