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Design and characterization of silic...

Deng, Henghua.

Design and characterization of silicon-on-insulator passive polarization converter with finite-element analysis.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Design and characterization of silicon-on-insulator passive polarization converter with finite-element analysis./
Author:	Deng, Henghua.
Description:	176 p.
Notes:	Source: Dissertation Abstracts International, Volume: 67-01, Section: B, page: 0428.
Contained By:	Dissertation Abstracts International67-01B.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR12147
ISBN:	9780494121474

Design and characterization of silicon-on-insulator passive polarization converter with finite-element analysis.
Deng, Henghua.

Design and characterization of silicon-on-insulator passive polarization converter with finite-element analysis. - 176 p.

Source: Dissertation Abstracts International, Volume: 67-01, Section: B, page: 0428.

Thesis (Ph.D.)--University of Waterloo (Canada), 2005.

In this dissertation; the silicon-on-insulator (SOI) technology is introduced to the design and fabrication of passive polarization rotators (PR). Efficient and accurate full-vectorial finite-element eigenmode solvers as well as propagation schemes for characterizing novel SOI PRs are developed because commercial software packages based on finite-difference techniques are inefficient in dealing with arbitrary waveguide geometries.

ISBN: 9780494121474Subjects--Topical Terms:

170927
Engineering, Electronics and Electrical.

Design and characterization of silicon-on-insulator passive polarization converter with finite-element analysis.
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100 1 $a Deng, Henghua. $3 1000005868
245 1 0 $a Design and characterization of silicon-on-insulator passive polarization converter with finite-element analysis.
300 $a 176 p.
500 $a Source: Dissertation Abstracts International, Volume: 67-01, Section: B, page: 0428.
502 $a Thesis (Ph.D.)--University of Waterloo (Canada), 2005.
520 $a In this dissertation; the silicon-on-insulator (SOI) technology is introduced to the design and fabrication of passive polarization rotators (PR). Efficient and accurate full-vectorial finite-element eigenmode solvers as well as propagation schemes for characterizing novel SOI PRs are developed because commercial software packages based on finite-difference techniques are inefficient in dealing with arbitrary waveguide geometries.
520 $a A novel configuration with asymmetric external waveguiding layers is proposed, which is advantageous for fabrication procedure, manufacturing tolerance, single-mode region, and conversion efficiency. By etching along the crystallographic plane, the angled-facet can be perfectly fabricated. Completely removing external waveguiding layer beside the sloped sidewall not only simplifies production procedures but also enhances fabrication tolerances.
520 $a To accurately and efficiently characterize asymmetric slanted-angle SOI polarization converters, adaptive mesh generation procedures are incorporated into our finite-clement method (FEM) analysis. In addition, anisotropic perfectly-matched-layer (PML) boundary condition (BC) is employed in the beam propagation method (BPM) in order to effectively suppress reflections from the edges of the computation window. For the BPM algorithm, the power conservation is strictly monitored, the non-unitarity is thoroughly analyzed, and the inherent numerical dissipation is reduced by adopting the quasi-Crank-Nicholson scheme and adaptive complex reference index.
520 $a Advantages of SOI polarization rotators over III-V counterparts are studied through comprehensive research on power exchange, single-mode condition, fabrication tolerance, wavelength stability, bending characteristics, loss and coupling properties. The performance of SOI PRs is stable for wavelengths in the ITU-T C-band and L-band, making such devices quite suitable for DWDM applications. Due to the flexible cross-section of SOI polarization converters, the coupling loss to laser diodes and single mode fibers (SMF) can be designed to be very small and can be further reduced by a tapered waveguide with cross-sections always satisfying the single-mode criteria. Slanted-angle SOI polarization rotators display asymmetric bending characteristics and permit extremely small curvatures with negligible radiation loss when the angled-facet is located at the outer bend radius. Moreover, SOI polarization rotators can be manufactured with low-price processing techniques that are fully compatible with CMOS integrated circuits (IC) technology, and thus can be integrated on both photonic and electronic chips.
520 $a Experimental verifications have shown good agreement with theoretical analysis and have confirmed the promising characteristics of our novel asymmetric SOI polarization converters. Similar asymmetric-outer-slab geometry has recently been employed by peer researchers to fabricate high performance III-V polarization rotators. We therefore believe that results in this dissertation will contribute much to related research fields. (Abstract shortened by UMI.)
590 $a School code: 1141.
650 4 $a Engineering, Electronics and Electrical. $3 170927
650 4 $a Engineering, Materials Science. $3 1000005553
690 $a 0544
690 $a 0794
710 2 0 $a University of Waterloo (Canada). $3 1000005869
773 0 $t Dissertation Abstracts International $g 67-01B.
790 $a 1141
791 $a Ph.D.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR12147 $z