Design and Analysis of a Novel Graphene-Assisted Silica/Polymer Hybrid Waveguide With Thermal-Optical Phase Modulation Structure

A novel thermal-optical phase modulation structure based on polymer/silica hybrid waveguide is proposed. Patterned graphene strip is introduced as electric nanoheater in the structure. Finite element method simulation is performed on both thermal and optical field analysis. Results show that respons...

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Bibliographic Details
Published in:IEEE photonics journal 2019-04, Vol.11 (2), p.1-10
Main Authors: Qiu, Cheng, Wang, Yu-Bing, Chen, Yong-Yi, Lei, Yu-Xin, Qin, Li, Wang, Li-Jun
Format: Article
Language:English
Subjects:
Graphene
Graphene nano-heater
Heating systems
Optical attenuators
Optical device fabrication
Optical switches
Optical waveguides
polymer/silica hybrid planar lightwave circuit
Polymers
thermal optical phase modulator
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Summary:A novel thermal-optical phase modulation structure based on polymer/silica hybrid waveguide is proposed. Patterned graphene strip is introduced as electric nanoheater in the structure. Finite element method simulation is performed on both thermal and optical field analysis. Results show that response speed is improved by a factor of three and power consumption is reduced by half, in comparison with conventional state-of-art polymer-based phase shifter. This proposed structure is compatible with current complementary metal-oxide-semiconductor power supply standard and has very large design robustness. It shows great application potential on low-power optical switch, modulator and polymer thermal-optical phase arrays.
ISSN:1943-0655
1943-0655
1943-0647
DOI:10.1109/JPHOT.2019.2909003