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Conferences > CLEO_Europe > 2017 > CC_2 > CC_2_1
  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper CC_2_1

Narrowband THz generation via chirp-and-delay in PPLN

Frederike Ahr, Spencer W. Jolly, Nicholas H. Matlis, Sergio Carbajo, Koustuban Ravi, Tobias Kroh, Jan Schulte, Damian N. Schimpf, Andreas R. Maier, and Franz X. Kärtner

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Abstract

High-peak-field, narrowband terahertz (THz) sources are well suited for compact electron acceleration [1], however, these sources are still under development and yet to reach optimal energies. A high conversion efficiency via difference frequency generation is established by quasi-phase matching in periodically poled lithium niobate (PPLN). Moreover, to achieve the required mJ-level THz pulses high energy input pulses are inevitable [2]. Chirp-and-delay pumping offers a method to increase the NIR pulse duration and to scale up the energy without damaging the crystal. Here, we present chirp-and-delay in PPLN of varying poling periods and study the effect of crystal length and temperature.

© 2017 IEEE

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