Diffusion effects in gradient echo memory

Luo, X.-W; Hope, Joseph; Hillman, Benjamin; Stace, T M

Cultural advice

The Australian National University acknowledges, celebrates and pays our respects to the Ngunnawal and Ngambri people of the Canberra region and to all First Nations Australians on whose traditional lands we meet and work, and whose cultures are among the oldest continuing cultures in human history.

Aboriginal and Torres Strait Islander peoples are advised that ANU Library collections may include images, names, voices, and other representations of deceased persons.

Material in the collection may contain terms, language or views that reflect the period in which the item was created and may be considered inappropriate today.

Diffusion effects in gradient echo memory

Date

2013

Authors

Luo, X.-W

Hope, Joseph

Hillman, Benjamin

Stace, T M

Publisher

American Physical Society

Abstract

We study the effects of diffusion on a Λ-gradient echo memory, which is a coherent optical quantum memory, using thermal gases. The efficiency of this memory is high for short storage time, but decreases exponentially due to decoherence as the storage ti