Simple integrated single-atom detector

被引：20

作者：

Wilzbach, Marco ^{[1
,2
]}

Heine, Dennis ^{[1
,2
]}

Groth, Soenke ^{[1
]}

Liu, Xiyuan ^{[3
]}

Raub, Thomas ^{[1
,2
]}

Hessmo, Bjoern ^{[1
,2
]}

Schmiedmayer, Joerg ^{[1
,2
]}

机构：

[1] Osterreich Univ, TU Wien, Atominst, Vienna, Austria

[2] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany

[3] Univ Mannheim, Lehrstuhl Optoelekt, Mannheim, Germany

来源：

OPTICS LETTERS | 2009年 / 34卷 / 03期

关键词：

FABRICATION; DYNAMICS;

D O I：

10.1364/OL.34.000259

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a reliable and robust integrated fluorescence detector capable of detecting single atoms. The detector consists of a tapered lensed single-mode fiber for precise delivery of excitation light and a multimode fiber to collect the fluorescence. Both are mounted in lithographically defined SU-8 holding structures on an atom chip. Rb-87 atoms propagating freely in a magnetic guide are detected with an efficiency of up to 66%, and a signal-to-noise ratio in excess of 100 is obtained for short integration times. (C) 2009 Optical Society of America

引用

页码：259 / 261

页数：3

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