Integrated phononic waveguide on thin-film lithium niobate on diamond
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arXiv
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| Autori principali: | , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866909626616774656 |
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| author | Malik, Sultan Mayor, Felix M. Jiang, Wentao Oh, Hyunseok Padgett, Carl Dharod, Viraj Venkatraman, Jayameenakshi Jayich, Ania C. Bleszynski Safavi-Naeini, Amir H. |
| author_facet | Malik, Sultan Mayor, Felix M. Jiang, Wentao Oh, Hyunseok Padgett, Carl Dharod, Viraj Venkatraman, Jayameenakshi Jayich, Ania C. Bleszynski Safavi-Naeini, Amir H. |
| contents | We demonstrate wavelength-scale phononic waveguides formed by transfer-printed thin-film lithium niobate (LN) on bulk diamond (LNOD), a material stack that combines the strong piezoelectricity of LN with the high acoustic velocity and color-center compatibility of diamond. We characterize a delay line based on a 100 micron long phononic waveguide at room and cryogenic temperatures. The total insertion loss through the device at 4 kelvin is -5.8 dB, corresponding to a >50% transducer efficiency, at a frequency of 2.8 gigahertz. Our work represents a step towards phonon-mediated hybrid quantum systems consisting of strain-sensitive color centers in diamond. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_23100 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Integrated phononic waveguide on thin-film lithium niobate on diamond Malik, Sultan Mayor, Felix M. Jiang, Wentao Oh, Hyunseok Padgett, Carl Dharod, Viraj Venkatraman, Jayameenakshi Jayich, Ania C. Bleszynski Safavi-Naeini, Amir H. Mesoscale and Nanoscale Physics Applied Physics We demonstrate wavelength-scale phononic waveguides formed by transfer-printed thin-film lithium niobate (LN) on bulk diamond (LNOD), a material stack that combines the strong piezoelectricity of LN with the high acoustic velocity and color-center compatibility of diamond. We characterize a delay line based on a 100 micron long phononic waveguide at room and cryogenic temperatures. The total insertion loss through the device at 4 kelvin is -5.8 dB, corresponding to a >50% transducer efficiency, at a frequency of 2.8 gigahertz. Our work represents a step towards phonon-mediated hybrid quantum systems consisting of strain-sensitive color centers in diamond. |
| title | Integrated phononic waveguide on thin-film lithium niobate on diamond |
| topic | Mesoscale and Nanoscale Physics Applied Physics |
| url | https://arxiv.org/abs/2505.23100 |