Paper
14 February 2007 Two-stage PPLN parametric amplification for higher conversion efficiency
A. R. Pandey, J. W. Haus, P. E. Powers
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Abstract
We present a numerical model of a multi-crystal approach that increases the quantum efficiency of a parametric amplifier. Here is a two-crystal approach where the second stage crystal uses the signal energy from the first stage to amplify the desired idler wavelength. The numerical model allows for arbitrary input beam profiles and it can accommodate multiple crystals and optical elements. In this study a pair of PPLN crystals was modeled leading to more than double the idler output energy. The maximum M2 value for the output idler beam calculated was 5.2.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. R. Pandey, J. W. Haus, and P. E. Powers "Two-stage PPLN parametric amplification for higher conversion efficiency", Proc. SPIE 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI, 64550L (14 February 2007); https://doi.org/10.1117/12.700473
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KEYWORDS
Crystals

Laser crystals

Energy efficiency

Nonlinear crystals

Beam propagation method

Crystal optics

Optical amplifiers

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