High-Efficiency Low-Noise Optomechanical Crystal Photon-Phonon Transducers
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arXiv
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| Format: | Preprint |
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2024
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| author | Sonar, Sameer Hatipoglu, Utku Meesala, Srujan Lake, David Ren, Hengjiang Painter, Oskar |
| author_facet | Sonar, Sameer Hatipoglu, Utku Meesala, Srujan Lake, David Ren, Hengjiang Painter, Oskar |
| contents | Optomechanical crystals (OMCs) enable coherent interactions between optical photons and microwave acoustic phonons, and represent a platform for implementing quantum transduction between microwave and optical signals. Optical absorption-induced thermal noise at cryogenic (millikelvin) temperatures is one of the primary limitations of performance for OMC-based quantum transducers. Here, we address this challenge with a two-dimensional silicon OMC resonator that is side-coupled to a mechanically detached optical waveguide, realizing a six-fold reduction in the heating rate of the acoustic resonator compared to prior state-of-the-art, while operating in a regime of high optomechanical-backaction and millikelvin base temperature. This reduced heating translates into a demonstrated phonon-to-photon conversion efficiency of 93.1 $\pm$ 0.8% at an added noise of 0.25 $\pm$ 0.01 quanta, representing a significant advance toward quantum-limited microwave-optical frequency conversion and optically-controlled quantum acoustic memories. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_15701 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | High-Efficiency Low-Noise Optomechanical Crystal Photon-Phonon Transducers Sonar, Sameer Hatipoglu, Utku Meesala, Srujan Lake, David Ren, Hengjiang Painter, Oskar Optics Quantum Physics Optomechanical crystals (OMCs) enable coherent interactions between optical photons and microwave acoustic phonons, and represent a platform for implementing quantum transduction between microwave and optical signals. Optical absorption-induced thermal noise at cryogenic (millikelvin) temperatures is one of the primary limitations of performance for OMC-based quantum transducers. Here, we address this challenge with a two-dimensional silicon OMC resonator that is side-coupled to a mechanically detached optical waveguide, realizing a six-fold reduction in the heating rate of the acoustic resonator compared to prior state-of-the-art, while operating in a regime of high optomechanical-backaction and millikelvin base temperature. This reduced heating translates into a demonstrated phonon-to-photon conversion efficiency of 93.1 $\pm$ 0.8% at an added noise of 0.25 $\pm$ 0.01 quanta, representing a significant advance toward quantum-limited microwave-optical frequency conversion and optically-controlled quantum acoustic memories. |
| title | High-Efficiency Low-Noise Optomechanical Crystal Photon-Phonon Transducers |
| topic | Optics Quantum Physics |
| url | https://arxiv.org/abs/2406.15701 |