Title : Design of a graphene-based dual-slot hybrid plasmonic electro-absorption modulator with high-modulation efficiency and broad optical bandwidth for on-chip communication.

Pub. Date : 2018 Apr 20

PMID : 29714316






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1 By combining the huge light enhancement effect of the dual-slot HPW and graphene"s tunable conductivity, we obtain a high-modulation efficiency (ME) of 1.76 dB/mum for the graphene-based dual-slot HPW (higher ME of 2.19 dB/mum can also be obtained). Graphite latexin Homo sapiens
2 By combining the huge light enhancement effect of the dual-slot HPW and graphene"s tunable conductivity, we obtain a high-modulation efficiency (ME) of 1.76 dB/mum for the graphene-based dual-slot HPW (higher ME of 2.19 dB/mum can also be obtained). Graphite latexin Homo sapiens
3 By combining the huge light enhancement effect of the dual-slot HPW and graphene"s tunable conductivity, we obtain a high-modulation efficiency (ME) of 1.76 dB/mum for the graphene-based dual-slot HPW (higher ME of 2.19 dB/mum can also be obtained). Graphite latexin Homo sapiens
4 By combining the huge light enhancement effect of the dual-slot HPW and graphene"s tunable conductivity, we obtain a high-modulation efficiency (ME) of 1.76 dB/mum for the graphene-based dual-slot HPW (higher ME of 2.19 dB/mum can also be obtained). Graphite latexin Homo sapiens
5 Based upon this promising result, we further design a graphene-based hybrid plasmonic EAM, achieving a modulation depth (MD) of 15.95 dB and insertion loss of 1.89 dB @1.55 mum, respectively, in a total length of only 10 mum, where its bandwidth can reach over 500 nm for keeping MD>15 dB; MD can also be improved by slightly increasing the device length or shrinking the waveguide thickness, showing strong advantages for applying it into on-chip high-performance silicon modulators. Graphite latexin Homo sapiens
6 Based upon this promising result, we further design a graphene-based hybrid plasmonic EAM, achieving a modulation depth (MD) of 15.95 dB and insertion loss of 1.89 dB @1.55 mum, respectively, in a total length of only 10 mum, where its bandwidth can reach over 500 nm for keeping MD>15 dB; MD can also be improved by slightly increasing the device length or shrinking the waveguide thickness, showing strong advantages for applying it into on-chip high-performance silicon modulators. Graphite latexin Homo sapiens