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Proceedings Paper

On-chip quantum storage in a rare-earth-doped photonic nanocavity
Author(s): Tian Zhong; Jonathan M. Kindem; Jake Rochman; Evan Miyazono; Andrei Faraon; Alban Ferrier; Philippe Goldner
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Paper Abstract

Rare-earth-ion doped crystals are state-of-the-art materials for optical quantum memories and quantum transducers between optical and microwave photons. Here we describe our progress towards a nanophotonic quantum memory based on a rare-earth (Neodymium) doped yttrium orthosilicate (YSO) photonic crystal resonator. The Purcell-enhanced coupling of the 883 nm transitions of Neodymium (Nd3+) ions to the nano-resonator results in increased optical depth, which could in principle facilitate highly efficient photon storage via cavity impedance matching. The atomic frequency comb (AFC) memory protocol can be implemented in the Nd:YSO nano-resonator by efficient optical pumping into the long-lived Zeeman state. Coherent optical signals can be stored and retrieved from the AFC memory. We currently measure a storage efficiency on par with a bulk crystal Nd:YSO memory that is millimeters long. Our results will enable multiplexed on-chip quantum storage and thus quantum repeater devices using rare-earth-ions.

Paper Details

Date Published: 15 March 2016
PDF: 6 pages
Proc. SPIE 9762, Advances in Photonics of Quantum Computing, Memory, and Communication IX, 97620J (15 March 2016); doi: 10.1117/12.2211999
Show Author Affiliations
Tian Zhong, California Institute of Technology (United States)
Jonathan M. Kindem, California Institute of Technology (United States)
Jake Rochman, California Institute of Technology (United States)
Evan Miyazono, California Institute of Technology (United States)
Andrei Faraon, California Institute of Technology (United States)
Alban Ferrier, Institut de Chimie et des Matériaux Paris-Est, Univ. Pierre et Marie Curie (France)
Philippe Goldner, Institut de Chimie et des Matériaux Paris-Est, Univ. Pierre et Marie Curie (France)


Published in SPIE Proceedings Vol. 9762:
Advances in Photonics of Quantum Computing, Memory, and Communication IX
Zameer Ul Hasan; Philip R. Hemmer; Hwang Lee; Alan L. Migdall, Editor(s)

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