New quantum technologies based on x-rays
Quantum states of radiation can be utilized to improve many types of measurements in comparison with their classical counterparts. For example, in quantum imaging, the quantum correlation between photon pairs is utilized to image an object with a small number of photons with high contrast. These concepts can be very beneficial for x-rays since they are a form of ionizing radiation that lead to radiation damage even at moderate dose levels. However, thus far, no one has reported on any quantum measurement with x-rays. In this work Prof. Sharon Shwartz's research group show for the first time the quantum nature of x-ray photons and use the strong quantum correaltion between photon pairs that they generated to image an object with a small number of photons. Their results open new possibilities to explore fundamental quantum physics and advance the developments of new quantum technologies based on x-rays.
The article published at Physical Review X
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