Related papers: Isolation of individual Er quantum emitters in anatase TiO$

Isolation of individual Er quantum emitters in anatase TiO$_2$ on Si photonics

URL: http://arxiv.org/abs/2406.02810v1
Date: Tue, 4 Jun 2024 22:51:23 GMT
Title: Isolation of individual Er quantum emitters in anatase TiO$_2$ on Si photonics
Authors: Cheng Ji, Robert M. Pettit, Shobhit Gupta, Gregory D. Grant, Ignas Masiulionis, Ananthesh Sundaresh, Skylar Deckoff--Jones, Max Olberding, Manish K. Singh, F. Joseph Heremans, Supratik Guha, Alan M. Dibos, Sean E. Sullivan,
Abstract summary: Single photon sources and quantum memories are the building blocks of quantum repeaters needed for long distance quantum networks. In this work, we demonstrate the optical isolation of single Er$3+$ ions in titanium dioxide thin films monolithically integrated on a silicon-on-insulator (SOI) platform.
Score: 1.0249646720847876
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: Defects and dopant atoms in solid state materials are a promising platform for realizing single photon sources and quantum memories, which are the basic building blocks of quantum repeaters needed for long distance quantum networks. In particular, trivalent erbium (Er$^{3+}$) is of interest because it couples C-band telecom optical transitions with a spin-based memory platform. In order to produce quantum repeaters at the scale required for a quantum internet, it is imperative to integrate these necessary building blocks with mature and scalable semiconductor processes. In this work, we demonstrate the optical isolation of single Er$^{3+}$ ions in CMOS-compatible titanium dioxide (TiO$_2$) thin films monolithically integrated on a silicon-on-insulator (SOI) photonics platform. Our results demonstrate a first step toward the realization of a monolithically integrated and scalable quantum photonics package based on Er$^{3+}$ doped thin films.

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