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Photonic Quantum Computing

Coupling of erbium dopants to yttrium orthosilicate photonic crystal cavities for on-chip optical quantum memories

arXiv
Authors: Evan Miyazono, Tian Zhong, Ioana Craiciu, Jonathan M Kindem, Andrei Faraon

Year

2015

Paper ID

4454

Status

Preprint

Abstract Read

~2 min

Abstract Words

72

Citations

N/A

Abstract

Erbium dopants in crystals exhibit highly coherent optical transitions well suited for solid-state optical quantum memories operating in the telecom band. Here we demonstrate coupling of erbium dopant ions in yttrium orthosilicate to a photonic crystal cavity fabricated directly in the host crystal using focused ion beam milling. The coupling leads to reduction of the photoluminescence lifetime and enhancement of the optical depth in microns-long devices, which will enable on-chip quantum memories.

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  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
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  • Erbium dopants in crystals exhibit highly coherent optical transitions well suited for solid-state optical quantum memories operating in the telecom band.

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