Suneel Singh
Articles written in Pramana – Journal of Physics
Volume 82 Issue 2 February 2014 pp 295-300 Contributed Papers
Electromagnetically-induced transparency in Doppler-broadened five-level systems
We study electromagnetically-induced transparency (EIT) of a probe field in a Dopplerbroadened five-level K-type atomic system driven by three strong laser (coupling) fields. Effect of wave-vector mismatch occurring when the coupling field frequency is higher than that of the probe field frequency ($\lambda_c < \lambda_p$) are considered. Under the influence of the coherent coupling fields, the steady-state linear susceptibility of the probe laser shows that the system can have single, double or triple EIT windows depending on the amplitude and detuning of the coupling fields.
Volume 87 Issue 6 December 2016 Article ID 0085 Regular
Intensity correlations and anticorrelations in a three-level cascade system
SHAIK AHMED PREETHI N WASNIK SUNEEL SINGH P ANANTHA LAKSHMI
We study the intensity–intensity correlations of the radiation emitted on probe transition in a three level cascade electromagnetically-induced transparency (EIT) scheme. Further, we show that by applying even a very weak incoherent pump, the nature of the emitted radiation can be switched from classical to non-classicalwithout significantly affecting the probe transparency
Volume 96, 2022
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