Broadband optical parametric amplification using PPLN waveguide pumped by detuned second harmonic

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Abstract

<jats:p>Optical parametric amplification in the range of 1.3–1.8 µm was demonstrated by using a periodically poled LiNbO<jats:sub>3</jats:sub> (PPLN) waveguide as a nonlinear medium by varying the detuning of the pump wavelength. A wide range of detuning was enabled by using a multiple-quasi-phase-matched (M-QPM) LiNbO<jats:sub>3</jats:sub> waveguide for pump generation through second harmonic generation (SHG) and temperature control of the PPLN waveguide. Broadband optical amplification and wavelength conversion through difference frequency generation (DFG) are considered useful for widening the bandwidth of optical communication.</jats:p>

Journal

  • Optics Express

    Optics Express 30 (6), 9473-, 2022-03-08

    Optica Publishing Group

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