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Proceedings Paper

Characterization of type-II spontaneous parametric down-conversion in domain-engineered PPLN
Author(s): Paulina S. Kuo; Thomas Gerrits; Varun Verma; Sae Woo Nam; Oliver Slattery; Lijun Ma; Xiao Tang
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Paper Abstract

We characterize spontaneous parametric downconversion in a domain-engineered, type-II periodically poled lithium niobate (PPLN) crystal using seeded emission and single-photon techniques. Using continuous-wave (CW) pumping at 775 nm wavelength, the signal and idler are at 1532.5 nm and 1567.5 nm, respectively. The domain-engineered crystal simultaneously phasematches signal and idler pairs: [H(1532.5 nm), V(1567.5 nm)] and [V(1532.5 nm), H(1567.5 nm)]. We observe the tuning curves of these processes through difference-frequency generation and through CW fiberassisted, single-photon spectroscopy. These measurements indicate good matching in amplitude and bandwidth of the two processes and that the crystal can in principle be used effectively to generate polarization-entangled photon pairs.

Paper Details

Date Published: 15 March 2016
PDF: 9 pages
Proc. SPIE 9762, Advances in Photonics of Quantum Computing, Memory, and Communication IX, 976211 (15 March 2016); doi: 10.1117/12.2218535
Show Author Affiliations
Paulina S. Kuo, National Institute of Standards and Technology (United States)
Thomas Gerrits, National Institute of Standards and Technology (United States)
Varun Verma, National Institute of Standards and Technology (United States)
Sae Woo Nam, National Institute of Standards and Technology (United States)
Oliver Slattery, National Institute of Standards and Technology (United States)
Lijun Ma, National Institute of Standards and Technology (United States)
Xiao Tang, National Institute of Standards and Technology (United States)


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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