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An electrical injection metallic cavity nanolaser with azimuthal polarization

机译:具有方位极化的电注入金属腔纳米激光器

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摘要

We demonstrated for the first time an azimuthally polarized laser source from an electrically driven metallic cavity nanolaser with a physical cavity volume of 0.146 λ3 (λ = 1416 nm). Single TE01 mode lasing at 78 K was achieved by taking the advantages of the large free spectral range in such nanoscale lasers and the azimuthal polarization of lasing emission was verified experimentally. Mode shift controlled by device cavity radius was observed over a large wavelength range from 1.37 μm to 1.53 μm. Such metallic cavity nanolaser provides a compact electrically driven laser source for azimuthally polarized beam.
机译:我们首次展示了来自电驱动金属腔纳米激光的方位偏振激光源,其物理腔体积为0.146λ 3 (λ= 1416 nm)。利用这种纳米级激光器的自由光谱范围大的优点,实现了在78 K处的单TE 01 模式激光发射,并通过实验验证了激光发射的方位偏振。在1.37μm至1.53μm的较大波长范围内观察到由器件腔半径控制的模式偏移。这种金属腔纳米激光为方位偏振光束提供了紧凑的电驱动激光源。

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