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September 5, 2025NatureOpen Access

Electrically driven lasing from a dual-cavity perovskite device

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Demonstrates a new electrically driven perovskite laser with low threshold and high efficiency, indicating potential for advanced applications.

The dual-cavity perovskite device achieves a minimum lasing threshold of 92 A cm-2, enabling efficient light emission.
Directional emission from the microcavity LED sub-unit to the single-crystal perovskite sub-unit is key for establishing lasing action.
An operational half-life of 1.8 h is reached, surpassing the durability of existing organic laser systems.
The device can be modulated at a bandwidth of 36.2 MHz, suggesting its utility in rapid data transmission.

Zou et al. (2025) studied this question.

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Demonstrates a new electrically driven perovskite laser with low threshold and high efficiency, indicating potential for advanced applications.