Minimisation of Parasitic Capacitance in Lumped-Element Electro-Absorption Modulators for High-Speed Optical Components

Minimisation of Parasitic Capacitance in Lumped-Element Electro-Absorption Modulators for High-Speed Optical Components

This paper presents an investigation into the parasitic capacitance of an RF contact scheme for lumped-element EAMs. Test structures are fabricated to analyse this parasitic capacitance via S11 characterisation using a vector network analyser (VNA). Optimisations of the contact scheme lead to the pa...

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Veröffentlicht in:Photonics 2023-08, Vol.10 (8), p.885
Hauptverfasser: Mulcahy, Jack, Shi, Shengtai, Peters, Frank H., Dai, Xing
Format: Artikel
Sprache:eng
Schlagworte:
Bandwidths
Bias
Capacitance
Contact
contact scheme
Electroabsorption modulators
Equivalent circuits
Ethernet
lumped-element electro-absorption modulators
Network analysers
Optical components
parasitic capacitance
Parasitics (electronics)
Radio frequency
radio-frequency modulation
Transceivers
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Beschreibung
Zusammenfassung:This paper presents an investigation into the parasitic capacitance of an RF contact scheme for lumped-element EAMs. Test structures are fabricated to analyse this parasitic capacitance via S11 characterisation using a vector network analyser (VNA). Optimisations of the contact scheme lead to the parasitic capacitance being reduced to
ISSN:2304-6732
2304-6732
DOI:10.3390/photonics10080885