Kaur, Paramjit and Bharti, Vineet and Wasan, Ajay (2014) Optical properties of an inhomogeneously broadened Lambda V-system with multiple excited states. In: JOURNAL OF MODERN OPTICS, 61 (16). pp. 1339-1347.
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We present a theoretical model using a density matrix approach to show the influence of multiple excited states on the optical properties of an inhomogeneously broadened Lambda V-system of the Rb-87 D2 line. These closely spaced multiple excited states cause asymmetry in absorption and dispersion profiles. We observe the reduced absorption profiles, due to dressed state interactions of the applied electromagnetic fields, which results the Mollow sideband-like transparency windows. In a room temperature vapor, we obtain a narrow enhanced absorption and steep positive dispersion at the line center when the strengths of control and pump fields are equal. Here, we show how the probe transmittance varies when it passes through the atomic medium. We also discuss the transient behavior of our system which agrees well with the corresponding absorption and dispersion profiles. This study has potential applications in controllability of group velocity, and for optical and quantum information processing.
| Item Type: | Journal Article |
|---|---|
| Publication: | JOURNAL OF MODERN OPTICS |
| Additional Information: | Copy right for this article belongs to the TAYLOR & FRANCIS LTD, 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND |
| Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
| Date Deposited: | 10 Oct 2014 09:14 |
| Last Modified: | 10 Oct 2014 09:14 |
| URI: | http://eprints.iisc.ac.in/id/eprint/49992 |
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