Journal Article

FZJ-2020-05093

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Electromagnetically induced transparency in a mono-isotopic 167 Er: 7 LiYF 4 crystal below 1 Kelvin: microwave photonics approach

Kukharchyk, N. ; Sholokhov, D. ; Morozov, O. ; Korableva, S. L. ; Kalachev, A. A. ; Bushev, P. (Corresponding author)FZJ*

2020
Soc. Washington, DC

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Please use a persistent id in citations: http://hdl.handle.net/2128/26446  doi:10.1364/OE.400222

Abstract: Electromagnetically induced transparency allows for the controllable change of absorption properties, which can be exploited in a number of applications including optical quantum memory. In this paper, we present a study of the electromagnetically induced transparency in a 167Er:7LiYF4 crystal at low magnetic fields and ultra-low temperatures. The experimental measurement scheme employs an optical vector network analysis that provides high precision measurement of amplitude, phase and group delay and paves the way towards full on-chip integration of optical quantum memory setups. We found that sub-Kelvin temperatures are the necessary requirement for observing electromagnetically induced transparency in this crystal at low fields. A good agreement between theory and experiment is achieved by taking into account the phonon bottleneck effect.

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Contributing Institute(s):

1. JARA Institut Quanteninformation (PGI-11)

Research Program(s):

1. 144 - Controlling Collective States (POF3-144) (POF3-144)

Appears in the scientific report 2020

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