On August 27th, a team led by Professor Dawei Di, Researcher Chen Zou and Professor Baodan Zhao from the College of Optical Science and Engineering at Zhejiang University developed the world's first electrically driven perovskite laser. The relevant research results were published in Nature under the title "Electrically driven lasing from a dual-cavity perovskite device". Zou Chen is the first author of the paper. Dawei Di, Zou Chen and Zhao Baodan are the corresponding authors. Zhejiang University is the sole completing institution of this research.

In this work, we demonstrate electrically driven lasing from a dual-cavity perovskite device, which integrates a low-threshold perovskite single-crystal microcavity sub-unit with a high-power microcavity PeLED sub-unit to form a vertically stacked multi-layer structure. Under pulsed electrical excitation, the dual-cavity perovskite device shows a low lasing threshold of about 92 A cm⁻² (at around 22 °C, in air), which is about 30 times lower than that recently reported for electrically driven integrated organic lasers (with a threshold of about 2.8 kA cm⁻²). The dual-cavity device architecture is essential for this demonstration. It allows the microcavity PeLED sub-unit to deliver concentrated optical power into the single-crystal perovskite microcavity sub-unit (at an inter-cavity optical coupling efficiency of 82.7%) to support the lasing action. The laser device shows an operational half-life (T₅₀) of 1.8 h (6.4 × 10⁴ voltage pulses at 10 Hz), exhibiting improved durability compared with electrically driven organic lasers. The dual-cavity perovskite laser can be rapidly modulated at a bandwidth of 36.2 MHz, indicating its possible applications in data transmission and computation.

The original link: https://doi.org/10.1038/s41586-025-09457-2