Samenvatting
This paper presents a new DC-coupled differential driver for 3D photonic electronic wafer-scale packaging. The DC-coupling between the driver's output and a Mach-Zehnder modulator (MZM), overcomes the limitations of on-chip bias-Ts and achieves wideband RF performance. For the biasing and impedance matching it uses off-chip inductors as RF chokes and two on-chip 50 Ω resistors in series with a capacitor as the driver's differential termination. The proposed driver has independent voltage supplies for the differential branches, and each branch can be tuned between 4 V and 6 V separately to account for different modulations format and fabrication tolerance of MZMs. The designed distributed driver is realized in a 0.25 µm SiGe:C BiCMOS technology, and shows a 3-dB bandwidth of 50 GHz, 100 Gb/s PAM4 eye diagram and state-of-the-art 6.3 pJ/bit power efficiency in post-layout simulation.
| Originele taal-2 | Engels |
|---|---|
| Titel | 2020 IEEE International Symposium on Circuits and Systems, ISCAS 2020 - Proceedings |
| Uitgeverij | Institute of Electrical and Electronics Engineers |
| Pagina's | 1-5 |
| Aantal pagina's | 5 |
| ISBN van elektronische versie | 9781728133201 |
| DOI's | |
| Status | Gepubliceerd - 2020 |
| Evenement | 52nd IEEE International Symposium on Circuits and Systems, ISCAS 2020 - Virtual, Online, Sevilla, Spanje Duur: 10 okt 2020 → 21 okt 2020 |
Congres
| Congres | 52nd IEEE International Symposium on Circuits and Systems, ISCAS 2020 |
|---|---|
| Land/Regio | Spanje |
| Stad | Sevilla |
| Periode | 10/10/20 → 21/10/20 |
Bibliografische nota
Funding Information:This work has received funding from the HTSM Photronics project, supported by the Dutch Technology Foundation NWO.
Financiering
This work has received funding from the HTSM Photronics project, supported by the Dutch Technology Foundation NWO.
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