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Publication Citation: Efficient generation of correlated photon pairs in a microstructure fiber

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Author(s): Jingyun Fan; Alan L. Migdall; L Wang;
Title: Efficient generation of correlated photon pairs in a microstructure fiber
Published: December 15, 2005
Abstract: We report efficient generation of correlated photon pairs through degenerate four-wave mixing in a microstructure fiber. With 735.7 nm pump pulses producing correlated signal (688.5 nm) and idler (789.8 nm) photons in a 1.8 m microstructure fiber, we detect photon pairs at a rate of 37.6 kHz with a coincidence/accidental contrast of 10:1 with Δlambda=0.7nm. This is the highest rate to our knowledge reported to date in a fiber-based photon source. The light source is highly nonclassical as defined by the Zou-Wang-Mandel inequality, which is violated by 1100 times the uncertainty.
Citation: Optics Letters
Volume: 30
Pages: pp. 3368 - 3370
Keywords: coincidence; four-wave mixing; microstructure fiber;nonclassicality;parametric amplification
Research Areas: Quantum Optics, Quantum Information, Entangled Photons, Quantum Devices, Single Photon Sources, Correlated Photon Radiometry, Quantum Information Technology, Quantum Physics