2016/04/30 by Vineet Bharti, Ajay D. Wasan, Ajay Wasan +1 · 13 citations
Physics and Astronomy · #Absorption (acoustics) #Atomic physics #Cold Atom Physics and Bose-Einstein Condensates #Excited state #Field (mathematics) #Ion #Laser #Optics #Optoelectronics #Physics #Quantum mechanics #Quantum optics and atomic interactions #Random lasers and scattering media #Realization (probability) #Rydberg formula #Wavelength #physics.atom-ph
paper · pdf · doi:10.1016/j.physleta.2016.05.038
published in Physics Letters A 380(31-32), 2390-2394 (Elsevier BV) · 12 pages, 7 figures
openalex publication_date 2016/05/26 · arxiv created 2016/06/14 · arxiv updated 2016/06/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We present a theoretical investigation of the phenomenon of electromagnetically induced absorption (EIA) in a 4-level system consisting of vee and ladder subsystems. The four levels are coupled using one weak probe field, and two strong control fields. We consider an experimental realization using energy levels of Rb. This necessitates dealing with different conditions of wavelength mismatch---near-perfect match where all three wavelengths are approximately equal; partial mismatch where the wavelength of one control field is less than the other fields; and complete mismatch where all three wavelengths are unequal. We present probe absorption profiles with Doppler averaging at room temperature to account for experiments in a room temperature Rb vapor cell. Our analysis shows that EIA resonances can be studied using Rydberg states excited with diode lasers.