Cited by 13Photonic and Optical DevicesAdvanced Photonic Communication SystemsSemiconductor Lasers and Optical Devices

The DOI matches its Crossref record; 41 of the 41 references it cites were found in a registry or an index.

Predistortion for High-Speed Lumped Silicon Photonic Mach-Zehnder Modulators

Open access
Murray, Brian, Antony, Cleitus, Talli, Giuseppe, Townsend, Paul D.·2022·IEEE Photonics Journal

Abstract

The use of electrical precompensation for high-speed operation of lumped MZMs is demonstrated for 50 Gb/s PAM4 modulation through experiment and simulation. An accurate equivalent circuit model is fitted to S11 measurements and then used to analyse design trade-offs in terms of system performance, energy consumption and drive voltage requirements. If precompensation is not used, careful selection of source resistance with respect to electrode and packaging inductance is shown to be crucial for high-speed modulation. Increasing the electrode inductance is shown to be beneficial as it introduces inductive peaking, which allows optimum performance with a higher source impedance. Furthermore, combining precompensation with a slight inductive peaking and optimised source resistance is demonstrated to reduce drive voltage requirements and further reduce the energy dissipated in the equivalent circuit.

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Crossref · 10.1109/jphot.2022.3158255

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41 of 41 references verified0 citation errors · 0 not checkable

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Metadata

Authors
Murray, B., Antony, C., Talli, G., & Townsend, P. D.
Affiliations
  • Tyndall National Institute (IE)
  • Huawei Technologies (Germany) (DE)
Venue
IEEE Photonics Journal
Published
2022-04
Volume
14
Issue
2
Pages
1-11
ISSN
  • 1943-0647 (ISSN-L)
  • 1943-0655
OpenAlex
W4226424550
Cited by
13
References
41
Citations by year
2026: 2 · 2025: 2 · 2024: 4 · 2023: 2 · 2022: 3
FWCI
0.75
Type
journal article
Language
en
Open access
Locations
  • IEEE photonics journal (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
Science Foundation Ireland (12/IA/1270, 12/RC/2276)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Photonic and Optical Devices
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Photonic Communication Systems
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Semiconductor Lasers and Optical Devices
Keywords
predistortion, Mach-Zehnder modulator, silicon photonics, PAM-4, equivalent circuit model, source resistance, inductive peaking, drive voltage reduction, energy consumption, high-speed modulation

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