Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session R06: Quantum Networking
2:00 PM–4:00 PM,
Thursday, June 6, 2024
Room: 202CD
Chair: POONAM YADAV, Indian Institute of Technology Delhi
Abstract: R06.00005 : Experimental observation of steady state decoherence in quantum nonlinear optics across EIT to ATS crossover
2:48 PM–3:00 PM
Presenter:
POONAM YADAV
(Indian Institute of Technology Delhi)
Authors:
POONAM YADAV
(Indian Institute of Technology Delhi)
Arnab Ghosh
(Indian Institute of Technology Delhi, New Delhi, India)
Hemant Yadav
(Indian Institute of Technology Delhi, New Delhi, India)
Bodhaditya Santra
(Indian Institute of Technology Delhi, New Delhi, India)
Collaboration:
The author would like to thank members of the Cold Atom Quantum Technologies Lab at the Indian Institute of Technology Delhi, India.
We have measured a steady state behavior of decoherence using accurate lineshape
spectroscopy involving hyperfine ground states of D2 transition in 133Cs atomic vapor. We experimentally attribute the steady state to a quantum nonlinear phenomenon originating from driven dissipative light-matter interaction in the presence of long ground-state-coherence and thermally driven dissipation channels. Our results show universal behavior across electromagnetically induced transparency (EIT) to Autler-Townes splitting (ATS) crossover. This offers an interesting opportunity for implementing quantum information processing protocols using atoms and photons across a large parameter range.
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