Generation of ultralow power phononic combs
We demonstrate excitation of phononic frequency combs in a bulk acoustic wave system at a temperature of 20mK using a single tone low power signal source. The observed ultralow power threshold is due to a combination of a very high quality factor of 4.2×10^{8} and relatively strong nonlinear effects...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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American Physical Society
2020-04-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/PhysRevResearch.2.023035 |
| _version_ | 1797211509831499776 |
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| author | Maxim Goryachev Serge Galliou Michael E. Tobar |
| author_facet | Maxim Goryachev Serge Galliou Michael E. Tobar |
| author_sort | Maxim Goryachev |
| collection | DOAJ |
| description | We demonstrate excitation of phononic frequency combs in a bulk acoustic wave system at a temperature of 20mK using a single tone low power signal source. The observed ultralow power threshold is due to a combination of a very high quality factor of 4.2×10^{8} and relatively strong nonlinear effects. The observed repetition rate of the comb varies from 0.7 to 2 Hz and spans over tens of hertz. The demonstrated system is fully excited via piezoelectricity and does not require mode spectra engineering or external optical or microwave signals. It is shown that the comb profile significantly depends on geometry of excitation and detection electrodes. Observed strong Duffing nonlinearity below the generation threshold suggests that the system is a phononic analog to Kerr frequency combs excited in monolithic optical microresonators. The ultralow power regime opens a way of integrating this phononic system with quantum hybrid systems such as impurity defects and superconducting qubits. |
| first_indexed | 2024-04-24T10:27:38Z |
| format | Article |
| id | doaj.art-f9cff0b0eb044c84a5ee11bfa6e5665c |
| institution | Directory Open Access Journal |
| issn | 2643-1564 |
| language | English |
| last_indexed | 2024-04-24T10:27:38Z |
| publishDate | 2020-04-01 |
| publisher | American Physical Society |
| record_format | Article |
| series | Physical Review Research |
| spelling | doaj.art-f9cff0b0eb044c84a5ee11bfa6e5665c2024-04-12T16:52:34ZengAmerican Physical SocietyPhysical Review Research2643-15642020-04-012202303510.1103/PhysRevResearch.2.023035Generation of ultralow power phononic combsMaxim GoryachevSerge GalliouMichael E. TobarWe demonstrate excitation of phononic frequency combs in a bulk acoustic wave system at a temperature of 20mK using a single tone low power signal source. The observed ultralow power threshold is due to a combination of a very high quality factor of 4.2×10^{8} and relatively strong nonlinear effects. The observed repetition rate of the comb varies from 0.7 to 2 Hz and spans over tens of hertz. The demonstrated system is fully excited via piezoelectricity and does not require mode spectra engineering or external optical or microwave signals. It is shown that the comb profile significantly depends on geometry of excitation and detection electrodes. Observed strong Duffing nonlinearity below the generation threshold suggests that the system is a phononic analog to Kerr frequency combs excited in monolithic optical microresonators. The ultralow power regime opens a way of integrating this phononic system with quantum hybrid systems such as impurity defects and superconducting qubits.http://doi.org/10.1103/PhysRevResearch.2.023035 |
| spellingShingle | Maxim Goryachev Serge Galliou Michael E. Tobar Generation of ultralow power phononic combs Physical Review Research |
| title | Generation of ultralow power phononic combs |
| title_full | Generation of ultralow power phononic combs |
| title_fullStr | Generation of ultralow power phononic combs |
| title_full_unstemmed | Generation of ultralow power phononic combs |
| title_short | Generation of ultralow power phononic combs |
| title_sort | generation of ultralow power phononic combs |
| url | http://doi.org/10.1103/PhysRevResearch.2.023035 |
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