As the work on the quantum computer is advancing, the latest milestone achieved by the aQCess team was the successful trapping of single atoms.
Emma Frantz, research engineer on the aQCess platform, explains why this step matters: “In order to have working atomic qubits, the first step is to isolate individual atoms to be able to control their quantum state. First, many atoms are captured in an optical tweezer, experiencing a force that draws them to the focus of a laser beam. These atoms can then be excited by light from another laser, causing them to collide and leave the tweezer until only one or zero atoms remains. This requires careful tuning of the exciting light to get it just right, as well as a camera sensitive to only a few photons!”.
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