China Creates Polarization Photodetector Inspired by Desert Ant

China has created a polarization photodetector inspired by the behavior of desert ants. This innovative device mimics the unique navigation abilities of these insects, which utilize polarized light to orient themselves in their environment. The development highlights advancements in technology inspired by nature, potentially paving the way for new applications in various fields.

China Creates Polarization Photodetector Inspired by Desert Ant
Chinese researchers have created an on-chip integrated polarization photodetector, drawing inspiration from the distinctive polarization vision of desert ants.

The research, published in the journal Science Advances, was carried out by scientists at the Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences.

Polarization photodetectors (Pol-PDs) find extensive applications in fields such as geological remote sensing, machine vision, and biological medicine. However, commercially available Pol-PDs often require large, complex optical components, making them challenging to miniaturize and integrate.

The team studied desert ants, which can find their way home across featureless terrains by utilizing their compound eyes to detect polarized sunlight. They aimed to replicate this ability in their Pol-PD.

To achieve this, the researchers introduced a one-step nanoimprinting crystallization method, which they employed to create a high-crystalline perovskite single-crystal thin film featuring quadridirectional grating arrays with high throughput. This film served as the foundation for constructing a single-shot, on-chip Pol-PD without the need for additional polarization optics.

Li Mingzhu, a researcher at TIPC, noted that the nanoimprinting crystallization method offers a novel and universal solution for producing patterned perovskite single-crystal thin films with high optoelectronic performance and exceptional light regulation capabilities.

She explained that this approach paves the way for using bio-inspired single-shot Pol-PDs to develop a simple, cost-effective, and highly sensitive polarization imaging system.

Li also emphasized that it offers a pathway for the advancement of highly sensitive, miniaturized, on-chip integrated polarization imaging systems.

Sanya Singh contributed to this report for TROIB News