Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-4792
Title: Organic crystals for THz photonics
Authors : Jazbinsek, Mojca
Puc, Uros
Abina, Andreja
Zidansek, Aleksander
Published in : Applied Sciences
Volume(Issue) : 9
Issue : 5/882
Publisher / Ed. Institution : MDPI
Issue Date: 2019
License (according to publishing contract) : CC BY 4.0: Attribution 4.0 International
Type of review: Peer review (Publication)
Language : English
Subjects : Organic nonlinear optics; Organic crystals; Terahertz waves; Electro-optics; Difference-frequency generation; Optical rectification; THz spectroscopy; THz imaging; DAST; DSTMS; OH1; BNA; HMQ-TMS
Subject (DDC) : 530: Physics
Abstract: Organic crystals with second-order optical nonlinearity feature very high and ultra-fast optical nonlinearities and are therefore attractive for various photonics applications. During the last decade, they have been found particularly attractive for terahertz (THz) photonics. This is mainly due to the very intense and ultra-broadband THz-wave generation possible with these crystals. We review recent progress and challenges in the development of organic crystalline materials for THz-wave generation and detection applications. We discuss their structure, intrinsic properties, and advantages compared to inorganic alternatives. The characteristic properties of the most widely employed organic crystals at present, such as DAST, DSTMS, OH1, HMQ-TMS, and BNA are analyzed and compared. We summarize the most important principles for THz-wave generation and detection, as well as organic THz-system configurations based on either difference-frequency generation or optical rectification. In addition, we give state-of-the-art examples of very intense and ultra-broadband THz systems that rely on organic crystals. Finally, we present some recent breakthrough demonstrations in nonlinear THz photonics enabled by very intense organic crystalline THz sources, as well as examples of THz spectroscopy and THz imaging using organic crystals as THz sources for various scientific and technological applications.
Departement: School of Engineering
Organisational Unit: Institute of Computational Physics (ICP)
Publication type: Article in scientific Journal
DOI : 10.3390/app9050882
10.21256/zhaw-4792
ISSN: 2076-3417
URI: https://digitalcollection.zhaw.ch/handle/11475/15944
Appears in Collections:Publikationen School of Engineering

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