Generation of narrowband, high-intensity, carrier-envelope phase stable pulses 
tunable between 4 and 18 THz

Liu, B.; Bromberger, H.; Cartella, A.; Gebert, T.; Först, M.; Cavalleri, A.

doi:10.1364/OL.42.000129

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Generation of narrowband, high-intensity, carrier-envelope phase stable pulses tunable between 4 and 18 THz

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Liu, B.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

Bromberger, H.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

Cartella, A.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

Gebert, T.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

Först, M.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

Cavalleri, A.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Department of Physics, Clarendon Laboratory, University of Oxford;

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https://dx.doi.org/10.1364/OL.42.000129
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Citation

Liu, B., Bromberger, H., Cartella, A., Gebert, T., Först, M., & Cavalleri, A. (2017). Generation of narrowband, high-intensity, carrier-envelope phase stable pulses tunable between 4 and 18 THz. Optics Letters, 42(1), 129-131. doi:10.1364/OL.42.000129.

Cite as: https://hdl.handle.net/21.11116/0000-0007-0FF8-2

Abstract

We report on the generation of high-energy (1.9 μJ) farinfrared pulses tunable between 4 and 18 THz frequency. Emphasis is placed on tunability and on minimizing the bandwidth of these pulses to less than 1 THz, as achieved by difference-frequency mixing of two linearly chirped near-infrared pulses in the organic nonlinear crystal DSTMS. As the two near-infrared pulses are derived from amplification of the same white light continuum their carrier envelope phase fluctuations are mutually correlated, and hence the difference-frequency THz field exhibits absolute phase stability. This source opens up new possibilities for the control of condensed matter and chemical systems by selective excitation of low-energy modes in a frequency range that has to date been difficult to access.