200 Gbit/s/λ PDM-PAM-4 PON system based on intensity modulation and coherent detection

J Zhang, J Yu, X Li, K Wang, W Zhou, J Xiao… - Journal of Optical …, 2020 - opg.optica.org
A low-complexity and cost-efficient coherent detection-based 100 Gb/s or beyond passive
optical network (PON) has attracted a lot of attention in recent years, as this technology …

Compensation of frequency offset for 16-QAM optical coherent systems using QPSK partitioning

I Fatadin, SJ Savory - IEEE Photonics Technology Letters, 2011 - ieeexplore.ieee.org
The performance of a feed-forward carrier frequency recovery algorithm for 16-quadrature
amplitude modulation (QAM) optical coherent systems is investigated using the quaternary …

Blind modulation format identification using nonlinear power transformation

G Liu, R Proietti, K Zhang, H Lu, SJB Yoo - Optics express, 2017 - opg.optica.org
This paper proposes and experimentally demonstrates a blind modulation format
identification (MFI) method delivering high accuracy (> 99%) even in a low OSNR regime (< …

Frequency-stabilized links for coherent WDM fiber interconnects in the datacenter

DJ Blumenthal, H Ballani, RO Behunin… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
The continued growth in Hyperscale data center (HDC) deployment is expected to drive
world-wide Internet traffic to an astounding 21 zettabytes by 2021. This growth will place …

Artificial intelligence in computer networks

TA Jaber - Periodicals of Engineering and Natural Sciences, 2022 - pen.ius.edu.ba
Artificial Intelligence (AI) has been defined as a modern and intense scientific topic that
enables computer-based systems or embedded systems to divide and solve problems by …

Comb-based WDM transmission at 10 Tbit/s using a DC-driven quantum-dash mode-locked laser diode

P Marin-Palomo, JN Kemal, P Trocha, S Wolf… - Optics …, 2019 - opg.optica.org
Chip-scale frequency comb generators have the potential to become key building blocks of
compact wavelength-division multiplexing (WDM) transceivers in future metropolitan or …

Hardware-efficient and robust DSP scheme for coherent DSCM system in presence of transmitter IQ impairments

L Fan, Y Yang, S Gong, C Cheng… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
A hardware-efficient and robust DSP scheme for the coherent digital subcarrier multiplexing
(DSCM) system in presence of transmitter (Tx) in-phase/quadrature (IQ) impairments is …

DSP design for coherent optical point-to-multipoint transmission

T Duthel, CRS Fludger, B Liu, S Ranzini… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
A real-time implementation of a coherent optical pluggable module using digital sub-carrier
(DSC) multiplexing has recently been demonstrated. Whilst these modules can support …

Low-complexity and phase noise tolerant carrier phase estimation for dual-polarization 16-QAM systems

Y Gao, APT Lau, S Yan, C Lu - Optics Express, 2011 - opg.optica.org
A low-complexity feed-forward carrier phase estimation (CPE) technique is presented for
dual-polarization (DP)-16-QAM transmission systems. By combining QPSK partitioning …

Laser-linewidth-tolerant feed-forward carrier phase estimator with reduced complexity for QAM

J Li, L Li, Z Tao, T Hoshida… - Journal of Lightwave …, 2011 - ieeexplore.ieee.org
An improved feed-forward carrier phase estimation scheme with further complexity reduction
is presented and numerically verified for quadrature amplitude modulation (QAM) formats …