砷化镓中的双光子光伏效应。
Two-photon photovoltaic effect in gallium arsenide.
作者信息
Ma Jichi, Chiles Jeff, Sharma Yagya D, Krishna Sanjay, Fathpour Sasan
出版信息
Opt Lett. 2014 Sep 15;39(18):5297-300. doi: 10.1364/OL.39.005297.
The two-photon photovoltaic effect is demonstrated in gallium arsenide at 976 and 1550 nm wavelengths. A waveguide-photodiode biased in its fourth quadrant harvests electrical power from the optical energy lost to two-photon absorption. The experimental results are in good agreement with simulations based on nonlinear wave propagation in waveguides and the drift-diffusion model of carrier transport in semiconductors. Power efficiency of up to 8% is theoretically predicted in optimized devices.
在砷化镓中，于976纳米和1550纳米波长下证实了双光子光伏效应。一个在第四象限偏置的波导光电二极管从因双光子吸收而损失的光能中获取电能。实验结果与基于波导中的非线性波传播以及半导体中载流子输运的漂移 - 扩散模型的模拟结果高度吻合。理论上预测，在优化的器件中功率效率可达8%。
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