Laser cooling in a chip-scale platform

被引：52

作者：

McGilligan, J. P. ^{[1
,2
]}

Moore, K. R. ^{[2
]}

Dellis, A. ^{[1
,2
]}

Martinez, G. D. ^{[1
,2
]}

de Clercq, E. ^{[3
]}

Griffin, P. F. ^{[4
]}

Arnold, A. S. ^{[4
]}

Riis, E. ^{[4
]}

Boudot, R. ^{[2
,5
]}

Kitching, J. ^{[2
]}

机构：

[1] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[2] Natl Inst Stand & Technol, Boulder, CO 80305 USA

[3] Sorbonne Univ, Univ PSL, LNE SYRTE, Observ Paris, F-75014 Paris, France

[4] Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 ONG, Lanark, Scotland

[5] CNRS, FEMTO ST, 26 Chemin Epitaphe, F-25030 Besancon, France

来源：

APPLIED PHYSICS LETTERS | 2020年 / 117卷 / 05期

基金：

英国工程与自然科学研究理事会;

关键词：

ATOMS; COMPACT; CLOCK; TRAP; BEAM;

D O I：

10.1063/5.0014658

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Chip-scale atomic devices built around micro-fabricated alkali vapor cells are at the forefront of compact metrology and atomic sensors. We demonstrate a micro-fabricated vapor cell that is actively pumped to ultra-high-vacuum (UHV) to achieve laser cooling. A grating magneto-optical trap (GMOT) is incorporated with a 4mm-thick Si/glass vacuum cell to demonstrate the feasibility of a fully miniaturized laser cooling platform. A two-step optical excitation process in rubidium is used to overcome surface-scatter limitations to the GMOT imaging. The unambiguous miniaturization and form-customizability made available with micro-fabricated UHV cells provide a promising platform for future compact cold-atom sensors.

引用

页数：4

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