New benzothiazolium crystals with very large off-diagonal optical nonlinearity

Kim, Seung-Jun; Yu, In Cheol; Lee, Ji-Ah; Kim, Won Tae; Jazbinsek, Mojca; Yoon, Woojin; Yun, Hoseop; Rotermund, Fabian; Kwon, O-Pil

doi:10.1016/j.dyepig.2021.109433

Publication type:	Article in scientific journal
Type of review:	Peer review (publication)
Title:	New benzothiazolium crystals with very large off-diagonal optical nonlinearity
Authors:	Kim, Seung-Jun Yu, In Cheol Lee, Ji-Ah Kim, Won Tae Jazbinsek, Mojca Yoon, Woojin Yun, Hoseop Rotermund, Fabian Kwon, O-Pil
et. al:	No
DOI:	10.1016/j.dyepig.2021.109433
Published in:	Dyes and Pigments
Volume(Issue):	192
Issue:	109433
Issue Date:	Aug-2021
Publisher / Ed. Institution:	Elsevier
ISSN:	0143-7208
Language:	English
Subjects:	THz photonics; Organic crystal; Nonlinear optics; Electro-optics
Subject (DDC):	621.3: Electrical, communications, control engineering
Abstract:	In this study, we develop new organic benzothiazolium crystals possessing very large off-diagonal optical nonlinearity. In these crystals, benzothiazolium-based 2-(4-(4-(hydroxymethyl)piperidin-1-yl)styryl)-3-methyl-benzothiazol-3-ium (PMB) cations with large molecular optical nonlinearity are incorporated with two anions: 4 (trifluoromethoxy)benzenesulfonate (TFO) with an orthogonal non-planar shape and 5-bromothiophene-2-sulfonate (BTS) with a planar shape. Both PMB-TFO and PMB-BTS crystals exhibit state-of-the-art off-diagonal effective hyperpolarizability that results from the V-shape and X-shape alignments of PMB chromophores, respectively. Newly developed PMB crystals indicate excellent characteristics for second-order nonlinear optical applications such as difference-frequency generation (e.g. optical rectification) and sum-frequency generation (e.g. second-harmonic generation), which are comparable to current benchmark organic crystals.
URI:	https://digitalcollection.zhaw.ch/handle/11475/24344
Fulltext version:	Published version
License (according to publishing contract):	Licence according to publishing contract
Departement:	School of Engineering
Organisational Unit:	Institute of Computational Physics (ICP)
Published as part of the ZHAW project:	Molecular Phonon-Mode Engineering for All-Organic Gap-Free THz Photonics
Appears in collections:	Publikationen School of Engineering

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Kim, S.-J., Yu, I. C., Lee, J.-A., Kim, W. T., Jazbinsek, M., Yoon, W., Yun, H., Rotermund, F., & Kwon, O.-P. (2021). New benzothiazolium crystals with very large off-diagonal optical nonlinearity. Dyes and Pigments, 192(109433). https://doi.org/10.1016/j.dyepig.2021.109433

Kim, S.-J. et al. (2021) ‘New benzothiazolium crystals with very large off-diagonal optical nonlinearity’, Dyes and Pigments, 192(109433). Available at: https://doi.org/10.1016/j.dyepig.2021.109433.

S.-J. Kim et al., “New benzothiazolium crystals with very large off-diagonal optical nonlinearity,” Dyes and Pigments, vol. 192, no. 109433, Aug. 2021, doi: 10.1016/j.dyepig.2021.109433.

KIM, Seung-Jun, In Cheol YU, Ji-Ah LEE, Won Tae KIM, Mojca JAZBINSEK, Woojin YOON, Hoseop YUN, Fabian ROTERMUND und O-Pil KWON, 2021. New benzothiazolium crystals with very large off-diagonal optical nonlinearity. Dyes and Pigments. August 2021. Bd. 192, Nr. 109433. DOI 10.1016/j.dyepig.2021.109433

Kim, Seung-Jun, In Cheol Yu, Ji-Ah Lee, Won Tae Kim, Mojca Jazbinsek, Woojin Yoon, Hoseop Yun, Fabian Rotermund, and O-Pil Kwon. 2021. “New Benzothiazolium Crystals with Very Large Off-Diagonal Optical Nonlinearity.” Dyes and Pigments 192 (109433). https://doi.org/10.1016/j.dyepig.2021.109433.

Kim, Seung-Jun, et al. “New Benzothiazolium Crystals with Very Large Off-Diagonal Optical Nonlinearity.” Dyes and Pigments, vol. 192, no. 109433, Aug. 2021, https://doi.org/10.1016/j.dyepig.2021.109433.