Monolayer tungsten disulfide in photonic environment: Angle-resolved weak and strong light-matter coupling
Light-matter interactions in two-dimensional transition metal dichalcogenides (TMDs) are sensitive to the surrounding dielectric environment. Depending on the interacting strength, weak and strong exciton-photon coupling effects can occur when the exciton energy is resonant with the one of photon. H...
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| Veröffentlicht in: | Nano research 2022-06, Vol.15 (6), p.5619-5625 |
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| creator | Zhang, Xuewen Wu, Lishu Wang, Xu He, Silin Hu, Hanwei Shi, Guangchao Zhang, Xingwang Shang, Jingzhi Yu, Ting |
| description | Light-matter interactions in two-dimensional transition metal dichalcogenides (TMDs) are sensitive to the surrounding dielectric environment. Depending on the interacting strength, weak and strong exciton-photon coupling effects can occur when the exciton energy is resonant with the one of photon. Here we report angle-resolved spectroscopic signatures of monolayer tungsten disulfide (1L-WS
2
) in weak and strong exciton-photon coupling environments. Inherent optical response of 1L-WS
2
in the momentum space is uncovered by employing a dielectric mirror as substrate, where the energy dispersion is angle-independent while the amplitudes increase at high detection angles. When 1L-WS
2
sits on top of a dielectric layer on silicon, the resonant trapped photon weakly couples with the exciton, in which the minimum of reflection dip shifts at both sides of the crossing angle while the emitted exciton energy remains unchanged. The unusual shift of reflection dip is attributed to the presence of Fano resonance under white-light illumination. By embedding 1L-WS
2
into a dielectric microcavity, strong exciton-photon coupling results in the formation of lower and upper polariton branches with an appreciable Rabi splitting of 34 meV at room temperature, where the observed blueshift of the lower polariton branch is indicative of the enhanced polariton-polariton scattering. Our findings highlight the effect of dielectric environment on angle-resolved optical response of exciton-photon interactions in a two-dimensional semiconductor, which is helpful to develop practical TMD-based architectures for photonic and polaritonic applications. |
| doi_str_mv | 10.1007/s12274-022-4143-7 |
| format | Article |
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2
) in weak and strong exciton-photon coupling environments. Inherent optical response of 1L-WS
2
in the momentum space is uncovered by employing a dielectric mirror as substrate, where the energy dispersion is angle-independent while the amplitudes increase at high detection angles. When 1L-WS
2
sits on top of a dielectric layer on silicon, the resonant trapped photon weakly couples with the exciton, in which the minimum of reflection dip shifts at both sides of the crossing angle while the emitted exciton energy remains unchanged. The unusual shift of reflection dip is attributed to the presence of Fano resonance under white-light illumination. By embedding 1L-WS
2
into a dielectric microcavity, strong exciton-photon coupling results in the formation of lower and upper polariton branches with an appreciable Rabi splitting of 34 meV at room temperature, where the observed blueshift of the lower polariton branch is indicative of the enhanced polariton-polariton scattering. Our findings highlight the effect of dielectric environment on angle-resolved optical response of exciton-photon interactions in a two-dimensional semiconductor, which is helpful to develop practical TMD-based architectures for photonic and polaritonic applications.</description><identifier>ISSN: 1998-0124</identifier><identifier>EISSN: 1998-0000</identifier><identifier>DOI: 10.1007/s12274-022-4143-7</identifier><language>eng</language><publisher>Beijing: Tsinghua University Press</publisher><subject>Atomic/Molecular Structure and Spectra ; Biomedicine ; Biotechnology ; Chemistry and Materials Science ; Condensed Matter Physics ; Coupling ; Dielectric strength ; Embedding ; Energy ; Excitons ; Fano resonance ; Light ; Materials Science ; Monolayers ; Nanotechnology ; Optical properties ; Photonics ; Photons ; Polaritons ; Reflection ; Research Article ; Room temperature ; Semiconductors ; Spectrum analysis ; Substrates ; Transition metal compounds ; Tungsten ; Tungsten disulfide ; White light</subject><ispartof>Nano research, 2022-06, Vol.15 (6), p.5619-5625</ispartof><rights>Tsinghua University Press 2022</rights><rights>Tsinghua University Press 2022.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-52ddc4c74dfc6b781c9a80a86b4a24361e9b034ff343344e685277857f4933a33</citedby><cites>FETCH-LOGICAL-c316t-52ddc4c74dfc6b781c9a80a86b4a24361e9b034ff343344e685277857f4933a33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12274-022-4143-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12274-022-4143-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27931,27932,41495,42564,51326</link.rule.ids></links><search><creatorcontrib>Zhang, Xuewen</creatorcontrib><creatorcontrib>Wu, Lishu</creatorcontrib><creatorcontrib>Wang, Xu</creatorcontrib><creatorcontrib>He, Silin</creatorcontrib><creatorcontrib>Hu, Hanwei</creatorcontrib><creatorcontrib>Shi, Guangchao</creatorcontrib><creatorcontrib>Zhang, Xingwang</creatorcontrib><creatorcontrib>Shang, Jingzhi</creatorcontrib><creatorcontrib>Yu, Ting</creatorcontrib><title>Monolayer tungsten disulfide in photonic environment: Angle-resolved weak and strong light-matter coupling</title><title>Nano research</title><addtitle>Nano Res</addtitle><description>Light-matter interactions in two-dimensional transition metal dichalcogenides (TMDs) are sensitive to the surrounding dielectric environment. Depending on the interacting strength, weak and strong exciton-photon coupling effects can occur when the exciton energy is resonant with the one of photon. Here we report angle-resolved spectroscopic signatures of monolayer tungsten disulfide (1L-WS
2
) in weak and strong exciton-photon coupling environments. Inherent optical response of 1L-WS
2
in the momentum space is uncovered by employing a dielectric mirror as substrate, where the energy dispersion is angle-independent while the amplitudes increase at high detection angles. When 1L-WS
2
sits on top of a dielectric layer on silicon, the resonant trapped photon weakly couples with the exciton, in which the minimum of reflection dip shifts at both sides of the crossing angle while the emitted exciton energy remains unchanged. The unusual shift of reflection dip is attributed to the presence of Fano resonance under white-light illumination. By embedding 1L-WS
2
into a dielectric microcavity, strong exciton-photon coupling results in the formation of lower and upper polariton branches with an appreciable Rabi splitting of 34 meV at room temperature, where the observed blueshift of the lower polariton branch is indicative of the enhanced polariton-polariton scattering. Our findings highlight the effect of dielectric environment on angle-resolved optical response of exciton-photon interactions in a two-dimensional semiconductor, which is helpful to develop practical TMD-based architectures for photonic and polaritonic applications.</description><subject>Atomic/Molecular Structure and Spectra</subject><subject>Biomedicine</subject><subject>Biotechnology</subject><subject>Chemistry and Materials Science</subject><subject>Condensed Matter Physics</subject><subject>Coupling</subject><subject>Dielectric strength</subject><subject>Embedding</subject><subject>Energy</subject><subject>Excitons</subject><subject>Fano resonance</subject><subject>Light</subject><subject>Materials Science</subject><subject>Monolayers</subject><subject>Nanotechnology</subject><subject>Optical properties</subject><subject>Photonics</subject><subject>Photons</subject><subject>Polaritons</subject><subject>Reflection</subject><subject>Research Article</subject><subject>Room temperature</subject><subject>Semiconductors</subject><subject>Spectrum analysis</subject><subject>Substrates</subject><subject>Transition metal compounds</subject><subject>Tungsten</subject><subject>Tungsten disulfide</subject><subject>White light</subject><issn>1998-0124</issn><issn>1998-0000</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kE1PAyEURYnRxFr9Ae5IXKN8dWDcNY1fSY0bXRPKMFPqFCowNf33Ykbjyrd5b3HufckB4JLga4KxuEmEUsERphRxwhkSR2BC6loiXOb49yaUn4KzlDYYV5RwOQGb5-BDrw82wjz4LmXrYePS0LeusdB5uFuHHLwz0Pq9i8Fvrc-3cO673qJoU-j3toGfVr9D7RuYckE62LtundFW51x6TRh2vfPdOThpdZ_sxc-egrf7u9fFI1q-PDwt5ktkGKkymtGmMdwI3rSmWglJTK0l1rJacU05q4itV5jxtmWcMc5tJWdUCDkTLa8Z04xNwdXYu4vhY7Apq00Yoi8vFa0EKx2iloUiI2ViSCnaVu2i2-p4UASrb6VqVKqKUvWtVImSoWMmFdZ3Nv41_x_6AtwOek4</recordid><startdate>20220601</startdate><enddate>20220601</enddate><creator>Zhang, Xuewen</creator><creator>Wu, Lishu</creator><creator>Wang, Xu</creator><creator>He, Silin</creator><creator>Hu, 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tungsten disulfide in photonic environment: Angle-resolved weak and strong light-matter coupling</title><author>Zhang, Xuewen ; Wu, Lishu ; Wang, Xu ; He, Silin ; Hu, Hanwei ; Shi, Guangchao ; Zhang, Xingwang ; Shang, Jingzhi ; Yu, Ting</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-52ddc4c74dfc6b781c9a80a86b4a24361e9b034ff343344e685277857f4933a33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Atomic/Molecular Structure and Spectra</topic><topic>Biomedicine</topic><topic>Biotechnology</topic><topic>Chemistry and Materials Science</topic><topic>Condensed Matter Physics</topic><topic>Coupling</topic><topic>Dielectric strength</topic><topic>Embedding</topic><topic>Energy</topic><topic>Excitons</topic><topic>Fano resonance</topic><topic>Light</topic><topic>Materials Science</topic><topic>Monolayers</topic><topic>Nanotechnology</topic><topic>Optical properties</topic><topic>Photonics</topic><topic>Photons</topic><topic>Polaritons</topic><topic>Reflection</topic><topic>Research Article</topic><topic>Room temperature</topic><topic>Semiconductors</topic><topic>Spectrum analysis</topic><topic>Substrates</topic><topic>Transition metal compounds</topic><topic>Tungsten</topic><topic>Tungsten disulfide</topic><topic>White light</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Xuewen</creatorcontrib><creatorcontrib>Wu, Lishu</creatorcontrib><creatorcontrib>Wang, Xu</creatorcontrib><creatorcontrib>He, Silin</creatorcontrib><creatorcontrib>Hu, Hanwei</creatorcontrib><creatorcontrib>Shi, Guangchao</creatorcontrib><creatorcontrib>Zhang, Xingwang</creatorcontrib><creatorcontrib>Shang, Jingzhi</creatorcontrib><creatorcontrib>Yu, Ting</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Aluminium Industry 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disulfide in photonic environment: Angle-resolved weak and strong light-matter coupling</atitle><jtitle>Nano research</jtitle><stitle>Nano Res</stitle><date>2022-06-01</date><risdate>2022</risdate><volume>15</volume><issue>6</issue><spage>5619</spage><epage>5625</epage><pages>5619-5625</pages><issn>1998-0124</issn><eissn>1998-0000</eissn><abstract>Light-matter interactions in two-dimensional transition metal dichalcogenides (TMDs) are sensitive to the surrounding dielectric environment. Depending on the interacting strength, weak and strong exciton-photon coupling effects can occur when the exciton energy is resonant with the one of photon. Here we report angle-resolved spectroscopic signatures of monolayer tungsten disulfide (1L-WS
2
) in weak and strong exciton-photon coupling environments. Inherent optical response of 1L-WS
2
in the momentum space is uncovered by employing a dielectric mirror as substrate, where the energy dispersion is angle-independent while the amplitudes increase at high detection angles. When 1L-WS
2
sits on top of a dielectric layer on silicon, the resonant trapped photon weakly couples with the exciton, in which the minimum of reflection dip shifts at both sides of the crossing angle while the emitted exciton energy remains unchanged. The unusual shift of reflection dip is attributed to the presence of Fano resonance under white-light illumination. By embedding 1L-WS
2
into a dielectric microcavity, strong exciton-photon coupling results in the formation of lower and upper polariton branches with an appreciable Rabi splitting of 34 meV at room temperature, where the observed blueshift of the lower polariton branch is indicative of the enhanced polariton-polariton scattering. Our findings highlight the effect of dielectric environment on angle-resolved optical response of exciton-photon interactions in a two-dimensional semiconductor, which is helpful to develop practical TMD-based architectures for photonic and polaritonic applications.</abstract><cop>Beijing</cop><pub>Tsinghua University Press</pub><doi>10.1007/s12274-022-4143-7</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1998-0124 |
| ispartof | Nano research, 2022-06, Vol.15 (6), p.5619-5625 |
| issn | 1998-0124 1998-0000 |
| language | eng |
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| source | SpringerNature Journals |
| subjects | Atomic/Molecular Structure and Spectra Biomedicine Biotechnology Chemistry and Materials Science Condensed Matter Physics Coupling Dielectric strength Embedding Energy Excitons Fano resonance Light Materials Science Monolayers Nanotechnology Optical properties Photonics Photons Polaritons Reflection Research Article Room temperature Semiconductors Spectrum analysis Substrates Transition metal compounds Tungsten Tungsten disulfide White light |
| title | Monolayer tungsten disulfide in photonic environment: Angle-resolved weak and strong light-matter coupling |
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