Spectrotemporal processing in a dual gradient echo and electromagnetically-induced transparency memory

TL;DR

This paper demonstrates the simulation of spectrotemporal processing, specifically the fractional Fourier transform, in a dual quantum memory system combining gradient echo memory and electromagnetically-induced transparency, highlighting new capabilities in quantum information processing.

Contribution

It introduces a novel simulation of spectrotemporal processing using a dual quantum memory system, combining gradient echo and electromagnetically-induced transparency techniques.

Findings

Electromagnetically-induced transparency systems can perform spectrotemporal processing.

The dual memory system enables simulation of the fractional Fourier transform.

Potential applications in quantum information technology are demonstrated.

Abstract

Spectrotemporal encoding of optical quantum information is emerging as a powerful tool in quantum information technology. Processing of spectrotemporal information has recently been demonstrated in multi-mode quantum memories, based on extensions to memory protocols. We simulate one such process, the fractional Fourier transform, in a system based on a dual quantum memory composed of successive gradient echo memory and electromagnetically-induced transparency operations. We demonstrate the potential of electromagnetically-induced transparency systems for spectrotemporal processing.