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Please use this identifier to cite or link to this item: https://doi.org/10.21256/zhaw-21558
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dc.contributor.authorShin, Myeong‐Hoon-
dc.contributor.authorKim, Won Tae-
dc.contributor.authorKim, Se‐In-
dc.contributor.authorKim, Seung‐Jun-
dc.contributor.authorYu, In Cheol-
dc.contributor.authorKim, Sang‐Wook-
dc.contributor.authorJazbinsek, Mojca-
dc.contributor.authorYoon, Woojin-
dc.contributor.authorYun, Hoseop-
dc.contributor.authorRotermund, Fabian-
dc.contributor.authorKwon, O‐Pil-
dc.date.accessioned2021-02-04T13:29:47Z-
dc.date.available2021-02-04T13:29:47Z-
dc.date.issued2020-
dc.identifier.issn2198-3844de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/21558-
dc.description.abstractNew organic THz generators are designed herein by molecular engineering of the refractive index, phonon mode, and spatial asymmetry. These benzothiazolium crystals simultaneously satisfy the crucial requirements for efficient THz wave generation, including having nonlinear optical chromophores with parallel alignment that provide large optical nonlinearity; good phase matching for enhancing the THz generation efficiency in the near-infrared region; strong intermolecular interactions that provide restraining THz self-absorption; high solubility that promotes good crystal growth ability; and a plate-like crystal morphology with excellent optical quality. Consequently, the as-grown benzothiazolium crystals exhibit excellent characteristics for THz wave generation, particularly at near-infrared pump wavelengths around 1100 nm, which is very promising given the availability of femtosecond laser sources at this wavelength, where current conventional THz generators deliver relatively low optical-to-THz conversion efficiencies. Compared to a 1.0-mm-thick ZnTe crystal as an inorganic benchmark, the 0.28-mm-thick benzothiazolium crystal yields a 19 times higher peak-to-peak THz electric field with a broader spectral bandwidth (>6.5 THz) when pumped at 1140 nm. The present work provides a valuable approach toward realizing organic crystals that can be pumped by near-infrared sources for efficient THz wave generation.de_CH
dc.language.isoende_CH
dc.publisherWileyde_CH
dc.relation.ispartofAdvanced Sciencede_CH
dc.rightshttp://creativecommons.org/licenses/by/4.0/de_CH
dc.subjectNonlinear opticsde_CH
dc.subjectOrganic crystalsde_CH
dc.subjectTerahertz wavesde_CH
dc.subjectTHz photonicsde_CH
dc.subject.ddc540: Chemiede_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titleOrganic broadband THz generators optimized for efficient near‐infrared optical pumpingde_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/advs.202001738de_CH
dc.identifier.doi10.21256/zhaw-21558-
dc.identifier.pmid33101871de_CH
zhaw.funding.euNode_CH
zhaw.issue20de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.start2001738de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume7de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.funding.snf188194de_CH
zhaw.webfeedPhotonicsde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Shin, M.-H., Kim, W. T., Kim, S.-I., Kim, S.-J., Yu, I. C., Kim, S.-W., Jazbinsek, M., Yoon, W., Yun, H., Rotermund, F., & Kwon, O.-P. (2020). Organic broadband THz generators optimized for efficient near‐infrared optical pumping. Advanced Science, 7(20), 2001738. https://doi.org/10.1002/advs.202001738
Shin, M.-H. et al. (2020) ‘Organic broadband THz generators optimized for efficient near‐infrared optical pumping’, Advanced Science, 7(20), p. 2001738. Available at: https://doi.org/10.1002/advs.202001738.
M.-H. Shin et al., “Organic broadband THz generators optimized for efficient near‐infrared optical pumping,” Advanced Science, vol. 7, no. 20, p. 2001738, 2020, doi: 10.1002/advs.202001738.
SHIN, Myeong‐Hoon, Won Tae KIM, Se‐In KIM, Seung‐Jun KIM, In Cheol YU, Sang‐Wook KIM, Mojca JAZBINSEK, Woojin YOON, Hoseop YUN, Fabian ROTERMUND und O‐Pil KWON, 2020. Organic broadband THz generators optimized for efficient near‐infrared optical pumping. Advanced Science. 2020. Bd. 7, Nr. 20, S. 2001738. DOI 10.1002/advs.202001738
Shin, Myeong‐Hoon, Won Tae Kim, Se‐In Kim, Seung‐Jun Kim, In Cheol Yu, Sang‐Wook Kim, Mojca Jazbinsek, et al. 2020. “Organic Broadband THz Generators Optimized for Efficient near‐Infrared Optical Pumping.” Advanced Science 7 (20): 2001738. https://doi.org/10.1002/advs.202001738.
Shin, Myeong-Hoon, et al. “Organic Broadband THz Generators Optimized for Efficient near‐Infrared Optical Pumping.” Advanced Science, vol. 7, no. 20, 2020, p. 2001738, https://doi.org/10.1002/advs.202001738.


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