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On-chip Quantum Memories at Telecom Wavelengths Based on Er3+:YSO Nano-Photonic Resonators

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California Institute of Technology Pasadena United States

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Quantum memories for light are important components for future long distance quantum networks. We demonstrated on-chip quantum storage of telecommunications band light at the single photon level in an ensemble of erbium-167 ions in an yttrium orthosilicate photonic crystal nanobeam resonator. Storage times of up to 10 microseconds are demonstrated using an all-optical atomic frequency comb protocol at dilution refrigerator temperatures under a magnetic field of 380 mT. We show this quantum storage platform to have high bandwidth, high fidelity, and multimode capacity, and we outline a path towards an efficient erbium-167 quantum memory for light.

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Technical Report,15 Aug 2015,14 Aug 2018



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Approved For Public Release;

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