Hardware-efficient and robust DSP scheme for coherent DSCM system in presence of transmitter IQ impairments
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 …
(DSCM) system in presence of transmitter (Tx) in-phase/quadrature (IQ) impairments is …
Spectral analysis based blind frequency offset estimation for digital subcarrier multiplexing systems with adjustable roll-off factors and various modulation formats
Y Gao, Z Li, Q Zhang, Q Zhao, C Wang, L Li, F Wang… - Optics …, 2024 - opg.optica.org
We proposed a blind frequency offset estimation (FOE) method for digital subcarrier
multiplexing (DSM) signals. By utilising spectral information from the DSM signal and …
multiplexing (DSM) signals. By utilising spectral information from the DSM signal and …
Master–slave carrier phase recovery using optical phase conjugation for frequency comb-based long-haul coherent communication systems
Y Zheng, H Wang, Y Zhang - Optics Communications, 2023 - Elsevier
Taking optical frequency combs as WDM laser sources for coherent optical communication
systems has great potential in low-cost, low-complexity, and large-capacity communications …
systems has great potential in low-cost, low-complexity, and large-capacity communications …
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 …
Investigation of laser phase noise tolerance in simplified coherent PON with subcarrier multiplexing
In this paper, we experimentally investigate the laser phase noise tolerance for a 100 Gb/s/λ
coherent passive optical network (PON) with simplified optical network units (ONUs) …
coherent passive optical network (PON) with simplified optical network units (ONUs) …
Low-cost 100 G PON based on a residual optical carrier for carrier recovery
We experimentally demonstrate a cost-effective dual-polarization quadrature phase shift
keying (DP-QPSK) coherent passive optical network (PON) system that operates at 100 …
keying (DP-QPSK) coherent passive optical network (PON) system that operates at 100 …
Robust PDL Compensation and Monitoring Scheme Using Frequency Domain Pilot Tones for Coherent Digital Subcarrier Multiplexing System
A robust digital polarization-dependent loss (PDL) compensation and monitoring scheme for
the coherent digital subcarrier multiplexing (DSCM) system using frequency domain pilot …
the coherent digital subcarrier multiplexing (DSCM) system using frequency domain pilot …
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 …
Integrated Communication and Enhanced Forward Phase-based Sensing Based on Frequency-Domain Pilot Tones in DSCM Systems Using 100 kHz ECLs
In this paper, integrated scheme of enhanced vibration-sensing and digital subcarrier
multiplexing (DSCM) communication based on frequency-domain pilot tones (FPTs) is …
multiplexing (DSCM) communication based on frequency-domain pilot tones (FPTs) is …
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 …