Paper
20 February 2017 Subwavelength metamaterial engineering for silicon photonics
Robert Halir, Alejandro Ortega-Moñux, Jordi Soler-Penades, José M. Luque-González, Dario Sarmiento-Merenguel, Alejandro Sánchez-Postigo, Gonzalo Wangüemert-Pérez, Jens Schmid, Dan-Xia Xu, Siegfried Janz, Jean Lapointe, Íñigo Molina-Fernández, Milos Nedeljkovic, Goran Z. Mashanovich, Pavel Cheben
Author Affiliations +
Abstract
Waveguides structured at the subwavelength scale frustrate diffraction and behave as optical metamaterials with controllable refractive index. These structures have found widespread applications in silicon photonics, ranging from sub-decibel efficiency fibre-chip couplers to spectrometers and polarization rotators. Here, we briey describe the design foundations for sub-wavelength waveguide devices, both in terms of analytic effective medium approximations, as well as through rigorous Floch-Bloquet mode simulation. We then focus on two novel structures that exemplify the use of subwavelength waveguides: mid-infrared waveguides and ultra-broadband beamsplitters.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Robert Halir, Alejandro Ortega-Moñux, Jordi Soler-Penades, José M. Luque-González, Dario Sarmiento-Merenguel, Alejandro Sánchez-Postigo, Gonzalo Wangüemert-Pérez, Jens Schmid, Dan-Xia Xu, Siegfried Janz, Jean Lapointe, Íñigo Molina-Fernández, Milos Nedeljkovic, Goran Z. Mashanovich, and Pavel Cheben "Subwavelength metamaterial engineering for silicon photonics", Proc. SPIE 10107, Smart Photonic and Optoelectronic Integrated Circuits XIX, 1010703 (20 February 2017); https://doi.org/10.1117/12.2253727
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KEYWORDS
Waveguides

Silicon photonics

Mid-IR

Silicon

Brain-machine interfaces

Refractive index

Oxides

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