基于有机微激光阵列的双通道光子鼻

Artificial photonic noses have great potential in gas detection. However, current artificial photonic noses based on broadband light absorption and emission face the challenge of low detection sensitivity. Here, we propose the construction of novel photon noses based on organic microlaser arrays. The narrow linewidth of lasers significantly enhances gas sensing sensitivity, while dual-channel sensing of laser wavelength and mode spacing improves the capability to distinguish similar gases. The dual variations in wavelength and mode spacing of organic microlaser arrays in response to volatile organic compounds (VOCs) produce unique response patterns. Pattern recognition algorithms successfully identify various single and mixed VOC gases. This work demonstrates the potential of organic microlaser arrays for the development of next-generation artificial photon nose technology.