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Passive and active plasmonic nanoarray devices
KTH, Skolan för informations- och kommunikationsteknik (ICT), Fotonik och optik (Stängd 20120101), Fotonik (Stängd 20120101).
KTH, Skolan för informations- och kommunikationsteknik (ICT), Fotonik och optik (Stängd 20120101), Fotonik (Stängd 20120101).
KTH, Skolan för informations- och kommunikationsteknik (ICT), Fotonik och optik (Stängd 20120101), Fotonik (Stängd 20120101).
KTH, Skolan för informations- och kommunikationsteknik (ICT), Fotonik och optik (Stängd 20120101), Fotonik (Stängd 20120101).
Vise andre og tillknytning
2011 (engelsk)Inngår i: Metamaterials VI / [ed] Kuzmiak, Markos, Szoplik, SPIE - International Society for Optical Engineering, 2011, s. 80700T-1-80700T-6Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Metal nanoparticle arrays offer the possibility to considerably surpass the optical field confinement of silicon waveguides. The properties of directional couplers composed of such plasmonic nanoarrays are analyzed theoretically, while neglecting material losses. It is found that it is possible to generate very compact, submicron length, high fieldconfinement and functionality devices with very low switch energies. We further perform a study of spatial losses in Ag nanoparticle arrays by obtaining the group velocity and the lifetime of the surface plasmon polaritons. The losses are determined for different host permittivities, polarizations, and for spherical and spheroidal particles, with a minimum loss of 12 dB/μm. The possibilities to compensate the losses using gain materials, and the added noise associated with that, is briefly discussed.

sted, utgiver, år, opplag, sider
SPIE - International Society for Optical Engineering, 2011. s. 80700T-1-80700T-6
Serie
Proceedings of SPIE, ISSN 0277-786X ; 8070
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-87484DOI: 10.1117/12.890978ISI: 000297621400021Scopus ID: 2-s2.0-79959437151ISBN: 978-0-81948-660-8 (tryckt)OAI: oai:DiVA.org:kth-87484DiVA, id: diva2:501730
Konferanse
SPIE Optics and Optoelectronics
Merknad

QC 20120217

Tilgjengelig fra: 2012-02-14 Laget: 2012-02-14 Sist oppdatert: 2016-12-22bibliografisk kontrollert

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