Scalable integration of long-lived quantum memories into a photonic circuit

We demonstrate a photonic circuit with integrated long-lived quantum memories. Pre-selected quantum nodes - diamond micro-waveguides containing single, stable, and negatively charged nitrogen vacancy centers - are deterministically integrated into low-loss silicon nitride waveguides. Each quantum me...

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Published inarXiv.org
Main Authors Mouradian, Sara L, Schröder, Tim, Poitras, Carl B, Li, Luozhou, Goldstein, Jordan, Chen, Edward H, Cardenas, Jaime, Markham, Matthew L, Twitchen, Daniel J, Lipson, Michal, Englund, Dirk
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 24.11.2014
Subjects
Data processing
Diamonds
Integrated circuits
Photonics
Quantum phenomena
Quantum theory
Silicon nitride
Waveguides
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Abstract We demonstrate a photonic circuit with integrated long-lived quantum memories. Pre-selected quantum nodes - diamond micro-waveguides containing single, stable, and negatively charged nitrogen vacancy centers - are deterministically integrated into low-loss silicon nitride waveguides. Each quantum memory node efficiently couples into the single-mode waveguide (> 1 Mcps collected into the waveguide) and exhibits long spin coherence times of up to 120 {\mu}s. Our system facilitates the assembly of multiple quantum memories into a photonic integrated circuit with near unity yield, paving the way towards scalable quantum information processing.
AbstractList We demonstrate a photonic circuit with integrated long-lived quantum memories. Pre-selected quantum nodes - diamond micro-waveguides containing single, stable, and negatively charged nitrogen vacancy centers - are deterministically integrated into low-loss silicon nitride waveguides. Each quantum memory node efficiently couples into the single-mode waveguide (> 1 Mcps collected into the waveguide) and exhibits long spin coherence times of up to 120 {\mu}s. Our system facilitates the assembly of multiple quantum memories into a photonic integrated circuit with near unity yield, paving the way towards scalable quantum information processing.
Author Schröder, Tim
Cardenas, Jaime
Poitras, Carl B
Markham, Matthew L
Englund, Dirk
Li, Luozhou
Twitchen, Daniel J
Goldstein, Jordan
Chen, Edward H
Mouradian, Sara L
Lipson, Michal
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Diamonds
Integrated circuits
Photonics
Quantum phenomena
Quantum theory
Silicon nitride
Waveguides
Title Scalable integration of long-lived quantum memories into a photonic circuit
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