Low-latency readout electronics for dynamic superconducting quantum computing
Dynamic quantum computing can support quantum error correction circuits to build a large general-purpose quantum computer, which requires electronic instruments to perform the closed-loop operation of readout, processing, and control within 1% of the qubit coherence time. In this paper, we present l...
| Main Authors: | , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC
2022-04-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/5.0088879 |
| _version_ | 1811256730583040000 |
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| author | Cheng Guo Jin Lin Lian-Chen Han Na Li Li-Hua Sun Fu-Tian Liang Dong-Dong Li Yu-Huai Li Ming Gong Yu Xu Sheng-Kai Liao Cheng-Zhi Peng |
| author_facet | Cheng Guo Jin Lin Lian-Chen Han Na Li Li-Hua Sun Fu-Tian Liang Dong-Dong Li Yu-Huai Li Ming Gong Yu Xu Sheng-Kai Liao Cheng-Zhi Peng |
| author_sort | Cheng Guo |
| collection | DOAJ |
| description | Dynamic quantum computing can support quantum error correction circuits to build a large general-purpose quantum computer, which requires electronic instruments to perform the closed-loop operation of readout, processing, and control within 1% of the qubit coherence time. In this paper, we present low-latency readout electronics for dynamic superconducting quantum computing. The readout electronics use a low-latency analog-to-digital converter to capture analog signals, a field-programmable gate array (FPGA) to process digital signals, and the general I/O resources of the FPGA to forward the readout results. Running an algorithm based on the design of multichannel parallelism and single instruction multiple data on an FPGA, the readout electronics achieve a readout latency of 40 ns from the last sample input to the readout valid output. The feedback data link for cross-instrument communication shows a communication latency of 48 ns when 16 bits of data are transmitted over a 2 m-length cable using a homologous clock to drive the transceiver. With codeword-based triggering mechanisms, readout electronics can be used in dynamic superconducting quantum computing. |
| first_indexed | 2024-04-12T17:45:41Z |
| format | Article |
| id | doaj.art-e2311e5259164651a594eb476e54dd85 |
| institution | Directory Open Access Journal |
| issn | 2158-3226 |
| language | English |
| last_indexed | 2024-04-12T17:45:41Z |
| publishDate | 2022-04-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj.art-e2311e5259164651a594eb476e54dd852022-12-22T03:22:41ZengAIP Publishing LLCAIP Advances2158-32262022-04-01124045024045024-810.1063/5.0088879Low-latency readout electronics for dynamic superconducting quantum computingCheng Guo0Jin Lin1Lian-Chen Han2Na Li3Li-Hua Sun4Fu-Tian Liang5Dong-Dong Li6Yu-Huai Li7Ming Gong8Yu Xu9Sheng-Kai Liao10Cheng-Zhi Peng11Department of Modern Physics, University of Science and Technology of China, Hefei 230026, ChinaShanghai Branch, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, ChinaDepartment of Modern Physics, University of Science and Technology of China, Hefei 230026, ChinaShanghai Branch, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, ChinaDepartment of Modern Physics, University of Science and Technology of China, Hefei 230026, ChinaShanghai Branch, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, ChinaShanghai Branch, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, ChinaShanghai Branch, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, ChinaShanghai Branch, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, ChinaShanghai Branch, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, ChinaDepartment of Modern Physics, University of Science and Technology of China, Hefei 230026, ChinaDepartment of Modern Physics, University of Science and Technology of China, Hefei 230026, ChinaDynamic quantum computing can support quantum error correction circuits to build a large general-purpose quantum computer, which requires electronic instruments to perform the closed-loop operation of readout, processing, and control within 1% of the qubit coherence time. In this paper, we present low-latency readout electronics for dynamic superconducting quantum computing. The readout electronics use a low-latency analog-to-digital converter to capture analog signals, a field-programmable gate array (FPGA) to process digital signals, and the general I/O resources of the FPGA to forward the readout results. Running an algorithm based on the design of multichannel parallelism and single instruction multiple data on an FPGA, the readout electronics achieve a readout latency of 40 ns from the last sample input to the readout valid output. The feedback data link for cross-instrument communication shows a communication latency of 48 ns when 16 bits of data are transmitted over a 2 m-length cable using a homologous clock to drive the transceiver. With codeword-based triggering mechanisms, readout electronics can be used in dynamic superconducting quantum computing.http://dx.doi.org/10.1063/5.0088879 |
| spellingShingle | Cheng Guo Jin Lin Lian-Chen Han Na Li Li-Hua Sun Fu-Tian Liang Dong-Dong Li Yu-Huai Li Ming Gong Yu Xu Sheng-Kai Liao Cheng-Zhi Peng Low-latency readout electronics for dynamic superconducting quantum computing AIP Advances |
| title | Low-latency readout electronics for dynamic superconducting quantum computing |
| title_full | Low-latency readout electronics for dynamic superconducting quantum computing |
| title_fullStr | Low-latency readout electronics for dynamic superconducting quantum computing |
| title_full_unstemmed | Low-latency readout electronics for dynamic superconducting quantum computing |
| title_short | Low-latency readout electronics for dynamic superconducting quantum computing |
| title_sort | low latency readout electronics for dynamic superconducting quantum computing |
| url | http://dx.doi.org/10.1063/5.0088879 |
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