Silicon photonic modulators for PAM transmissions

W Shi, Y Xu, H Sepehrian, S LaRochelle… - Journal of …, 2018 - iopscience.iop.org
High-speed optical interconnects are crucial for both data centers and high performance
computing systems. High power consumption and limited device bandwidth have hindered …

Toward single lane 200G optical interconnects with silicon photonic modulator

Y Zhu, F Zhang, F Yang, L Zhang, X Ruan… - Journal of Lightwave …, 2020 - opg.optica.org
In this work, based on a conventional silicon photonic travelling-wave Mach-Zehnder
modulator (MZM) with a 3-dB bandwidth of 22.5 GHz, we experimentally demonstrate ultra …

Silicon photonic Mach–Zehnder modulator architectures for on chip PAM-4 signal generation

A Samani, E El-Fiky, M Morsy-Osman, R Li… - Journal of Lightwave …, 2019 - opg.optica.org
Four level pulse amplitude modulation (PAM-4) has become the modulation format of choice
to replace on–off keying (OOK) for the 400 Gb/s short reach optical communications …

Real-time 100 Gb/s NRZ and EDB transmission with a GeSi electroabsorption modulator for short-reach optical interconnects

J Verbist, M Verplaetse, SA Srinivasan… - Journal of Lightwave …, 2018 - opg.optica.org
Transceivers based on electroabsorption modulators (EAM) are considered as a promising
candidate for the next generation 400 GbE short-reach optical networks. They are capable of …

240 Gbit/s silicon photonic Mach-Zehnder modulator enabled by two 2.3-Vpp drivers

M Jacques, Z **ng, A Samani, E El-Fiky… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
We recently reported for the first time 200 Gbit/s/λ net rate data transmission with a single
silicon photonic modulator in an intensity modulation direct detection link. Our demonstration …

DAC-less PAM-4 generation in the O-band using a silicon Mach-Zehnder modulator

L Deniel, M Gay, DP Galacho, C Baudot, L Bramerie… - Optics express, 2019 - opg.optica.org
We demonstrate 20-Gb/s 4-level pulse amplitude modulation (PAM-4) signal generation
using a silicon Mach-Zehnder modulator (MZM) in the O-band. The modulator is driven by …

100 Gbaud 4PAM link for high speed optical interconnects

O Ozolins, X Pang, A Udalcovs… - 2017 European …, 2017 - ieeexplore.ieee.org
We demonstrate 100 Gbaud 4PAM transmission over 400 meters SMF with monolithically
integrated 1550 nm DFB-TWEAM having 100 GHz 3-dB bandwidth with 2 dB ripple. We …

Silicon-based optical links using novel direct detection, coherent detection and dual polarization methods for new generation transport architectures

MG Saber, G Vall-Llosera, D Patel, A Samani, R Li… - Optics …, 2019 - Elsevier
Providing a low-cost, reliable and end-to-end quality of service (QoS) guaranteed
connectivity is going to be a major challenge in optical transport due to the immense growth …

100 Gb/s DAC-less and DSP-free transmitters using GeSi EAMs for short-reach optical interconnects

J Verbist, M Verplaetse, J Lambrecht… - Optical Fiber …, 2018 - opg.optica.org
We present single-lane 100-Gb/s NRZ, electrical duobinary and PAM-4 transmitters using
silicon photonics GeSi electro-absorption modulators. No DSP, DAC or traveling-wave …

[HTML][HTML] 100 Gbaud on–off keying/pulse amplitude modulation links in C-band for short-reach optical interconnects

O Ozolins, X Pang, A Udalcovs, R Schatz, S Spolitis… - Applied Sciences, 2021 - mdpi.com
We experimentally evaluate the high-speed on–off keying (OOK) and four-level pulse
amplitude modulation (PAM4) transmitter's performance in C-band for short-reach optical …