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Microsoft Technology

Microsoft Performs Operations With Multiple Error-Corrected Qubits (arstechnica.com) 14

Microsoft today announced significant strides in its Azure Quantum Cloud service, including the demonstration of logical operations using the largest number of error-corrected qubits ever achieved. This progress brings the industry closer to building reliable quantum computers capable of solving complex problems beyond the reach of classical systems, the company said.

In a significant partnership, Microsoft is collaborating with Atom Computing to integrate their neutral-atom hardware into Azure Quantum. Atom Computing has already shown promise with hardware exceeding 1,000 qubits. Key to Microsoft's advancements is the implementation of the "tesseract code" error correction scheme on Quantinuum's trapped-ion quantum hardware. This led to a 22-fold reduction in error rates, a critical step towards reliable quantum computations. Microsoft is also committed to simplifying quantum programming. Azure's Q# language will now automatically handle complex error correction, making quantum development more accessible.
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Microsoft Performs Operations With Multiple Error-Corrected Qubits

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  • ... or maybe not.
    The new Clippy, probably.

  • Who writes these summaries? As the article says, it's 12 logical "highly reliable" qubits. The number 1,000 appears in a different article. It doesn't say how many hardware qubits those 12 logical qubits need, or how reliable "highly reliable" is. But 12 bits is enough for a single number between 0 and 4095 -- they' s in superposition, sure, but um... I'm not sure how much "end-to-end chemistry simulation" you can do with a single 12-bit number, even if it's a quantum superposition of numerous 12-bit number
    • Itâ(TM)s 1000 qubits, that are combined to make 12 logical
      Qubits. Logical qubits are like minority report - they all get the same data, and make their own calculations, then compare them against each other to see if the majority agrees on the same answer.

      The more qubits you have bound together to support the logical qubit, the less errors you get.

    • Re:It's 12 qubits (Score:4, Informative)

      by gweihir ( 88907 ) on Tuesday September 10, 2024 @02:02PM (#64777633)

      Shor's algorithm requires, conservatively estimated, 3x the error corrected qbits of what it factors. Hence this thing can factor number up to 16! Great. My 35 year old programmable pocket calculator could factor up to 10^20 (64 bit) running on batteries.

      Expect more great performance wins like these for the next decades of quantum "computing".

      Incidentally, the 1000 raw qbits could well be what is needed to implement the 12 error-corrected qbits. This stuff scales exceptionally badly. Badly enough that it may never be able to beat that old pocket calculator of mine.

  • MS is desperately trying to stay relevant these days. They cannot compete on merit, so they do stuff like this.

    • by HBI ( 10338492 )

      Business units justifying their headcount. You don't realize how warped things look inside that world. In the world of MSFT product groups, the real world implications of what they do rarely register. They don't expect you to be impressed. This is a bullet point to make sure that the layoff axe doesn't hit a group involved in Azure.

      • by gweihir ( 88907 )

        Makes sense. Well, I always managed to avoid to be employed at a large enterprise (except for once for half a year and then I quit and I did not apply for that job in the first place), so I am not familiar with that utterly broken "management" style. Explains a lot about the "quality" of MS products though.

    • Stay relevant? You are free to spew BS like a republican presidential candidate and morons can lap it up, but unless you plan to show up with an actual argument I conclude you are a clown
  • by Joreallean ( 969424 ) on Tuesday September 10, 2024 @02:38PM (#64777751)

    Reminds me of the USENET days and hoping that I could download enough parts to complete the set and quantum unrar my data.

  • Maybe I should have invested all my life savings in ugly monkey pictures because I have been told they are quantum cryptic proof.

Never test for an error condition you don't know how to handle. -- Steinbach

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