Transverse Bragg-resonant enhancement of Modulation and switching

Author

Liang, Wei ; Xu, Yong ; Choi, John M. ; Yariv, Amnon ; Ng, Willie

Author_Institution

Dept. of Appl. Phys., California Inst. of Technol., Pasadena, CA, USA

Volume

16

Issue

10

fYear

2004

Firstpage

2236

Lastpage

2238

Abstract

We demonstrate theoretically that the electrooptic phase retardation, hence, modulation, can be enhanced very substantially in transverse Bragg resonance (TBR) waveguides. This enhancement is due fundamentally to the strong dependence of the dispersion of the TBR waveguide on the Bragg condition. Both theoretical and numerical analysis show that this enhancement can be used to improve the performance of directional coupler switches and electroabsorption modulators, leading potentially to major reductions in the device size or the switching voltage/current.

Keywords

electro-optical modulation; electro-optical switches; electroabsorption; optical couplers; optical dispersion; optical waveguide theory; directional coupler switches; electroabsorption modulators; electrooptic modulation; electrooptic phase retardation; electrooptic switches; electrooptical switching; transverse Bragg-resonance waveguides; transverse Bragg-resonant enhancement; waveguide dispersion; Communication switching; Dielectric constant; Directional couplers; Electrooptic modulators; Electrooptical waveguides; Optical switches; Optical waveguide theory; Optical waveguides; Phase modulation; Waveguide theory;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2004.834559

Filename

1336888