Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session LL03: V: Progress in AMO Physics I
4:00 PM–6:00 PM,
Wednesday, March 6, 2024
Room: Virtual Room 03
Sponsoring
Unit:
DAMOP
Chair: Rimsha Shaikh, NED University of Engineering and Technology
Abstract: LL03.00008 : Improved selection of dark states in the presence of drive-induced dissipation.*
5:24 PM–5:36 PM
Presenter:
Arpan Chatterjee
(IISER Kolkata)
Authors:
Arpan Chatterjee
(IISER Kolkata)
Rangeet Bhattacharyya
(IISER KOLKATA)
presence of environmental fluctuations and strong electromagnetic driving fields. To this end, we
use a fluctuation-regulated quantum master equation that takes into account the drive-induced
dissipation (DID) in the system. DID originates from the combined effect of a driving field and
environmental fluctuations. We report that increasing DID shows a narrowing of CPT linewidth
and hence improved selection of the dark states. As such, the DID enhances the sensitivity of
CPT at a driving strength much larger than the system’s relaxation rates. We also discuss the
practical implementation of the scheme along with possible applications.
*Arpan Chatterjee acknowledges the University Grants Commission (UGC) of the Government of India forproviding financial assistance through senior research fellowship (SRF) with reference ID: 522160.
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