A square of qubits
QuTech researchers in Menno Veldhorst’s group have rediscovered germanium as a promising platform for quantum bits (qubits). Germanium was originally used as a raw material for transistors, but was later widely replaced by silicon. In their latest publication in Nature (A four-bit germanium quantum processor), the researchers present a functional unit of 4 quantum bits in a square. In 2019, the group made the first qubit in germanium, indicating a doubling every year.
In this short video, science journalist Martijn van Calmhout discusses the achievement with research leader Dr Menno Veldhorst, postdoc Dr Giordano Scappucci and PhD student Nico Hendrickx.
More in the QuTech press release.
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