A diagram illustrating the "write" phase in the quantum memory.
Timing of the optical writing, write and read signals. (Photo: Haruka Tanji, Saikat Ghosh, Jonathan Simon, Benjamin Bloom, and Vladan Vuletic)
Scientists are rapidly achieving important breakthroughs in quantum computing, from obtaining precise manipulation of four photons at the same time to the very first quantum processors. But just like in traditional electronics, a quantum computer can't be realized with information processing alone — we need a reliable way to store and retrieve quantum information too. A new breakthrough by MIT researchers represents a step forward in acheiving this goal of high-fidelity quantum memory.
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