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dc.contributor.authorSeok, Jin‐Hong-
dc.contributor.authorKim, Deokjoong-
dc.contributor.authorKim, Won Tae-
dc.contributor.authorKim, Seung‐Jun-
dc.contributor.authorYoon, Woojin-
dc.contributor.authorYoon, Ga‐Eun-
dc.contributor.authorYu, In Cheol-
dc.contributor.authorJazbinsek, Mojca-
dc.contributor.authorKim, Sang‐Wook-
dc.contributor.authorYun, Hoseop-
dc.contributor.authorKim, Dongwook-
dc.contributor.authorRotermund, Fabian-
dc.contributor.authorKwon, O‐Pil-
dc.date.accessioned2022-03-01T15:17:10Z-
dc.date.available2022-03-01T15:17:10Z-
dc.date.issued2021-
dc.identifier.issn2195-1071de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/24340-
dc.description.abstractNewly designed halogenated organic quinolinium crystals proposed in this work provide fully optimized molecular ordering for maximizing the optical nonlinearity and high-performance broadband terahertz (THz) wave generation. The ultralarge diagonal optical nonlinearity (almost 300 × 10−30 esu) of the new halogenated crystals is approximately two times larger than that of state-of-the-art pyridinium-based crystals. In contrast, nonhalogenated analogous crystals exhibit very low (or vanishing) diagonal optical nonlinearity. This is attributed to halogen-induced unique interionic interactions and fine-tuning of the space-filling characteristics. In addition, the halogenated crystals show a good ability for bulk crystal growth of few millimetres lateral size with plate-like morphology and high thermal stability that are finally required for real-world applications. The new halogenated quinolinium crystals exhibit excellent THz wave generation characteristics, significantly surpassing the limit of conversion efficiency and spectral bandwidth of inorganic benchmark crystals. A 0.16 mm thick chlorinated crystal generates a 29-times larger THz field than 1.0 mm thick inorganic ZnTe crystals at 1500 nm pump wavelength with a flat and broadband spectrum extending up to ≈8 THz. Therefore, introducing halogen substituents is a potential design strategy for designing new organic crystals showing ultralarge macroscopic hyperpolarizability and high-performance THz wave generation.de_CH
dc.language.isoende_CH
dc.publisherWileyde_CH
dc.relation.ispartofAdvanced Optical Materialsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectTHz photonicsde_CH
dc.subjectNonlinear opticsde_CH
dc.subjectElectro-optic crystalde_CH
dc.subjectHalogenated organic crystalde_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titleOrganic THz generators : a design strategy for organic crystals with ultralarge macroscopic hyperpolarizabilityde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
dc.identifier.doi10.1002/adom.202100324de_CH
zhaw.funding.euNode_CH
zhaw.issue19de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.start2100324de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume9de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.funding.snf188194de_CH
zhaw.webfeedPhotonicsde_CH
zhaw.funding.zhawMolecular Phonon-Mode Engineering for All-Organic Gap-Free THz Photonicsde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Seok, J.-H., Kim, D., Kim, W. T., Kim, S.-J., Yoon, W., Yoon, G.-E., Yu, I. C., Jazbinsek, M., Kim, S.-W., Yun, H., Kim, D., Rotermund, F., & Kwon, O.-P. (2021). Organic THz generators : a design strategy for organic crystals with ultralarge macroscopic hyperpolarizability. Advanced Optical Materials, 9(19), 2100324. https://doi.org/10.1002/adom.202100324
Seok, J.-H. et al. (2021) ‘Organic THz generators : a design strategy for organic crystals with ultralarge macroscopic hyperpolarizability’, Advanced Optical Materials, 9(19), p. 2100324. Available at: https://doi.org/10.1002/adom.202100324.
J.-H. Seok et al., “Organic THz generators : a design strategy for organic crystals with ultralarge macroscopic hyperpolarizability,” Advanced Optical Materials, vol. 9, no. 19, p. 2100324, 2021, doi: 10.1002/adom.202100324.
SEOK, Jin‐Hong, Deokjoong KIM, Won Tae KIM, Seung‐Jun KIM, Woojin YOON, Ga‐Eun YOON, In Cheol YU, Mojca JAZBINSEK, Sang‐Wook KIM, Hoseop YUN, Dongwook KIM, Fabian ROTERMUND und O‐Pil KWON, 2021. Organic THz generators : a design strategy for organic crystals with ultralarge macroscopic hyperpolarizability. Advanced Optical Materials. 2021. Bd. 9, Nr. 19, S. 2100324. DOI 10.1002/adom.202100324
Seok, Jin‐Hong, Deokjoong Kim, Won Tae Kim, Seung‐Jun Kim, Woojin Yoon, Ga‐Eun Yoon, In Cheol Yu, et al. 2021. “Organic THz Generators : A Design Strategy for Organic Crystals with Ultralarge Macroscopic Hyperpolarizability.” Advanced Optical Materials 9 (19): 2100324. https://doi.org/10.1002/adom.202100324.
Seok, Jin-Hong, et al. “Organic THz Generators : A Design Strategy for Organic Crystals with Ultralarge Macroscopic Hyperpolarizability.” Advanced Optical Materials, vol. 9, no. 19, 2021, p. 2100324, https://doi.org/10.1002/adom.202100324.


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