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Journal ArticleDOI

Compact efficient broadband grating coupler for silicon-on-insulator waveguides.

Dirk Taillaert, +2 more
- 01 Dec 2004 - 
- Vol. 29, Iss: 23, pp 2749-2751
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TLDR
A high-efficiency broadband grating coupler for coupling between silicon-on-insulator (SOI) waveguides and optical fibers and the size of the grooves is optimized numerically.
Abstract
We have designed a high-efficiency broadband grating coupler for coupling between silicon-on-insulator (SOI) waveguides and optical fibers. The grating is only 13 µm long and 12 µm wide, and the size of the grooves is optimized numerically. For TE polarization the coupling loss to single-mode fiber is below 1 dB over a 35-nm wavelength range when using SOI with a two-pair bottom reflector. The tolerances to fabrication errors are also calculated.

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Citations
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Journal ArticleDOI

Active silicon integrated nanophotonics: ferroelectric BaTiO3 devices

TL;DR: N nanophotonic circuits incorporating ferroelectric BaTiO3 thin films on the ubiquitous silicon-on-insulator (SOI) platform are demonstrated and show modulation bandwidth in the gigahertz regime, which is promising for broadband applications.
Journal ArticleDOI

High efficiency diffractive grating couplers for interfacing a single mode optical fiber with a nanophotonic silicon-on-insulator waveguide circuit

TL;DR: In this paper, high efficiency diffractive grating structures to interface a single mode optical fiber and a nanophotonic integrated circuit fabricated on silicon-on-insulator are presented.
Journal ArticleDOI

High efficiency grating coupler between silicon-on-insulator waveguides and perfectly vertical optical fibers.

TL;DR: A high-efficiency waveguide-to-fiber grating coupler for silicon-on-insulator waveguides and the ability to use a perfectly vertical positioned optical fiber simplifies the packaging of the photonic integrated circuit.
Journal ArticleDOI

Polymer waveguides for electro-optical integration in data centers and high-performance computers

TL;DR: A new single-mode polymer waveguide technology and a scalable method for building the optical interface between silicon photonics chips and single- mode polymer waveguides are presented.
Journal ArticleDOI

Optical bistability and pulsating behaviour in Silicon-On-Insulator ring resonator structures.

TL;DR: In this paper, optical bistability in a Silicon-On-Insulator two-bus ring resonator with input powers as low as 0.3mW has been demonstrated and the importance of different nonlinear contributions and derive time constants for carrier and thermal relaxation effects.
References
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Journal Article

Electromagnetic Optimization by Genetic Algorithms

TL;DR: This book describes numerous applications of genetic algorithms to the design and optimization of various low- and high-frequency electromagnetic components and provides a comprehensive list of the up-to-date references applicable to electromagneticdesign problems.
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Ultra-low loss photonic integrated circuit with membrane-type photonic crystal waveguides

TL;DR: The combination of an efficient two-stage coupling scheme and utilization of ultra-long (up to 2mm) photonic crystal waveguides reduces the uncertainty in determining the loss figure to 3dB/cm.
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An out-of-plane grating coupler for efficient butt-coupling between compact planar waveguides and single-mode fibers

TL;DR: In this paper, an out-of-plane coupler for butt-coupling from fiber to compact planar waveguides is proposed based on a short second-order grating or photonic crystal, etched in a waveguide with a low-index oxide cladding.
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Low loss mode size converter from 0.3 [micro sign]m square Si wire waveguides to singlemode fibres

TL;DR: In this article, a novel integrated mode size converter for single-mode Si wire waveguides is presented, which is constructed with two-dimensional tapered Si waveguide and overlaid high-index polymer waveguide.
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Optical modelling of photonic crystals and VCSELs using eigenmode expansion and perfectly matched layers

TL;DR: In this paper, a modeling approach for photonic crystal structures and vertical-cavity surface-emitting lasers (VCSELs) is presented based on vectorial eigenmode expansion combined with perfectly matched layer (PML) boundary conditions.
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