Author:
Lee Jongmin,Biedermann Grant,Mudrick John,Douglas Erica A.,Jau Yuan-Yu
Abstract
AbstractWe demonstrate the generation of a cold-atom ensemble within a sub-millimeter diameter hole in a transparent membrane, a so-called “membrane MOT”. With a sub-Doppler cooling process, the atoms trapped by the membrane MOT are cooled down to 10 $$\upmu$$
μ
K. The atom number inside the unbridged/bridged membrane hole is about $$10^4$$
10
4
to $$10^5$$
10
5
, and the $$1/e^2$$
1
/
e
2
-diameter of the MOT cloud is about 180 $$\upmu$$
μ
m for a 400 $$\upmu$$
μ
m-diameter membrane hole. Such a membrane device can, in principle, efficiently load cold atoms into the evanescent-field optical trap generated by the suspended membrane waveguide for strong atom-light interaction and provide the capability of sufficient heat dissipation at the waveguide. This represents a key step toward the photonic atom trap integrated platform (ATIP).
Funder
Laboratory Directed Research and Development
Publisher
Springer Science and Business Media LLC
Cited by
2 articles.
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