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ghaffyesterday at 1:30 PM1 replyview on HN

I've been out of the space for a bit. IBM has been betting on the engineered superconducting approach, which makes sense given their background, but there are other options, often for potentially different problem areas. Need to dive back in.


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ktallettyesterday at 9:28 PM

The superconducting approach is great in principle but has so many issues that need to be solved, from cooling, to energy to cool, to max number of qubits before you can't cool to operating temperature, before optimal connectivity to rest of system and so on. I am of the view photonics is the way forward but as you say, it will depend on the task at hand partially.

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