Design and Simulation of TiN-Based Suspended Meander Kinetic Inductance Detectors (KIDs) for Visible and Near-Infrared Astronomy Applications
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arXiv
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| Autores principales: | , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866916235514478592 |
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| author | Appavou, Maria Ribeiro, Lucas Nicaise, Paul Hu, Jie Martin, Jean-Marc Firminy, Josiane Chaumont, Christine Bonifacio, Piercarlo Boussaha, Faouzi |
| author_facet | Appavou, Maria Ribeiro, Lucas Nicaise, Paul Hu, Jie Martin, Jean-Marc Firminy, Josiane Chaumont, Christine Bonifacio, Piercarlo Boussaha, Faouzi |
| contents | We report on simulations of a novel design of optical titanium nitride (TiN)- based Kinetic Inductance Detectors (KIDs) in order to improve their response to optical photons. We propose to separate the meander from the substrate to trap hot phonons generated by optical photons, preventing their rapid propagation through the substrate. These phonons would in turn contribute to the breaking of more Cooper pairs, thereby increasing the response of the detector. In our design, the meander is suspended a few hundred nanometers above the substrate. Furthermore, reflective gold (Au) or aluminum (Al)-based layers can be placed under the meander to improve photon coupling in the optical wavelengths. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_02837 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Design and Simulation of TiN-Based Suspended Meander Kinetic Inductance Detectors (KIDs) for Visible and Near-Infrared Astronomy Applications Appavou, Maria Ribeiro, Lucas Nicaise, Paul Hu, Jie Martin, Jean-Marc Firminy, Josiane Chaumont, Christine Bonifacio, Piercarlo Boussaha, Faouzi Instrumentation and Detectors We report on simulations of a novel design of optical titanium nitride (TiN)- based Kinetic Inductance Detectors (KIDs) in order to improve their response to optical photons. We propose to separate the meander from the substrate to trap hot phonons generated by optical photons, preventing their rapid propagation through the substrate. These phonons would in turn contribute to the breaking of more Cooper pairs, thereby increasing the response of the detector. In our design, the meander is suspended a few hundred nanometers above the substrate. Furthermore, reflective gold (Au) or aluminum (Al)-based layers can be placed under the meander to improve photon coupling in the optical wavelengths. |
| title | Design and Simulation of TiN-Based Suspended Meander Kinetic Inductance Detectors (KIDs) for Visible and Near-Infrared Astronomy Applications |
| topic | Instrumentation and Detectors |
| url | https://arxiv.org/abs/2405.02837 |