Fresnel-type solid immersion lens for efficient light collection from quantum defects in diamond

被引：2
作者：
Park, Sungjoon [1 ,2 ]
Koh, Young-Seo [3 ]
Kang, Dongyeon Daniel [3 ]
Kim, Gyeonghun [4 ]
Kim, Kiho [1 ,2 ]
Kim, Dohun [1 ,2 ]
机构：
[1] Seoul Natl Univ, Dept Phys & Astron, Seoul 08826, South Korea
[2] Seoul Natl Univ, Inst Appl Phys, Seoul 08826, South Korea
[3] Korea Inst Sci & Technol KIST, Ctr Quantum Informat, Seoul 02792, South Korea
[4] Duke Univ, Dept Phys, Durham, NC 27708 USA
来源：
OPTICS EXPRESS | 2023年 / 31卷 / 12期
基金：
新加坡国家研究基金会;
关键词：
NITROGEN-VACANCY CENTER; MAGNETIC-RESONANCE; SPIN; ENTANGLEMENT;
D O I：
10.1364/OE.487913
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Quantum defects in diamonds have been studied as a promising resource for quantum science. The subtractive fabrication process for improving photon collection efficiency often require excessive milling time that can adversely affect the fabrication accuracy. We designed and fabricated a Fresnel-type solid immersion lens using the focused ion beam. For a 5.8 & mu;m -deep Nitrogen-vacancy symbolscript center, the milling time was highly reduced (1/3 compared to a hemispherical structure), while retaining high photon collection efficiency (> 2.24 compared to a flat surface). In numerical simulation, this benefit of the proposed structure is expected for a wide range of milling depths.& COPY; 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：20586 / 20594
页数：9
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