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Interference between coherences established among the 5D5/2-5P3/2 and 5P3/2-5S1/2 energy levels within atomic rubidium
Reboli, Thomas
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https://hdl.handle.net/2142/115795
Description
- Title
- Interference between coherences established among the 5D5/2-5P3/2 and 5P3/2-5S1/2 energy levels within atomic rubidium
- Author(s)
- Reboli, Thomas
- Issue Date
- 2022-04-29
- Director of Research (if dissertation) or Advisor (if thesis)
- Eden, James G
- Department of Study
- Electrical & Computer Eng
- Discipline
- Electrical & Computer Engr
- Degree Granting Institution
- University of Illinois at Urbana-Champaign
- Degree Name
- M.S.
- Degree Level
- Thesis
- Keyword(s)
- Quantum beat spectroscopy
- Terahertz quantum beats
- Ultrafast spectroscopy
- Alkali
- Vapor
- Rubidium
- Pump-probe
- Time-frequency resolved
- Wave packet
- Interference
- Coherent
- Superposition
- Controllability
- Oscillators
- Abstract
- Coupling was observed between atomic coherences formed at 386.2 THz and 384.1 THz, corresponding respectively to the $5D_{5/2}-5P_{3/2}$ and $5P_{3/2}-5S_{1/2}$ energy differences in atomic Rb. These coherences were excited using ultrafast laser pulses, and their temporal dynamics observed through quantum beat spectroscopy. The coupling of these oscillators was observed as an interference window occurring in the spectral response of the pair's beat frequency. The spectral profile of these pairs was also observed to change with varying phase matching conditions. The profile was fit to a generalized Fano resonance to recover phase, which corresponds to degree of coupling between the states. The profile was also found to change with experimental parameters, giving control over the coupling parameters.
- Graduation Semester
- 2022-05
- Type of Resource
- Thesis
- Handle URL
- https://hdl.handle.net/2142/115795
- Copyright and License Information
- Copyright 2022 Thomas Reboli
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Graduate Dissertations and Theses at Illinois PRIMARY
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