Digital signal processing for short-reach optical communications: A review of current technologies and future trends

K Zhong, X Zhou, J Huo, C Yu, C Lu… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Driven primarily by cloud service and data-center applications, short-reach optical
communication has become a key market segment and growing research area in recent …

Kramers–Kronig receivers

A Mecozzi, C Antonelli, M Shtaif - Advances in Optics and Photonics, 2019 - opg.optica.org
This paper reviews the foundations of the Kramers–Kronig (KK) receiver, a recently
proposed scheme designed to reconstruct a complex-valued signal from the measurement …

SSBI mitigation and the Kramers–Kronig scheme in single-sideband direct-detection transmission with receiver-based electronic dispersion compensation

Z Li, MS Erkılınç, K Shi, E Sillekens… - Journal of Lightwave …, 2017 - opg.optica.org
The performance of direct-detection transceivers employing electronic dispersion
compensation combined with DSP-based receiver linearization techniques is assessed …

Toward practical Kramers-Kronig receiver: Resampling, performance, and implementation

T Bo, H Kim - Journal of Lightwave Technology, 2019 - opg.optica.org
The Kramers-Kronig (KK) receiver has recently drawn a great deal of attention due to its
capability of retrieving the phase information from the directly-detected intensity waveforms …

Nonlinear Tomlinson-Harashima precoding for direct-detected double sideband PAM-4 transmission without dispersion compensation

H **n, K Zhang, D Kong, Q Zhuge, Y Fu, S Jia, W Hu… - Optics express, 2019 - opg.optica.org
In this paper, we propose a nonlinear Tomlinson-Harashima pre-coding (THP) scheme for
nonlinear distortion suppression in direct-detected double sideband (DSB) PAM-4 …

Complexity analysis of the Kramers–Kronig receiver

C Füllner, MMH Adib, S Wolf, JN Kemal… - Journal of Lightwave …, 2019 - opg.optica.org
We propose a low-complexity digital implementation of the Kramers–Kronig receiver and
analyze its performance and complexity. In simulations and experiments, we find that a …

High-capacity direct-detection systems

X Chen, C Antonelli, A Mecozzi, D Che… - Optical Fiber …, 2020 - Elsevier
This chapter focuses on various high-capacity direct-detection (DD) systems, which include
conventional intensity-modulation and direct-detection (IM-DD) systems that have been …

PAM4 vs coherent for DCI applications

JP Elbers, N Eiselt, A Dochhan, D Rafique… - Signal Processing in …, 2017 - opg.optica.org
PAM4 vs Coherent for DCI Applications Page 1 SpTh2D.1.pdf Advanced Photonics Congress
(IPR, Networks, NOMA, PS, Sensors, SPPCom) © OSA 2017 PAM4 vs Coherent for DCI …

Optical filter requirements in an EML-based single-sideband PAM4 intensity-modulation and direct-detection transmission system

HY Chen, N Kaneda, J Lee, J Chen, YK Chen - Optics Express, 2017 - opg.optica.org
The feasibility of a single sideband (SSB) PAM4 intensity-modulation and direct-detection
(IM/DD) transmission based on a CMOS ADC and DAC is experimentally demonstrated in …

Dual-drive Mach-Zehnder modulator-based single side-band modulation direct detection system without signal-to-signal beating interference

W Wang, F Li, Z Li, Q Sui, Z Li - Journal of Lightwave Technology, 2020 - opg.optica.org
Kramers-Kronig (KK) receiver based optical single sideband (SSB) direct detection (DD)
systems have been extensively investigated to cope with signal-to-signal beating …