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Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

Thermo-optic mode extinction modulator based on graphene plasmonic waveguide.

Jin Tae Kim¹, Kwang Hyo Chung, Choon-Gi Choi

¹Creative Research Center for Graphene Electronics, Electronics and Telecommunications Research Institute (ETRI), 218 Gajengno, Yuseong, Daejeon 305-700, South Korea. jintae@etri.re.kr

|July 12, 2013

Summary

This summary is machine-generated.

We created a compact thermo-optic (TO) modulator using a graphene plasmonic waveguide. This device achieves high signal extinction for telecommunications by controlling light propagation with heat.

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Area of Science:

Photonics
Materials Science
Nanotechnology

Background:

Graphene plasmonic waveguides offer unique optical properties for device applications.
Thermo-optic modulators are crucial components in optical communication systems.
Integrating heating elements directly into waveguide structures presents design challenges.

Purpose of the Study:

To develop a compact, all-in-one thermo-optic (TO) mode extinction modulator.
To utilize a graphene plasmonic waveguide for efficient light modulation.
To investigate the thermal modulation mechanism for optical signal control.

Main Methods:

Fabrication of an all-in-one graphene plasmonic waveguide with an integrated heating element.
Numerical modeling of time-dependent temperature and refractive-index distribution.
Experimental characterization of the modulator's performance at telecom wavelengths.

Main Results:

Demonstrated effective mode extinction of the long-range surface plasmon polariton (LRSPP) stripe mode.
Achieved 30 dB signal attenuation with only 12 mW electrical power injection.
Experimental results showed good agreement with thermal modeling predictions.

Conclusions:

The developed all-in-one graphene TO modulator is a promising device for compact optical signal control.
The thermo-optic effect in polymer near the graphene waveguide effectively modulates light.
This technology offers potential for efficient and low-power optical modulation in telecommunications.