A magnetic non-reciprocal isolator for broadband terahertz operation (Articolo in rivista)

Type
Label
  • A magnetic non-reciprocal isolator for broadband terahertz operation (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/ncomms2572 (literal)
Alternative label
  • Mostafa Shalaby (1); Marco Peccianti (2); Yavuz Ozturk (1,3); Roberto Morandotti (1) (2013)
    A magnetic non-reciprocal isolator for broadband terahertz operation
    in Nature communications
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mostafa Shalaby (1); Marco Peccianti (2); Yavuz Ozturk (1,3); Roberto Morandotti (1) (literal)
Pagina inizio
  • art_n_1558 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.nature.com/ncomms/journal/v4/n3/full/ncomms2572.html (literal)
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  • 4 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) INRS-EMT, Varennes, Québec J3x 1S2, Canada (2) Institute for Complex Systems-CNR, Via dei Taurini 19, Rome 00185, Italy (3) Electrical and Electronics Engineering Department, Ege University, Izmir 35100, Turkey (literal)
Titolo
  • A magnetic non-reciprocal isolator for broadband terahertz operation (literal)
Abstract
  • A 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/T, obtained using a SrFe 12 O 19 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. (literal)
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