Future quantum electronics will differ substantially from conventional electronics. Whereas memory in the latter is stored as binary digits, the former is stored as qubits, which can take many forms, such as entrapped electrons in nanostructures known as quantum dots. However, challenges in transmitting this information to anything further than the adjacent quantum dot have limited qubit design.

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Researchers have developed a new technology for transmitting quantum information over short distances, which could improve the functionality of future quantum electronics. By coupling a few electrons in quantum dots to an electrical circuit, they were able to transmit quantum information using common semiconductor manufacturing techniques.

Researchers solve a foundational problem in transmitting quantum information