Machine learning for self-coherent detection short-reach optical communications

Q Wu, Z Xu, Y Zhu, Y Zhang, H Ji, Y Yang, G Qiao… - Photonics, 2023 - mdpi.com
Driven by emerging technologies such as the Internet of Things, 4K/8K video applications,
virtual reality, and the metaverse, global internet protocol traffic has experienced an …

Recent advances in coherent optical communications for short-reach: Phase retrieval methods

AS Karar, ARE Falou, JMH Barakat, ZN Gürkan… - Photonics, 2023 - mdpi.com
Short-reach transmission systems traditionally utilize intensity modulation (IM) at the
transmitter and direct detection (DD) at the receiver due to their cost-effectiveness, small …

Silicon photonic carrier-assisted differential detection receiver with high electrical spectral efficiency for short-reach interconnects

J Li, Z Wang, H Ji, X Li, H Chen… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Coherent detection is advantageous in achieving high electrical spectral efficiency (ESE)
relative to direct detection (DD), due to its capability of field recovery. However, the stringent …

Optical field recovery in Jones space

Q Wu, Y Zhu, H Jiang, Q Zhuge… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Optical full-field recovery allows for fiber impairments compensation such as chromatic
dispersion and polarization mode dispersion (PMD) in the digital signal processing. For cost …

Carrier assisted differential detection with generalized and simplified receiver structure

H Ji, S Dong, Z Xu, J Li, RR Unnithan… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
Coherent detection has the primary advantage of optical field recovery, which enables
channel impairment compensation and advanced modulation formats for high-capacity …

Offset double-sideband signal field recovery at low CSPR using filter-assisted direct detection

P Qin, C Bai, H Xu, L Yang, X Luo, X Chi, R Zhang… - Optical Fiber …, 2023 - Elsevier
The offset double-sideband (DSB) scheme has attracted attention because it can achieve
field recovery at low carrier-to-signal power ratio (CSPR) and improve the spectral efficiency …

Carrier assisted differential detection with a generalized transfer function

H Ji, M Sun, C Sun, W Shieh - Optics Express, 2020 - opg.optica.org
Direct detection capable of optical field recovery not only enables high-order modulation for
high spectral efficiency (SE) but also extends the transmission reach by digital …

Offset double sideband carrier assisted differential detection with field recovery at low carrier-to-signal power ratio

P Qin, C Bai, Z Wang, H Xu, L Yang, YN Zhang… - Optics …, 2022 - opg.optica.org
Four system frameworks based on carrier assisted differential detection (CADD) receivers
for offset double sideband (DSB) signal transmission, including offset DSB asymmetric …

Carrier-assisted differential detection with reduced guard band and high electrical spectral efficiency

J Li, S An, H Ji, X Li, W Shieh, Y Su - Optics Express, 2021 - opg.optica.org
For high-capacity and short-reach applications, carrier-assisted differential detection
(CADD) has been proposed, in which the optical field of a complex-valued double sideband …

[PDF][PDF] 直接探测光纤通信系统场信号恢复技术综述

孙梦凡, 蔡沅成, 朱敏, 张丽瑶, 梁胜… - Laser & …, 2022 - researching.cn
摘要直接探测光纤通信系统凭借其结构简单, 成本低廉的优势成为未来短距光通信的主要方案,
而场信号恢复(FSR) 技术是进一步提升直接探测系统容量的关键技术. 介绍了直接探测光纤通信 …