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physics.atom-ph2019★ 1 cited
Laser interferometry based on atomic coherence
Mangesh Bhattarai, Sumanta Khan, Vasant Natarajan +1
We demonstrate laser interferometry based on phase difference between the two arms of the interferometer. The experiments are done with a Cs atomic vapor cell at room temperature a…
physics.atom-ph2017
Observation of CPT for the ground hyperfine interval in Cs
Sumanta Khan, Vineet Bharti, Vasant Natarajan
We use the technique of coherent population trapping (CPT) to access the ground hyperfine interval (clock transition) in Cs. The probe and control beams required for CPT ar…
physics.atom-ph2017
Coherent population pumping in a bright state
Sumanta Khan, Vineet Bharti, Vasant Natarajan
We demonstrate resonances due to coherent population pumping in a bright state (CBS), using magnetic sublevels of the closed transition in Rb…