Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/51016
Title: Terahertz Harmonic Generation from Graphite Pencil Drawings
Authors: Arshad, Atiqa
Koyun, Hatice Nur
Salikhov, Ruslan
Gensch, Michael
Ilyakov, Igor
Ponomaryov, Alexey
Prajapati, Gulloo Lal
Keywords: Dirac materials
graphite
nonlinear terahertz optics
Raman spectroscopy
terahertz harmonic generation
Raman-Spectroscopy
Graphene
Publisher: Wiley
Abstract: The third harmonic generation (THG) of graphite layers on paper substrate upon excitation with intense (up to 100 kV cm(-1)) narrowband terahertz (THz) pulses is studied. Highest THG efficiencies are comparable with those of chemical vapor deposition-grown single-layer graphene. Samples are hand drawn, using commercially available pencils. The THG response shows high sensitivity regarding the hatching direction relative to the THz polarization orientation. Using Raman spectroscopy, the occurrence of graphene-like structures in the samples is confirmed. The findings demonstrate the feasibility of virtually no-cost and easy-to-fabricate materials for THz nonlinear optics.
URI: https://doi.org/10.1002/adpr.202300088
https://hdl.handle.net/11499/51016
ISSN: 2699-9293
Appears in Collections:WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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