Enhanced second-harmonic generation from two-dimensional MoSe2 on a silicon waveguide.

Chen, H; Corboliou, V; Solntsev, AS; Choi, D-Y; Vincenti, MA; de Ceglia, D; de Angelis, C; Lu, Y; Neshev, DN

Enhanced second-harmonic generation from two-dimensional MoSe2 on a silicon waveguide.

Chen, H Corboliou, V Solntsev, AS Choi, D-Y Vincenti, MA de Ceglia, D de Angelis, C Lu, Y Neshev, DN

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Publisher:: Springer Nature [academic journals on nature.com]
Publication Type:: Journal Article
Citation:: Light: Science and Applications, 2017, 6, (10), pp. 1-7
Issue Date:: 2017-10

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Field	Value	Language
dc.contributor.author	Chen, H
dc.contributor.author	Corboliou, V
dc.contributor.author	Solntsev, AS
dc.contributor.author	Choi, D-Y
dc.contributor.author	Vincenti, MA
dc.contributor.author	de Ceglia, D
dc.contributor.author	de Angelis, C
dc.contributor.author	Lu, Y
dc.contributor.author	Neshev, DN
dc.date.accessioned	2022-08-02T05:55:47Z
dc.date.available	2017-03-29
dc.date.available	2022-08-02T05:55:47Z
dc.date.issued	2017-10
dc.identifier.citation	Light: Science and Applications, 2017, 6, (10), pp. 1-7
dc.identifier.issn	2047-7538
dc.identifier.issn	2047-7538
dc.identifier.uri	http://hdl.handle.net/10453/159488
dc.description.abstract	Two-dimensional transition-metal dichalcogenides (TMDCs) with intrinsically broken crystal inversion symmetry and large second-order nonlinear responses have shown great promise for future nonlinear light sources. However, the sub-nanometer monolayer thickness of such materials limits the length of their nonlinear interaction with light. Here, we experimentally demonstrate the enhancement of the second-harmonic generation from monolayer MoSe2 by its integration onto a 220-nm-thick silicon waveguide. Such on-chip integration allows for a marked increase in the interaction length between the MoSe2 and the waveguide mode, further enabling phase matching of the nonlinear process. The demonstrated TMDC-silicon photonic hybrid integration opens the door to second-order nonlinear effects within the silicon photonic platform, including efficient frequency conversion, parametric amplification and the generation of entangled photon pairs.
dc.format	Electronic-eCollection
dc.language	eng
dc.publisher	Springer Nature [academic journals on nature.com]
dc.relation.ispartof	Light: Science and Applications
dc.relation.isbasedon	10.1038/lsa.2017.60
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0205 Optical Physics
dc.title	Enhanced second-harmonic generation from two-dimensional MoSe2 on a silicon waveguide.
dc.type	Journal Article
utslib.citation.volume	6
utslib.location.activity	England
utslib.for	0205 Optical Physics
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-08-02T05:55:36Z
pubs.issue	10
pubs.publication-status	Published
pubs.volume	6
utslib.citation.issue	10

Abstract:

Two-dimensional transition-metal dichalcogenides (TMDCs) with intrinsically broken crystal inversion symmetry and large second-order nonlinear responses have shown great promise for future nonlinear light sources. However, the sub-nanometer monolayer thickness of such materials limits the length of their nonlinear interaction with light. Here, we experimentally demonstrate the enhancement of the second-harmonic generation from monolayer MoSe2 by its integration onto a 220-nm-thick silicon waveguide. Such on-chip integration allows for a marked increase in the interaction length between the MoSe2 and the waveguide mode, further enabling phase matching of the nonlinear process. The demonstrated TMDC-silicon photonic hybrid integration opens the door to second-order nonlinear effects within the silicon photonic platform, including efficient frequency conversion, parametric amplification and the generation of entangled photon pairs.

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http://hdl.handle.net/10453/159488