Today at Berkeley Lab

Researchers Discover Universal Law for Light Absorption in 2D Semiconductors

Ali Javey and Eli Yablonovitch of the Materials Sciences Division led the discovery of a universal law of light absorption for 2D semiconductors that not only provides new insight into the optical properties of these materials, but should also open doors to exotic new optoelectronic and photonic technologies. Working at the Advanced Light Source with indium arsenide, they discovered a quantum unit of photon absorption, dubbed “AQ,” of approximately 1.7-percent as absorption steps up from one energy band to the next. Also on this study were Hui Fang, Hans Bechtel, Elena Plis, Michael Martin and Sanjay Krishna. More>

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