Wavelength-Tunable Microring Resonator on Lithium Niobate

Author

Wang, Tzyy-Jiann ; Chu, Chia-Hong

Author_Institution

Nat. Taipei Univ. of Technol., Taipei

Volume

19

Issue

23

fYear

2007

Firstpage

1904

Lastpage

1906

Abstract

A wavelength-tunable microring resonator with integrated microheater on lithium niobate is presented. Ridge structure on lithium niobate is formed by a wet-etching technique for enhancing the lateral index contrast of the waveguide. The resonant wavelength of the microring resonator is tuned through thermooptic effect by injecting current into the integrated microheater. The tuning characteristics of through port and drop port are measured and the tuning rates in the microring resonator with a radius of 100 mum for transverse-magnetic and transverse-electric polarizations are 2.54 x 10^-2 nm/mA and 3.40 x 10^-3 nm/mA.

Keywords

etching; integrated optics; lithium compounds; micro-optomechanical devices; microcavities; micromechanical resonators; optical tuning; optical waveguides; thermo-optical effects; LiNbO₃; integrated microheater; lateral index contrast; resonant wavelength; ridge structure; thermooptic effect; transverse-electric polarizations; transverse-magnetic polarizations; tuning characteristics; waveguide; wavelength-tunable microring resonator; wet etching; Dry etching; Lithium niobate; Optical films; Optical filters; Optical resonators; Optical ring resonators; Optical tuning; Optical waveguides; Optical wavelength conversion; Wet etching; Integrated optics; lithium niobate; microring resonators; tunable filters;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2007.907567

Filename

4383199