Ultra-broadband nanophotonic beamsplitter using an anisotropic sub-wavelength metamaterial

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DOIResolve DOI: http://doi.org/10.1002/lpor.201600213
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TypeArticle
Journal titleLaser and Photonics Reviews
ISSN1863-8880
Volume10
Issue6
Pages10391046
AbstractNanophotonic beamsplitters are fundamental building blocks in integrated optics, with applications ranging from high speed telecom receivers to biological sensors and quantum splitters. While high-performance multiport beamsplitters have been demonstrated in several material platforms using multimode interference couplers, their operation bandwidth remains fundamentally limited. Here, we leverage the inherent anisotropy and dispersion of a sub-wavelength structured photonic metamaterial to demonstrate ultra-broadband integrated beamsplitting. Our device, which is three times more compact than its conventional counterpart, can achieve high-performance operation over an unprecedented 500 nm design bandwidth exceeding all optical communication bands combined, and making it one of the most broadband silicon photonics components reported to date. Our demonstration paves the way toward nanophotonic waveguide components with ultra-broadband operation for next generation integrated photonic systems.
Publication date
LanguageEnglish
AffiliationInformation and Communication Technologies; National Research Council Canada
Peer reviewedYes
NPARC number23001159
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Record identifierc6077f10-2877-4966-bc43-61e1e3f4ec4e
Record created2016-12-19
Record modified2016-12-19
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