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Wavelength mismatch effect in electromagnetically induced absorption

Bharti, Vineet and Wasan, Ajay and Natarajan, Vasant (2016) Wavelength mismatch effect in electromagnetically induced absorption. In: PHYSICS LETTERS A, 381 (31-32). pp. 2390-2394.

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Official URL: http://dx.doi.org/10.1016/j.physleta.2016.05.038

Abstract

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. (C) 2016 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Id for Latest eprints
Date Deposited: 17 Aug 2016 04:05
Last Modified: 17 Aug 2016 04:05
URI: http://eprints.iisc.ac.in/id/eprint/54259

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