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Conferences > CQO > 2019 > W2B > W2B.2

Achieving 98% system efficiency at 1550 nm in superconducting nanowire single photon detectors

Dileep V. Reddy, Adriana E. Lita, Sae Woo Nam, Richard P. Mirin, and Varun B. Verma

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Abstract

We present a fiber-coupled single-photon detector with 98% system detection efficiencies at 1550 nm. We characterize beam divergence within the optical stack and the electronic compensations required for large-active-area detectors.

© 2019 The Author(s)

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