Ultrathin fiber-taper coupling with nitrogen vacancy centers in nanodiamonds at cryogenic temperatures

被引：0

作者：

Fujiwara, Masazumi ^{[1
,2
,5
]}

Zhao, Hong-Quan ^{[1
,2
,6
]}

Noda, Tetsuya ^{[1
,2
]}

Ikeda, Kazuhiro ^{[3
]}

Sumiya, Hitoshi ^{[3
]}

Takeuchi, Shigeki ^{[1
,2
,4
]}

机构：

[1] Hokkaido Univ, RIES, Sapporo, Hokkaido 0010021, Japan

[2] Osaka Univ, ISIR, Ibaraki, Osaka 5670047, Japan

[3] Sumitomo Elect Ind Ltd, Itami, Hyogo 6640016, Japan

[4] Kyoto Univ, Dept Elect Sci & Engn, Kyoto 6158246, Japan

[5] Kwansei Gakuin Univ, Sanda, Hyogo 6691337, Japan

[6] Chinese Acad Sci, CIGIT, Chongqing 401120, Peoples R China

来源：

ADVANCES IN PHOTONICS OF QUANTUM COMPUTING, MEMORY, AND COMMUNICATION IX | 2016年 / 9762卷

关键词：

Fiber taper; Nanofiber; Cryogenic cooling; Diamond NV centers; DIAMOND;

D O I：

10.1117/12.2206144

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We demonstrate successful cooling of ultrathin fiber tapers and their coupling with nitrogen vacancy (NV) centers in nanodiamonds at cryogenic temperatures. Nanodiamonds containing multiple NV centers are deposited on ultrathin fiber tapers with diameters ranging from 450-500 nm. The fiber tapers were successfully cooled down to 9 K with our special fiber mount and an optimization of cooling speed. The fluorescence coupled with the fiber tapers showed characteristic sharp zero-phonon lines of neutral and negatively charged NV centers. The present demonstration is important for the future NV-based quantum information devices and sensitive nanoscale cryogenic magnetometry.

引用

页数：6

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