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Title: Fundamental trade-off between the speed of light and the Fano factor of photon current in three-level lambda systems
Abstract Electromagnetically induced slow-light medium is a promising system for quantum memory devices, but controlling its noise level remains a major challenge to overcome. This work considers the simplest model for such medium, comprised of three-level Λ-systems interacting with bosonic bath, and provides a new fundamental trade-off relation in light–matter interaction between the group velocity of light and the Fano factor of photon current due to radiative transitions. Considering the steady state limits of a newly derived Lindblad-type equation, we find that the Fano factor of the photon current maximizes to 3 at the minimal group velocity of light, which holds true universally regardless of detailed values of parameters characterizing the medium.  more » « less
Award ID(s):
1900170
PAR ID:
10473603
Author(s) / Creator(s):
; ;
Publisher / Repository:
Institute of Physics
Date Published:
Journal Name:
Journal of Physics A: Mathematical and Theoretical
Volume:
56
Issue:
1
ISSN:
1751-8113
Page Range / eLocation ID:
015001
Format(s):
Medium: X
Sponsoring Org:
National Science Foundation
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