Development of Grating for the Optical Addressing of Sr+ Ions with Data Analysis Techniques

In this study, SiN-based gratings with various radius of curvature (r) are designed and fabricated for the optical addressing of trapped Sr+ ion. The beam width of the light coupled out from the gratings is investigated using a self-developed Python-based data analysis technique. It is found that th...

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Bibliographic Details
Published in:IEEE photonics journal 2023-08, Vol.15 (4), p.1-8
Main Authors: Lim, Yu Dian, Zhao, Peng, Guidoni, Luca, Likforman, Jean-Pierre, Tan, Chuan Seng
Format: Article
Language:English
Subjects:
Arrayed waveguide gratings
Data analysis
Gratings
Laser beams
Monitoring
Optical beams
Optical coupling
Optical device fabrication
Particle beam optics
Python
Qubit
Radius of curvature
Silicon photonics
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Summary:In this study, SiN-based gratings with various radius of curvature (r) are designed and fabricated for the optical addressing of trapped Sr+ ion. The beam width of the light coupled out from the gratings is investigated using a self-developed Python-based data analysis technique. It is found that the r values have insignificant influence on the beam width along x-axis; whereas the beam waist along y-axis reduces from 13.96 to 12.3 μm as r increases from 15 to 20 μm, then increases gradually to 20.51 μm as the r value further increases to 60 μm. The obtained results can provide a versatile solution on the optical addressing of trapped Sr+ for applications in quantum engineering.
ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2023.3281134