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Cell Biology JoVE (Open Access) Citable · DOI

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

DOI: 10.3791/56060-v
What you'll learn
  • ✓ Design and fabricate microfabricated surface ion trap devices
  • ✓ Align multi-wavelength laser systems for ion trapping experiments
  • ✓ Trap and characterize ytterbium ions at room temperature
Protocol

This paper presents a microfabrication methodology for surface ion traps, as well as a detailed experimental procedure for trapping ytterbium ions in a room-temperature environment.

Difficulty
advanced
Total time
~2–4 weeks (including microfabrication, alignment, and characterization cycles)

Steps

1
Review experimental overview and trap design

Understand the microfabrication methodology and physical principles of surface ion traps for ytterbium ion confinement in a room-temperature environment.

▶ 01:07
2
Establish electrical connections to trap chip

Connect electrical leads and control circuits to the microfabricated surface ion trap device to enable RF and DC voltage application.

▶ 02:59
3
Align 369.5 nm laser and imaging system

Position the 369.5 nm laser beam and coordinate the imaging optics to enable detection and visualization of trapped ions.

▶ 04:24
4
Align 399 nm and 935 nm lasers and test oven

Position the 399 nm and 935 nm laser beams for cooling and repumping; verify ytterbium oven operation and ion source output.

▶ 06:59
5
Execute ion trapping protocol

Activate RF confinement, laser cooling, and detection to trap and stabilize ytterbium ions within the microfabricated surface trap.

▶ 09:16
6
Characterize trapped ytterbium ion performance

Analyze fluorescence images and trap parameters to confirm successful 174Yb+ ion trapping and quantify confinement efficiency.

▶ 10:40
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