A magnetic non-reciprocal isolator for broadband terahertz operation

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dc.contributor.authorShalaby, Mostafa
dc.contributor.authorPeccianti, Marco
dc.contributor.authorOzturk, Yavuz
dc.contributor.authorMorandotti, Roberto
dc.date.accessioned2019-10-27T21:52:46Z
dc.date.available2019-10-27T21:52:46Z
dc.date.issued2013
dc.departmentEge Üniversitesien_US
dc.description.abstractA Faraday isolator is an electromagnetic non-reciprocal device, a key element in photonics. It is required to shield electromagnetic sources against the effect of back-reflected light, as well as to limit the detrimental effect of back-propagating spontaneous emissions. A common isolator variant, the circulator, is widely used to obtain a complete separation between forward-and backward-propagating waves, thus enabling the realization of a desired transfer function in reflection only. Here we demonstrate a non-reciprocal terahertz Faraday isolator, operating on a bandwidth exceeding one decade of frequency, a necessary requirement to achieve isolation with the (few-cycle) pulses generated by broadband sources. The exploited medium allows a broadband rotation, up to 194 degrees/T, obtained using a SrFe12O19 terahertz-transparent permanent magnet. This in turn enables the design of a stand-alone complete terahertz isolator without resorting to an external magnetic field bias, as opposed to all the optical isolators realized so far.en_US
dc.description.sponsorshipFonds de recherche du Quebec-Nature et technologies (FRQNT); Natural Sciences and Engineering Research Council of Canada (NSERC)Natural Sciences and Engineering Research Council of Canadaen_US
dc.description.sponsorshipThis work was supported by the Fonds de recherche du Quebec-Nature et technologies (FRQNT) and the Natural Sciences and Engineering Research Council of Canada (NSERC). M. S. acknowledges a FQRNT MELS scholarship. We wish to thank Dr Ibraheem Al-Naib (INRS-EMT) for his help in the calculation of the dielectric constant of the sample and Dr Alessia Pasquazi (INRS-EMT) for her theoretical insights on non-reciprocal systems. We would like to thank Prof Tsuneyuki Ozaki (INRS-EMT) for the support and the enlightening discussions.en_US
dc.identifier.doi10.1038/ncomms2572en_US
dc.identifier.issn2041-1723
dc.identifier.pmid23463001en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1038/ncomms2572
dc.identifier.urihttps://hdl.handle.net/11454/47731
dc.identifier.volume4en_US
dc.identifier.wosWOS:000318873900012en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherNature Publishing Groupen_US
dc.relation.ispartofNature Communicationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleA magnetic non-reciprocal isolator for broadband terahertz operationen_US
dc.typeArticleen_US

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