Optimization of noncollinear optical parametric amplification

D. N. Schimpf; J. Rothardt; J. Limpert; A. Tünnermann

doi:10.1117/12.701093

14 February 2007 Optimization of noncollinear optical parametric amplification

D. N. Schimpf, J. Rothardt, J. Limpert, A. Tünnermann

Proceedings Volume 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI; 64550B (2007) https://doi.org/10.1117/12.701093
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

Noncollinearly phase-matched optical parametric amplifiers (NOPAs) - pumped with the green light of a frequency doubled Yb-doped fiber-amplifier system ^{1, 2} - permit convenient generation of ultrashort pulses in the visible (VIS) and near infrared (NIR)³. The broad bandwidth of the parametric gain via the noncollinear pump configuration allows amplification of few-cycle optical pulses when seeded with a spectrally flat, re-compressible signal. The short pulses tunable over a wide region in the visible permit transcend of frontiers in physics and lifescience. For instance, the resulting high temporal resolution is of significance for many spectroscopic techniques. Furthermore, the high magnitudes of the peak-powers of the produced pulses allow research in high-field physics. To understand the demands of noncollinear optical parametric amplification using a fiber pump source, it is important to investigate this configuration in detail ⁴. An analysis provides not only insight into the parametric process but also determines an optimal choice of experimental parameters for the objective. Here, the intention is to design a configuration which yields the shortest possible temporal pulse. As a consequence of this analysis, the experimental setup could be optimized. A number of aspects of optical parametric amplifier performance have been treated analytically and computationally ⁵, but these do not fully cover the situation under consideration here.

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D. N. Schimpf, J. Rothardt, J. Limpert, and A. Tünnermann "Optimization of noncollinear optical parametric amplification", Proc. SPIE 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI, 64550B (14 February 2007); https://doi.org/10.1117/12.701093

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