Amplification of solid high harmonics in semiconductor nanostructures (Conference Presentation)

Dominik Franz; Rana Nicolas; Willem Boutu; Liping Shi; Quentin Ripault; Maria Kholodtsova; Bianca Iwan; Ugaitz Elu Etxano; Milutin Kovacev; Jens Biegert; Hamed Merdji

doi:10.1117/12.2306896

29 May 2018 Amplification of solid high harmonics in semiconductor nanostructures (Conference Presentation)

Dominik Franz, Rana Nicolas, Willem Boutu, Liping Shi, Quentin Ripault, Maria Kholodtsova, Bianca Iwan, Ugaitz Elu Etxano, Milutin Kovacev, Jens Biegert, Hamed Merdji

Author Affiliations +

Proceedings Volume 10673, Advances in Ultrafast Condensed Phase Physics; 106730L (2018) https://doi.org/10.1117/12.2306896
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

Nanoscale amplification of non-linear processes in solid-state devices opens novel applications in nano-electronics, nano-medicine or high energy conversion for example. Coupling few nano-joules laser energy at a nanometer scale for strong field physics is demonstrated. We report enhancement of high harmonic generation in nano-structured semiconductors using nanoscale amplification of a mid-infrared laser in the sample rather than using large laser amplifier systems. Field amplification is achieved through light confinement in nano-structured semiconductor 3D waveguides. The high harmonic nano-converter consists of an array of zinc-oxide nanocones. They exhibit a large amplification volume, 6 orders of magnitude larger than previously reported [1] and avoid melting observed in metallic plasmonic structures. The amplification of high harmonics is observed by coupling only 5-10 nano-joules of a 3.2 µm high repetition-rate OPCPA laser at the entrance of each nanocone. Harmonic amplification (factor 30) depends on the laser energy input, wavelength and nanocone geometry [2]. [1] Vampa et al., Nat. Phys. 13, 659–662 (2017). [2] Franz et al., arXiv:1709.09153 [physics.optics] (2017)

Conference Presentation

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Dominik Franz, Rana Nicolas, Willem Boutu, Liping Shi, Quentin Ripault, Maria Kholodtsova, Bianca Iwan, Ugaitz Elu Etxano, Milutin Kovacev, Jens Biegert, and Hamed Merdji "Amplification of solid high harmonics in semiconductor nanostructures (Conference Presentation)", Proc. SPIE 10673, Advances in Ultrafast Condensed Phase Physics, 106730L (29 May 2018); https://doi.org/10.1117/12.2306896

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