Opinion: Democratizing Spin Qubits
I've been building Powerpoint-based quantum computers with electron spins in silicon for 20 years. Unfortunately, real-life-based quantum dot quantum computers are harder to implement. Materials, fabrication, and control challenges still impede progress. The way to accelerate discovery is to ma...
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Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften
2021
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oai:doaj.org-article:604f28bb762f4f63be2555cab4e6748b2021-11-18T11:12:50ZOpinion: Democratizing Spin Qubits2521-327X10.22331/q-2021-11-18-584https://doaj.org/article/604f28bb762f4f63be2555cab4e6748b2021-11-01T00:00:00Zhttps://quantum-journal.org/papers/q-2021-11-18-584/pdf/https://doaj.org/toc/2521-327XI've been building Powerpoint-based quantum computers with electron spins in silicon for 20 years. Unfortunately, real-life-based quantum dot quantum computers are harder to implement. Materials, fabrication, and control challenges still impede progress. The way to accelerate discovery is to make and measure more qubits. Here I discuss separating the qubit realization and testing circuitry from the materials science and on-chip fabrication that will ultimately be necessary. This approach should allow us, in the shorter term, to characterize wafers non-invasively for their qubit-relevant properties, to make small qubit systems on various different materials with little extra cost, and even to test spin-qubit to superconducting cavity entanglement protocols where the best possible cavity quality is preserved. Such a testbed can advance the materials science of semiconductor quantum information devices and enable small quantum computers. This article may also be useful as a light and light-hearted introduction to quantum dot spin qubits.Charles TahanVerein zur Förderung des Open Access Publizierens in den QuantenwissenschaftenarticlePhysicsQC1-999ENQuantum, Vol 5, p 584 (2021) |
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DOAJ |
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DOAJ |
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EN |
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Physics QC1-999 |
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Physics QC1-999 Charles Tahan Opinion: Democratizing Spin Qubits |
| description |
I've been building Powerpoint-based quantum computers with electron spins in silicon for 20 years. Unfortunately, real-life-based quantum dot quantum computers are harder to implement. Materials, fabrication, and control challenges still impede progress. The way to accelerate discovery is to make and measure more qubits. Here I discuss separating the qubit realization and testing circuitry from the materials science and on-chip fabrication that will ultimately be necessary. This approach should allow us, in the shorter term, to characterize wafers non-invasively for their qubit-relevant properties, to make small qubit systems on various different materials with little extra cost, and even to test spin-qubit to superconducting cavity entanglement protocols where the best possible cavity quality is preserved. Such a testbed can advance the materials science of semiconductor quantum information devices and enable small quantum computers. This article may also be useful as a light and light-hearted introduction to quantum dot spin qubits. |
| format |
article |
| author |
Charles Tahan |
| author_facet |
Charles Tahan |
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Charles Tahan |
| title |
Opinion: Democratizing Spin Qubits |
| title_short |
Opinion: Democratizing Spin Qubits |
| title_full |
Opinion: Democratizing Spin Qubits |
| title_fullStr |
Opinion: Democratizing Spin Qubits |
| title_full_unstemmed |
Opinion: Democratizing Spin Qubits |
| title_sort |
opinion: democratizing spin qubits |
| publisher |
Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften |
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2021 |
| url |
https://doaj.org/article/604f28bb762f4f63be2555cab4e6748b |
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