Wei-Chen Chien, Yu-Han Chang, Cheng Xin Lu, Yen-Yu Ting, C. Wu, Sheng-Di Lin, W. Kuo
{"title":"Large parametric amplification in kinetic inductance dominant resonators based on 3 nm-thick epitaxial superconductors","authors":"Wei-Chen Chien, Yu-Han Chang, Cheng Xin Lu, Yen-Yu Ting, C. Wu, Sheng-Di Lin, W. Kuo","doi":"10.1088/2633-4356/acd744","DOIUrl":null,"url":null,"abstract":"\n Ultra-thin superconducting aluminum films of 3-nm grown on sapphire by molecule-beam epitaxy show excellent superconductivity and large kinetic inductance. This results in a record high Kerr non-linearity of 33 kHz and 3.62 MHz per photon in notch-type and transmission-type resonators, respectively. 4-wave mixing leverages this non-linearity to achieve 12 dB parametric amplification in transmission type resonator, making the ultra-thin film ideal for photon detection and amplification applications.","PeriodicalId":345750,"journal":{"name":"Materials for Quantum Technology","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials for Quantum Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/2633-4356/acd744","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Ultra-thin superconducting aluminum films of 3-nm grown on sapphire by molecule-beam epitaxy show excellent superconductivity and large kinetic inductance. This results in a record high Kerr non-linearity of 33 kHz and 3.62 MHz per photon in notch-type and transmission-type resonators, respectively. 4-wave mixing leverages this non-linearity to achieve 12 dB parametric amplification in transmission type resonator, making the ultra-thin film ideal for photon detection and amplification applications.
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