Long spin coherence times in the ground state and in an optically excited state of Er3+167:Y2SiO5 at zero magnetic field
Spins in solids are an ideal candidate to act as a memory and interface with superconducting qubits due to their long coherence times. We spectroscopically investigate erbium-167-doped yttrium orthosilicate as a possible microwave-addressed memory employing its microwave frequency transitions that o...
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| Veröffentlicht in: | Physical review. B 2020-05, Vol.101 (18), p.1 |
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| container_title | Physical review. B |
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| creator | Rakonjac, Jelena V Chen, Yu-Hui Horvath, Sebastian P Longdell, Jevon J |
| description | Spins in solids are an ideal candidate to act as a memory and interface with superconducting qubits due to their long coherence times. We spectroscopically investigate erbium-167-doped yttrium orthosilicate as a possible microwave-addressed memory employing its microwave frequency transitions that occur without applying an external magnetic field. We obtain coherence times of 380 μs in a ground state spin transition and 1.48 ms in an excited state spin transition. This is 28 times longer compared to previous zero field measurements, as well as 200 times longer than a previous microwave memory demonstration in the same material. These long coherence times show that erbium-167-doped yttrium orthosilicate has potential as a microwave-addressed quantum memory. |
| doi_str_mv | 10.1103/PhysRevB.101.184430 |
| format | Article |
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We spectroscopically investigate erbium-167-doped yttrium orthosilicate as a possible microwave-addressed memory employing its microwave frequency transitions that occur without applying an external magnetic field. We obtain coherence times of 380 μs in a ground state spin transition and 1.48 ms in an excited state spin transition. This is 28 times longer compared to previous zero field measurements, as well as 200 times longer than a previous microwave memory demonstration in the same material. These long coherence times show that erbium-167-doped yttrium orthosilicate has potential as a microwave-addressed quantum memory.</description><identifier>ISSN: 2469-9950</identifier><identifier>EISSN: 2469-9969</identifier><identifier>DOI: 10.1103/PhysRevB.101.184430</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Erbium ; Excitation ; Ground state ; Magnetic fields ; Microwave frequencies ; Quantum phenomena ; Qubits (quantum computing) ; Spin transition ; Yttrium</subject><ispartof>Physical review. 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We obtain coherence times of 380 μs in a ground state spin transition and 1.48 ms in an excited state spin transition. This is 28 times longer compared to previous zero field measurements, as well as 200 times longer than a previous microwave memory demonstration in the same material. These long coherence times show that erbium-167-doped yttrium orthosilicate has potential as a microwave-addressed quantum memory.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevB.101.184430</doi></addata></record> |
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| ispartof | Physical review. B, 2020-05, Vol.101 (18), p.1 |
| issn | 2469-9950 2469-9969 |
| language | eng |
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| source | American Physical Society Journals |
| subjects | Erbium Excitation Ground state Magnetic fields Microwave frequencies Quantum phenomena Qubits (quantum computing) Spin transition Yttrium |
| title | Long spin coherence times in the ground state and in an optically excited state of Er3+167:Y2SiO5 at zero magnetic field |
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