Subwavelength engineered structures for integrated photonics

DOIResolve DOI: http://doi.org/10.1109/PIERS.2016.7735235
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TypeArticle
Proceedings title2016 Progress in Electromagnetic Research Symposium (PIERS)
Conference2016 Progress in Electromagnetic Research Symposium (PIERS), August 8-11, 2016, Shanghai, China
ISBN978-1-5090-6093-1
Pages31623162
AbstractWe report our advances in development of subwavelength engineered structures for integrated photonics. This unique technology allows synthesis of an effective photonic medium with an unprecedented control of material properties, constituting a powerful tool for a designer of photonic integrated circuits. By locally engineering the refractive index of silicon by forming a pattern of holes at the subwavelength scale it is possible to manipulate the flow of light in silicon photonic waveguides. We have demonstrated a number of subwavelength engineered devices operating at telecom wavelengths, including fiber-chip couplers, waveguide crossings, WDM multiplexers, ultra-fast optical switches, athermal waveguides, evanescent field sensors, polarization rotators, transceiver hybrids and colorless interference couplers. The subwavelength metamaterial concept has been adopted by industry (IBM) for fiber-chip coupling and subwavelength engineered structures are likely to become key building blocks for the next generation of integrated photonic circuits. We present an overview of different implementations of these structures in silicon photonic integrated circuits, such as high-efficiency fiber-chip couplers, wavelength multiplexers, microspectrometers, waveguide crossovers, ultra-broadband splitters and mid-infrared waveguide components, to name a few.
Publication date
PublisherIEEE
LanguageEnglish
AffiliationInformation and Communication Technologies; National Research Council Canada
Peer reviewedYes
NPARC number23001169
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Record identifier1c23c1ce-ac04-49f0-894c-d3c2d84275b3
Record created2016-12-21
Record modified2016-12-21
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