Guide DIGITAL FILTERS OPTIMISATION USING RESIDUAL LEARNING
Achieve CDE in ultra-fast long-distance coherent optical communication systems, not only is a great amount of mathematical effort needed, but also a huge number of TD-CDE filter taps are essential
Guide Digital Coherent Optical Receivers: Algorithms and Subsystems
Digital coherent receivers have caused a revolution in the design of optical transmission systems, due to the subsystems and algorithms embedded within such a receiver. After giving a high
Guide Equalization | Springer Nature Link
In digital coherent optical receivers, CD is compensated by static filters applied separately to the signals of the two polarization orientations. As CD is practically time-invariant and polarization
Guide Digital Signal Processing for Optical Communications and Networks I
Abstract: The achievable information rates of optical communication networks have been widely increased over the past four decades with the introduction and development of optical amplifiers,
Guide Equalization Enhanced Phase Noise in Coherent Receivers: DSP
Aymeric Arnould, Amirhossein Ghazisaeidi Abstract—We revisit the analysis of equalization-enhanced phase noise (EEPN) arising in coherent receivers from the interaction between the chromatic
Guide Analysis of Conventional Direct Detection and Coherent
This study evaluated the use of GFDM transmission in passive optical networks (PONs) by comparing the performance of coherent and non-coherent
Guide DIGITAL FILTERS OPTIMISATION USING RESIDUAL LEARNING
Digital coherent receivers are typically used in high-speed coherent optical communication systems because to their capacity to conduct CDE in the electrical domain, recover pulse signal broadening
Guide Adaptive Filtering in Optical Coherent Flexible Bit-Rate
Abstract and Figures In this article, we analyze the performance of adaptive filtering in the context of dual-polarization coherent optical flexible bit
Guide Optical Performance Monitoring in Digital Coherent
Digital coherent receiver with one optical 90-hybrid for each polarization, ADC, and subsequent digital postprocessing by timing recovery, FIR
Guide Digital Coherent Receivers for Long-Reach Optical Access Networks
The relative merits of coherent-enabled optical access network architectures are explored, with a focus on achievable capacity, reach and split ratio. We review the progress in
Guide Coherent detection in optical fiber systems
Abstract: The drive for higher performance in optical fiber systems has renewed interest in coherent detection. We review detection methods, including noncoherent, differentially coherent, and coherent
Guide Digital Coherent Optical Receivers: Algorithms and Subsystems
After giving a high-level overview of the subsystems, the optical front end, the analog-to-digital converter (ADC) and the digital signal processing (DSP) algorithms, which relax the tolerances
Guide (PDF) Integrated coherent optical receiver with feed-forward carrier
In 2020, Xuan et al. proposed an integrated coherent optical receiver with feed-forward carrier recovery and achieved a BER better than 10 −6 for BPSK at 10 Gbit/s .
Guide Digital coherent optical communication systems: fundamentals and
This paper reviews the history of coherent optical communications, the principle of coherent detection, and the concept of the digital co-herent receiver. After that, we discuss digital signal processing
Guide Adaptive Pre/Post-Compensation of Cascade Filters in
We propose an adaptive joint pre- and post-compensation to correct the filtering effects caused by cascading reconfigurable optical add drop multiplexers
Guide Matched Filtering for MIMO Coherent Optical Communications with
This paper is focused on the linear multiple-input multiple-output (MIMO) receiver designed to optimize the minimum mean square error (MMSE) for a coherent SDM optical
Guide COHERENT RECEIVER FRONTENDS
COHERENT RECEIVER FRONTENDS AT A GLANCE • Optical coherent receiver in a compact 19"-chassis • Coherent detection of high-speed optical dual-polarization m-PAM and m-QAM signals >
Guide Simplified coherent receivers for passive optical networks
However, the idea of simplified coherent receivers have re-emerged in the PON field, as here cost is key, and steps that can reduce both the number of analogue components and DSP power consump-
Guide Signal Theory of the Coherent Optical Receiver
In this chapter, we will consider different architectures of optical coherent detection, providing a quantitative comparison of performances and complexities. The focus is on the code
Guide Coherent detection in optical fiber systems
For a given modulation format, using coherent detection, they offer fundamentally the same spectral efficiency and power efficiency, but may differ in practice, because of different impairments and
Guide Chromatic Dispersion Equalization FIR Digital Filter for
Chromatic dispersion equalization (CDE) in coherent optical communication systems is extremely critical for subsequent digital signal
Guide Principles of digital coherent receivers for optical communications
Coherent detection enables the highest spectral efficiency by allowing information be encoded in amptitude and phase. Homodyne or heterodyne downcoverter recovers the field in each
Guide Advances in Adaptive Filtering for Coherent Dual-Polarization Optical
The review explores the effectiveness of different adaptive algorithms in coherent receivers, the importance of dual polarization, and the function of adaptive filters in reducing channel impairments.
Guide Coherent Receiver
A coherent receiver is defined as a type of optical receiver that utilizes a local oscillator, typically a continuous wave laser, which oscillates at a frequency close to that of the incoming signal,
Guide Matched Filtering for MIMO Coherent Optical Communications with
MIMO coherent optical communication system model with matched filter-based receiver in the absence of mode-dependent loss (MDL) (a) and its equivalent discrete-time system model (b).
Guide Fundamentals of Coherent Optical Fiber Communications
Fundamentals of Coherent Optical Fiber Communications Kazuro Kikuchi, Fellow, IEEE, Fellow, OSA (Tutorial Review) Abstract—The recently developed digital coherent receiver en- ables us to employ
Guide (PDF) Coherent Optical Systems: Principles,
PDF | This paper is a tutorial review for coherent optical communication with emphasis on digital coherent receivers because digital coherent optical... |
Guide Shot Noise Optimal Receiver Filters for Coherent and Non-Coherent
In this paper, we investigate optimal receiver filter design with respect to shot noise in both non-coherent and coherent fibre optic communication systems.