Trapping and Imaging Single Dysprosium Atoms in Optical Tweezer Arrays

Area of Science:

• Atomic, molecular, and optical physics
• Quantum information science
• Materials science

Background:

• Optical tweezers are crucial for manipulating neutral atoms.
• Lanthanides possess unique electronic properties, including large magnetic dipole moments and complex spectra.
• Controlling individual atoms is essential for quantum technologies.

Purpose of the Study:

• To demonstrate the trapping and imaging of single dysprosium atoms in optical tweezers.
• To explore the use of light shifts for precise atomic manipulation.
• To pave the way for quantum studies utilizing lanthanide atoms.

Main Methods:

• Utilized a 532 nm wavelength laser for optical tweezers.
• Imaged atoms on the 626 nm intercombination line.
• Exploited anisotropic light shifts and differential polarizabilities of dysprosium.

Main Results:

• Achieved stable trapping of single dysprosium atoms.
• Identified a specific laser polarization regime for efficient trapping.
• Demonstrated successful imaging of trapped atoms.

Conclusions:

• Single dysprosium atoms can be effectively trapped and imaged using optical tweezers.
• The unique properties of lanthanides are suitable for advanced quantum applications.
• This technique opens new avenues for quantum simulation and computation.