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Article: Microfluidic integrated metamaterials for active terahertz photonics

TitleMicrofluidic integrated metamaterials for active terahertz photonics
Authors
KeywordsDamping
Metamaterials
Microfluidics
Molecules
Photonics
Issue Date2019
PublisherOptical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/prj/home.cfm
Citation
Photonics Research, 2019, v. 7 n. 12, p. 1400-1406 How to Cite?
AbstractA depletion layer played by aqueous organic liquids flowing in a platform of microfluidic integrated metamaterials is experimentally used to actively modulate terahertz (THz) waves. The polar configuration of water molecules in a depletion layer gives rise to a damping of THz waves. The parallel coupling of the damping effect induced by a depletion layer with the resonant response by metamaterials leads to an excellent modulation depth approaching 90% in intensity and a great difference over 210° in phase shift. Also, a tunability of slow-light effect is displayed. Joint time-frequency analysis performed by the continuous wavelet transforms reveals the consumed energy with varying water content, indicating a smaller moment of inertia related to a shortened relaxation time of the depletion layer. This work, as part of THz aqueous photonics, diametrically highlights the availability of water in THz devices, paving an alternative way of studying THz wave–liquid interactions and developing active THz photonics.
DescriptionLink to Open access
Persistent Identifierhttp://hdl.handle.net/10722/280097
ISSN
2023 Impact Factor: 6.6
2023 SCImago Journal Rankings: 2.056
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhang, Z-
dc.contributor.authorGao, J-
dc.contributor.authorYang, M-S-
dc.contributor.authorYan, X-
dc.contributor.authorLu, Y-Y-
dc.contributor.authorWu, L-
dc.contributor.authorLi, J-
dc.contributor.authorWei, D-
dc.contributor.authorLiu, L-H-
dc.contributor.authorXie, J-H-
dc.contributor.authorLiang, L-
dc.contributor.authorYao, J-Q-
dc.date.accessioned2020-01-06T02:00:54Z-
dc.date.available2020-01-06T02:00:54Z-
dc.date.issued2019-
dc.identifier.citationPhotonics Research, 2019, v. 7 n. 12, p. 1400-1406-
dc.identifier.issn2327-9125-
dc.identifier.urihttp://hdl.handle.net/10722/280097-
dc.descriptionLink to Open access-
dc.description.abstractA depletion layer played by aqueous organic liquids flowing in a platform of microfluidic integrated metamaterials is experimentally used to actively modulate terahertz (THz) waves. The polar configuration of water molecules in a depletion layer gives rise to a damping of THz waves. The parallel coupling of the damping effect induced by a depletion layer with the resonant response by metamaterials leads to an excellent modulation depth approaching 90% in intensity and a great difference over 210° in phase shift. Also, a tunability of slow-light effect is displayed. Joint time-frequency analysis performed by the continuous wavelet transforms reveals the consumed energy with varying water content, indicating a smaller moment of inertia related to a shortened relaxation time of the depletion layer. This work, as part of THz aqueous photonics, diametrically highlights the availability of water in THz devices, paving an alternative way of studying THz wave–liquid interactions and developing active THz photonics.-
dc.languageeng-
dc.publisherOptical Society of America. The Journal's web site is located at http://www.opticsinfobase.org/prj/home.cfm-
dc.relation.ispartofPhotonics Research-
dc.rightsPhotonics Research. Copyright © Optical Society of America.-
dc.rights© 2019 [year] Optical Society of America]. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.-
dc.subjectDamping-
dc.subjectMetamaterials-
dc.subjectMicrofluidics-
dc.subjectMolecules-
dc.subjectPhotonics-
dc.titleMicrofluidic integrated metamaterials for active terahertz photonics-
dc.typeArticle-
dc.identifier.emailGao, J: jugao@hku.hk-
dc.identifier.authorityGao, J=rp00699-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1364/PRJ.7.001400-
dc.identifier.scopuseid_2-s2.0-85076697189-
dc.identifier.hkuros308863-
dc.identifier.volume7-
dc.identifier.issue12-
dc.identifier.spage1400-
dc.identifier.epage1406-
dc.identifier.isiWOS:000500910500007-
dc.publisher.placeUnited States-
dc.identifier.issnl2327-9125-

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