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 …
(DSC) multiplexing has recently been demonstrated. Whilst these modules can support …
Robust, in-service, and joint monitoring of a dual-polarization transceiver IQ skew for a coherent DSCM system without channel impairment compensation
A robust, in-service, and joint monitoring of a dual-polarization (DP) transceiver IQ skew for a
coherent DSCM system is proposed and experimentally validated. Unlike traditional …
coherent DSCM system is proposed and experimentally validated. Unlike traditional …
Transceiver impairment robust and joint monitoring of PDL, DGD, and CD using frequency domain pilot tones for digital subcarrier multiplexing systems
Optical performance monitoring is vital for enabling dynamically reconfigurable optical
networks. This paper introduces a monitoring scheme that is robust to transceiver …
networks. This paper introduces a monitoring scheme that is robust to transceiver …
IQ Skew and Imbalance Estimation for Coherent Point-to-Multi-Point Optical Networks
Coherent point-to-multi-point (PtMP) optical network based on digital subcarrier multiplexing
(DSCM) has been a promising technology for metro and access networks to achieve cost …
(DSCM) has been a promising technology for metro and access networks to achieve cost …
Hardware-Efficient and Reliable Coherent DSCM Systems Enabled by Single-Pilot-Tone-Based Polarization Demultiplexing
W Wang, L Chen, D Zou, W Ni… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Recently, coherent digital subcarrier multiplexing (DSCM) technology has become an
attractive solution for next-generation ultra-high-speed datacenter interconnects (DCIs). To …
attractive solution for next-generation ultra-high-speed datacenter interconnects (DCIs). To …
Channel Impairment-Insensitive Monitoring of Multi-Dimensional Transceiver Imbalance for Dual-Polarization Coherent DSCM System
In digital subcarrier multiplexing (DSCM) systems, imperfections in transceiver hardware
lead to mismatches between the in-phase (I) and quadrature (Q) components of the signal …
lead to mismatches between the in-phase (I) and quadrature (Q) components of the signal …
Low-complexity coherent DSCM system with precise transceiver IQ skew calibration and simplified equalization embedding phase tracking
The digital subcarrier multiplexing (DSCM) technique has emerged as an appealing solution
for coherent systems. However, it is more sensitive to the transceiver IQ skew, which …
for coherent systems. However, it is more sensitive to the transceiver IQ skew, which …
Robust, wide-range, and precise transmitter IQ impairment monitoring scheme for coherent digital subcarrier multiplexing systems
L Fan, Y Jia, M Liu, J Lin, Q Zhang, S Gong, Y Jin… - Optics Letters, 2024 - opg.optica.org
In this Letter, we present a robust, wide-range, and precise monitoring scheme for
transmitter (Tx) impairments in coherent digital subcarrier multiplexing (DSCM) systems. The …
transmitter (Tx) impairments in coherent digital subcarrier multiplexing (DSCM) systems. The …
In-service simultaneous monitoring of transceiver and channel impairments in DSCM systems without impairments compensation
In-service simultaneous transceiver and channel impairments monitoring scheme is
proposed and experimentally verified in dual-polarization DSCM system. The monitoring …
proposed and experimentally verified in dual-polarization DSCM system. The monitoring …
A Low Complexity Coherent 16× 400 Gbit/s 4SC-16QAM DSCM system with Precise Transceiver IQ Skew Compensation and Simplified Equalization
A Low Complexity Coherent 16×400 Gbit/s 4SC-16QAM DSCM system with Precise
Transceiver IQ Skew Compensation and Simpl Page 1 A Low Complexity Coherent 16×400 …
Transceiver IQ Skew Compensation and Simpl Page 1 A Low Complexity Coherent 16×400 …