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Experimental Performance of a Two-Stage Periodically Poled Lithium Niobate Parametric Amplifier

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3 Author(s)
Pandey, A.R. ; Univ. of Dayton, Dayton ; Powers, Peter E. ; Haus, Joseph W.

A two-stage periodically poled lithium niobate parametric amplifier is used to boost the idler wave energy by almost a factor of three near the degenerate wavelength of the second stage. For nondegenerate values, the idler wave energy is boosted by a factor of two. Our experimental results validate a numerical model that includes arbitrary beam profiles, beam walkoff, pump depletion, and optical elements between crystals. Experimental performance of the whole system was found to be much more stable over a wide range of temperatures due to noncollinear phase-matching conditions in the second stage.

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Quantum Electronics, IEEE Journal of  (Volume:44 ,  Issue: 3 )