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 …

Single-chip photonic deep neural network with forward-only training

S Bandyopadhyay, A Sludds, S Krastanov… - Nature …, 2024 - nature.com
As deep neural networks revolutionize machine learning, energy consumption and
throughput are emerging as fundamental limitations of complementary metal–oxide …

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 …

Single-chip Si optical single-sideband modulator

BM Yu, JM Lee, C Mai, S Lischke… - Photonics …, 2017 - opg.optica.org
We demonstrate an integrated Si optical single-sideband (OSSB) modulator composed of a
parallel dual-ring modulator (PDRM) and a quadrature hybrid coupler (QHC). Both the …

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 …

180 Gb/s single carrier single polarization 16-QAM transmission using an O-band silicon photonic IQM

A Samani, E El-Fiky, M Osman, D Patel, R Li… - Optics …, 2019 - opg.optica.org
In this paper, we present inphase-quadrature (IQ) modulation in the O-band using dual
parallel Mach-Zehnder modulators on the silicon photonics platform. The detailed design of …

100 Gb/s PAM4 transmission system for datacenter interconnects using a SiP ME-MZM based DAC-less transmitter and a VSB self-coherent receiver

Z Xing, A Samani, M Xiang, E El-Fiky, TM Hoang… - Optics …, 2018 - opg.optica.org
We experimentally demonstrate a digital-to-analog-converter-less (DAC-less) vestigial
sideband (VSB) 4-level pulse amplitude modulation (PAM4) transmission system for data …

Optical PAM-4 signal generation using a silicon Mach-Zehnder optical modulator

S Shao, J Ding, L Zheng, K Zou, L Zhang, F Zhang… - Optics express, 2017 - opg.optica.org
An analytic model is proposed to study the linearity performance of the silicon Mach-
Zehnder optical modulator. According to the simulation results, we optimize the width of the …

32-Gb/s OOK and 64-Gb/s PAM-4 modulation using a single-drive silicon Mach–Zehnder modulator with 2 V drive voltage

G Zhou, L Zhou, Y Guo, S Chen, L Lu… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
We demonstrate a high-efficiency silicon Mach-Zehnder modulator with U-shaped PN
junctions. The depletion region of the U-shaped PN junction has a large overlap with the …

Power-efficient O-band 40 Gbit/s PAM4 transmitter based on dual-drive cascaded carrier-depletion and carrier-injection silicon Mach-Zehnder modulator with binary …

GW Lu, HB Zhang, S Shinada, J Hong… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
We present an O-band four-level pulse amplitude modulation (PAM4) transmitter based on a
dual-drive silicon modulator with binary driving electronics at CMOS voltages, effectively …