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This year, I visited the Quantum Corner at Nvidia GTC, determined to wrap my mind around what had until now been a very scary topic for me: quantum computers.
This technology promises to revolutionize industries such as finance, cybersecurity, chemistry, and more. However, to get there, he needs to solve some very difficult problems.
One of the questions that continues to linger in the world of quantum computing is what exactly should qubits be made of? Classic computer bits are anything that exists in a binary state (either 0 or 1, true or false). It is often physically represented as an electrical charge that is either on or off.
A top-down view of a quantum computer trapped in Quantinuum.
Qubits are anything that can be in one or both states at the same time. This occurs in nature, with particles, and can also be engineered using special circuits.
At Nvidia GTC, I saw quantum computers built around neutral atoms (without charge), ions (with charge), photons (particles of light), and geometric quantum circuits.
PsiQuantum’s photon-based quantum computer design takes advantage of the existing semiconductor industry.
Each type of quantum computer has its advantages, but none has become the ultimate means of building one.
For a detailed explanation of each of the four quantum computers we encountered, as well as how you can connect your classical computer to a real quantum computer via the cloud, watch the video in this article.
Watch this: 4 competing visions for quantum computers on display at Nvidia GTC