Towards a Multiqudit Quantum Processor Based on a <sup>171</sup>Yb<sup>+</sup> Ion String: Realizing Basic Quantum Algorithms
We demonstrate a quantum processor based on a 3D linear Paul trap that uses <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mmultiscripts><mi mathvariant="normal">Yb</mi><none></n...
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| Language: | English |
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MDPI AG
2025-04-01
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| Series: | Quantum Reports |
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| Online Access: | https://www.mdpi.com/2624-960X/7/2/19 |
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| author | Ilia V. Zalivako Anastasiia S. Nikolaeva Alexander S. Borisenko Andrei E. Korolkov Pavel L. Sidorov Kristina P. Galstyan Nikita V. Semenin Vasilii N. Smirnov Mikhail A. Aksenov Konstantin M. Makushin Evgeniy O. Kiktenko Aleksey K. Fedorov Ilya A. Semerikov Ksenia Yu. Khabarova Nikolay N. Kolachevsky |
| author_facet | Ilia V. Zalivako Anastasiia S. Nikolaeva Alexander S. Borisenko Andrei E. Korolkov Pavel L. Sidorov Kristina P. Galstyan Nikita V. Semenin Vasilii N. Smirnov Mikhail A. Aksenov Konstantin M. Makushin Evgeniy O. Kiktenko Aleksey K. Fedorov Ilya A. Semerikov Ksenia Yu. Khabarova Nikolay N. Kolachevsky |
| author_sort | Ilia V. Zalivako |
| collection | DOAJ |
| description | We demonstrate a quantum processor based on a 3D linear Paul trap that uses <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mmultiscripts><mi mathvariant="normal">Yb</mi><none></none><mo>+</mo><mprescripts></mprescripts><none></none><mn>171</mn></mmultiscripts></semantics></math></inline-formula> ions with eight individually controllable four-level qudits (ququarts), which is computationally equivalent to a sixteen-qubit quantum processor. The design of the developed ion trap provides high secular frequencies and a low heating rate, which, together with individual addressing and readout optical systems, allows executing quantum algorithms. In each of the eight ions, we use four electronic levels coupled by E2 optical transition at 435 nm for qudit encoding. We present the results of single- and two-qubit operations benchmarking and realizing basic quantum algorithms, including the Bernstein–Vazirani and Grover’s search algorithms as well as H<sub>2</sub> and LiH molecular simulations. Our results pave the way to scalable qudit-based quantum processors using trapped ions. |
| format | Article |
| id | doaj-art-1700d9846f624714938781fcb55b4e21 |
| institution | Kabale University |
| issn | 2624-960X |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Quantum Reports |
| spelling | doaj-art-1700d9846f624714938781fcb55b4e212025-08-20T03:27:25ZengMDPI AGQuantum Reports2624-960X2025-04-01721910.3390/quantum7020019Towards a Multiqudit Quantum Processor Based on a <sup>171</sup>Yb<sup>+</sup> Ion String: Realizing Basic Quantum AlgorithmsIlia V. Zalivako0Anastasiia S. Nikolaeva1Alexander S. Borisenko2Andrei E. Korolkov3Pavel L. Sidorov4Kristina P. Galstyan5Nikita V. Semenin6Vasilii N. Smirnov7Mikhail A. Aksenov8Konstantin M. Makushin9Evgeniy O. Kiktenko10Aleksey K. Fedorov11Ilya A. Semerikov12Ksenia Yu. Khabarova13Nikolay N. Kolachevsky14P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaRussian Quantum Center, Skolkovo, Moscow 121205, RussiaRussian Quantum Center, Skolkovo, Moscow 121205, RussiaRussian Quantum Center, Skolkovo, Moscow 121205, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, RussiaWe demonstrate a quantum processor based on a 3D linear Paul trap that uses <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mmultiscripts><mi mathvariant="normal">Yb</mi><none></none><mo>+</mo><mprescripts></mprescripts><none></none><mn>171</mn></mmultiscripts></semantics></math></inline-formula> ions with eight individually controllable four-level qudits (ququarts), which is computationally equivalent to a sixteen-qubit quantum processor. The design of the developed ion trap provides high secular frequencies and a low heating rate, which, together with individual addressing and readout optical systems, allows executing quantum algorithms. In each of the eight ions, we use four electronic levels coupled by E2 optical transition at 435 nm for qudit encoding. We present the results of single- and two-qubit operations benchmarking and realizing basic quantum algorithms, including the Bernstein–Vazirani and Grover’s search algorithms as well as H<sub>2</sub> and LiH molecular simulations. Our results pave the way to scalable qudit-based quantum processors using trapped ions.https://www.mdpi.com/2624-960X/7/2/19quditstrapped-ionsquantum processorsquantum algorithms |
| spellingShingle | Ilia V. Zalivako Anastasiia S. Nikolaeva Alexander S. Borisenko Andrei E. Korolkov Pavel L. Sidorov Kristina P. Galstyan Nikita V. Semenin Vasilii N. Smirnov Mikhail A. Aksenov Konstantin M. Makushin Evgeniy O. Kiktenko Aleksey K. Fedorov Ilya A. Semerikov Ksenia Yu. Khabarova Nikolay N. Kolachevsky Towards a Multiqudit Quantum Processor Based on a <sup>171</sup>Yb<sup>+</sup> Ion String: Realizing Basic Quantum Algorithms Quantum Reports qudits trapped-ions quantum processors quantum algorithms |
| title | Towards a Multiqudit Quantum Processor Based on a <sup>171</sup>Yb<sup>+</sup> Ion String: Realizing Basic Quantum Algorithms |
| title_full | Towards a Multiqudit Quantum Processor Based on a <sup>171</sup>Yb<sup>+</sup> Ion String: Realizing Basic Quantum Algorithms |
| title_fullStr | Towards a Multiqudit Quantum Processor Based on a <sup>171</sup>Yb<sup>+</sup> Ion String: Realizing Basic Quantum Algorithms |
| title_full_unstemmed | Towards a Multiqudit Quantum Processor Based on a <sup>171</sup>Yb<sup>+</sup> Ion String: Realizing Basic Quantum Algorithms |
| title_short | Towards a Multiqudit Quantum Processor Based on a <sup>171</sup>Yb<sup>+</sup> Ion String: Realizing Basic Quantum Algorithms |
| title_sort | towards a multiqudit quantum processor based on a sup 171 sup yb sup sup ion string realizing basic quantum algorithms |
| topic | qudits trapped-ions quantum processors quantum algorithms |
| url | https://www.mdpi.com/2624-960X/7/2/19 |
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