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Conferences > CLEO_FS > 2023 > FTh1A > FTh1A.2

Towards kHz optical linewidth, millisecond spin coherence erbium telecom qubits in epitaxial thin films

Shobhit Gupta, Shihan Liu, Chao-Fan Wang, Yizhong Huang, and Tian Zhong

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Abstract

Erbium telecom qubits in C3i centrosymmetric site in epitaxial yttrium oxide thin films are coupled to optical and microwave resonators, demonstrating millisecond spin coherence and kHz optical linewidths approaching the radiative limit.

© 2023 The Author(s)

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