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- Publisher Website: 10.1126/science.1244303
- Scopus: eid_2-s2.0-84889255121
- PMID: 24311687
- WOS: WOS:000327857900045
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Article: Phase mismatch-free nonlinear propagation in optical zero-index materials
Title | Phase mismatch-free nonlinear propagation in optical zero-index materials |
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Authors | |
Issue Date | 2013 |
Citation | Science, 2013, v. 342, n. 6163, p. 1223-1226 How to Cite? |
Abstract | Phase 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 Identifier | http://hdl.handle.net/10722/256660 |
ISSN | 2021 Impact Factor: 63.714 2020 SCImago Journal Rankings: 12.556 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Suchowski, Haim | - |
dc.contributor.author | O'Brien, Kevin | - |
dc.contributor.author | Wong, Zi Jing | - |
dc.contributor.author | Salandrino, Alessandro | - |
dc.contributor.author | Yin, Xiaobo | - |
dc.contributor.author | Zhang, Xiang | - |
dc.date.accessioned | 2018-07-24T08:57:32Z | - |
dc.date.available | 2018-07-24T08:57:32Z | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | Science, 2013, v. 342, n. 6163, p. 1223-1226 | - |
dc.identifier.issn | 0036-8075 | - |
dc.identifier.uri | http://hdl.handle.net/10722/256660 | - |
dc.description.abstract | Phase 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.language | eng | - |
dc.relation.ispartof | Science | - |
dc.title | Phase mismatch-free nonlinear propagation in optical zero-index materials | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1126/science.1244303 | - |
dc.identifier.pmid | 24311687 | - |
dc.identifier.scopus | eid_2-s2.0-84889255121 | - |
dc.identifier.volume | 342 | - |
dc.identifier.issue | 6163 | - |
dc.identifier.spage | 1223 | - |
dc.identifier.epage | 1226 | - |
dc.identifier.eissn | 1095-9203 | - |
dc.identifier.isi | WOS:000327857900045 | - |
dc.identifier.issnl | 0036-8075 | - |