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Article: Phase mismatch-free nonlinear propagation in optical zero-index materials

TitlePhase mismatch-free nonlinear propagation in optical zero-index materials
Authors
Issue Date2013
Citation
Science, 2013, v. 342, n. 6163, p. 1223-1226 How to Cite?
AbstractPhase matching is a critical requirement for coherent nonlinear optical processes such as frequency conversion and parametric amplification. Phase mismatch prevents microscopic nonlinear sources from combining constructively, resulting in destructive interference and thus very low efficiency. We report the experimental demonstration of phase mismatch - free nonlinear generation in a zero-index optical metamaterial. In contrast to phase mismatch compensation techniques required in conventional nonlinear media, the zero index eliminates the need for phase matching, allowing efficient nonlinear generation in both forward and backward directions. We demonstrate phase mismatch - free nonlinear generation using intrapulse four-wave mixing, where we observed a forward-to-backward nonlinear emission ratio close to unity. The removal of phase matching in nonlinear optical metamaterials may lead to applications such as multidirectional frequency conversion and entangled photon generation.
Persistent Identifierhttp://hdl.handle.net/10722/256660
ISSN
2017 Impact Factor: 41.058
2015 SCImago Journal Rankings: 13.217
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSuchowski, Haim-
dc.contributor.authorO'Brien, Kevin-
dc.contributor.authorWong, Zi Jing-
dc.contributor.authorSalandrino, Alessandro-
dc.contributor.authorYin, Xiaobo-
dc.contributor.authorZhang, Xiang-
dc.date.accessioned2018-07-24T08:57:32Z-
dc.date.available2018-07-24T08:57:32Z-
dc.date.issued2013-
dc.identifier.citationScience, 2013, v. 342, n. 6163, p. 1223-1226-
dc.identifier.issn0036-8075-
dc.identifier.urihttp://hdl.handle.net/10722/256660-
dc.description.abstractPhase matching is a critical requirement for coherent nonlinear optical processes such as frequency conversion and parametric amplification. Phase mismatch prevents microscopic nonlinear sources from combining constructively, resulting in destructive interference and thus very low efficiency. We report the experimental demonstration of phase mismatch - free nonlinear generation in a zero-index optical metamaterial. In contrast to phase mismatch compensation techniques required in conventional nonlinear media, the zero index eliminates the need for phase matching, allowing efficient nonlinear generation in both forward and backward directions. We demonstrate phase mismatch - free nonlinear generation using intrapulse four-wave mixing, where we observed a forward-to-backward nonlinear emission ratio close to unity. The removal of phase matching in nonlinear optical metamaterials may lead to applications such as multidirectional frequency conversion and entangled photon generation.-
dc.languageeng-
dc.relation.ispartofScience-
dc.titlePhase mismatch-free nonlinear propagation in optical zero-index materials-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1126/science.1244303-
dc.identifier.scopuseid_2-s2.0-84889255121-
dc.identifier.volume342-
dc.identifier.issue6163-
dc.identifier.spage1223-
dc.identifier.epage1226-
dc.identifier.eissn1095-9203-
dc.identifier.isiWOS:000327857900045-

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