Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-Insulator

We present design of plasmonic modulators using vanadium dioxide (VO<sub>2</sub>) as modulating material realized on silicon-on-insulator (SOI) wafer with only 200&#x00A0;nm &#x00D7; 140&#x00A0;nm modulating section within 1 <italic>&#x03BC; </italic>m &#x...

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Main Authors: Miao Sun, William Shieh, Ranjith R. Unnithan
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
Subjects:
Online Access:https://ieeexplore.ieee.org/document/7891538/
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author Miao Sun
William Shieh
Ranjith R. Unnithan
author_facet Miao Sun
William Shieh
Ranjith R. Unnithan
author_sort Miao Sun
collection DOAJ
description We present design of plasmonic modulators using vanadium dioxide (VO<sub>2</sub>) as modulating material realized on silicon-on-insulator (SOI) wafer with only 200&#x00A0;nm &#x00D7; 140&#x00A0;nm modulating section within 1 <italic>&#x03BC; </italic>m &#x00D7; 3 <italic>&#x03BC;</italic>m device footprint. By utilising the large refractive index contrast between the metallic and semiconductor phases of VO<sub>2</sub>, the modulator can achieve a broad working wavelength range from 1100 to 1800 nm around C-band, with a high modulation depth of 21.5 dB&#x002F;<italic>&#x03BC;</italic>m. We also analyse effects of using seed layer of different dielectric materials for growing VO<sub>2</sub> on modulation index by exploring the mixed combination of VO<sub>2</sub> and different dielectric materials. Our device geometries can have potential applications in the development of next-generation miniaturised high-frequency optical modulators in silicon photonics for optical communications.
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spelling doaj-art-cdbb21767f474be9abcdaac026c7b4132025-08-20T03:31:20ZengIEEEIEEE Photonics Journal1943-06552017-01-019311010.1109/JPHOT.2017.26904487891538Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-InsulatorMiao Sun0William Shieh1Ranjith R. Unnithan2Department of Electrical and Electronic Engineering, The University of Melbourne, Melbourne, Vic., AustraliaDepartment of Electrical and Electronic Engineering, The University of Melbourne, Melbourne, Vic., AustraliaDepartment of Electrical and Electronic Engineering, The University of Melbourne, Melbourne, Vic., AustraliaWe present design of plasmonic modulators using vanadium dioxide (VO<sub>2</sub>) as modulating material realized on silicon-on-insulator (SOI) wafer with only 200&#x00A0;nm &#x00D7; 140&#x00A0;nm modulating section within 1 <italic>&#x03BC; </italic>m &#x00D7; 3 <italic>&#x03BC;</italic>m device footprint. By utilising the large refractive index contrast between the metallic and semiconductor phases of VO<sub>2</sub>, the modulator can achieve a broad working wavelength range from 1100 to 1800 nm around C-band, with a high modulation depth of 21.5 dB&#x002F;<italic>&#x03BC;</italic>m. We also analyse effects of using seed layer of different dielectric materials for growing VO<sub>2</sub> on modulation index by exploring the mixed combination of VO<sub>2</sub> and different dielectric materials. Our device geometries can have potential applications in the development of next-generation miniaturised high-frequency optical modulators in silicon photonics for optical communications.https://ieeexplore.ieee.org/document/7891538/Plasmonicsnanophotonicssubwavelength structuresoptoelectronic materials
spellingShingle Miao Sun
William Shieh
Ranjith R. Unnithan
Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-Insulator
IEEE Photonics Journal
Plasmonics
nanophotonics
subwavelength structures
optoelectronic materials
title Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-Insulator
title_full Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-Insulator
title_fullStr Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-Insulator
title_full_unstemmed Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-Insulator
title_short Design of Plasmonic Modulators With Vanadium Dioxide on Silicon-on-Insulator
title_sort design of plasmonic modulators with vanadium dioxide on silicon on insulator
topic Plasmonics
nanophotonics
subwavelength structures
optoelectronic materials
url https://ieeexplore.ieee.org/document/7891538/
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AT williamshieh designofplasmonicmodulatorswithvanadiumdioxideonsilicononinsulator
AT ranjithrunnithan designofplasmonicmodulatorswithvanadiumdioxideonsilicononinsulator