All-Electromagnetic Control of Broadband Quantum Excitations Using Gradient Photon Echoes
Wen-Te Liao, Christoph H. Keitel, Adriana P\'alffy
TL;DR
This paper proposes a method for controlling broadband quantum excitations using all-electromagnetic gradient photon echoes in a three-level system, enabling fast, controllable quantum memory and information processing.
Contribution
It introduces a novel all-electromagnetic approach to generate high-bandwidth photon echoes in broadband quantum systems, advancing quantum memory technology.
Findings
Demonstrates broadband photon echo control with inhomogeneous control fields
Shows potential for fast quantum memory and information processing
Discusses time compression and storage of quantum signals
Abstract
A broadband quantum echo effect in a three level -type system interacting with two laser fields is investigated theoretically. Inspired by the emerging field of nuclear quantum optics which typically deals with very narrow resonances, we consider broadband probe pulses that couple to the system in the presence of an inhomogeneous control field. We show that such a setup provides an all-electromagnetic-field solution to implement high bandwidth photon echoes, which are easy to control, store and shape on a short time scale and therefore may speed up future photonic information processing. The time compression of the echo signal and possible applications for quantum memories are discussed.
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