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Towards Maximum Energy Efficiency of Carrier-Injection-Based Silicon Photonics
Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review
DOI
- https://doi.org/10.1109/JLT.2021.3059915
Forlagets udgivne version
- Clemens J. Kruckel, Ghent University ,
- Hanna Becker ,
- Yoojin Ban, Interuniversitair Micro-Elektronica Centrum ,
- Martijn J.R. Heck
- Joris Van Campenhout, Interuniversitair Micro-Elektronica Centrum ,
- Dries Van Thourhout, Ghent University
We present carrier-injection-based photonic switches, engineered for optical pulse distribution with maximum energy efficiency. We apply small-signal analysis and for the first time large-signal modelling to methodically optimize the switches for minimum energy consumption and to classify the electronic contributions from resistance, capacitance, and diode. We present optimized electronic switch activation, which yields a sixfold reduction in energy consumption and we show how static power consumption becomes a negligible factor for optical pulse switching. We demonstrate that with adjusted phase shifter dimensions, MZI-based switches can operate with additional 50% enhanced energy efficiency with down to 4 pJ per switching operation. We show even further efficiency improvement using ring-based designs, allowing an additional improvement of 50% in energy efficiency and we discuss the trade-off between efficiency and optical bandwidth associated to the Q-factor. We benchmark carrier-injection-based switches together with comparable technologies of the silicon photonics platform and identify carrier-injection to be the most suitable technology for pulse switching applications.
| Originalsprog | Engelsk |
|---|---|
| Tidsskrift | Journal of Lightwave Technology |
| Vol/bind | 39 |
| Nummer | 9 |
| Sider (fra-til) | 2931-2940 |
| Antal sider | 10 |
| ISSN | 0733-8724 |
| DOI | |
| Status | Udgivet - maj 2021 |
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