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Scientific article
English

Development of photon pair sources using periodically poled lithium niobate waveguide technology and fiber optic components

Published inJournal of modern optics, vol. 62, no. 20, p. 1722-1731
Publication date2015
Abstract

To support quantum technologies that require entangled photon pairs and/or heralded photons for operation, a photon pair source was developed that uses periodically poled lithium niobate (PPLN) waveguides that are coupled to optical fibers. Both Ti-indiffused and annealed proton-exchanged (APE) waveguide technologies were studied, and waveguide/fiber interfaces were designed to increase the coupling efficiency of the photon pairs into optical fiber. PPLN waveguide devices were fabricated and the optical loss, wavelength conversion efficiency, and heralding efficiency were measured. The maximum heralding efficiencies achieved were 75 and 68% for Ti-indiffused and APE waveguides, respectively. A compact photon pair source based on a packaged PPLN waveguide device and commercially available fiber optic components is presented.

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OESTERLING, Lee et al. Development of photon pair sources using periodically poled lithium niobate waveguide technology and fiber optic components. In: Journal of modern optics, 2015, vol. 62, n° 20, p. 1722–1731. doi: 10.1080/09500340.2015.1044760
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ISSN of the journal0950-0340
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