Tbit/s multi-dimensional multiplexing THz-over-fiber for 6G wireless communication
H Zhang, L Zhang, S Wang, Z Lu… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
Photonics-aided terahertz (THz) wireless systems have been progressively developed to
accommodate the forthcoming wireless communication with extremely high data rates in …
accommodate the forthcoming wireless communication with extremely high data rates in …
Transmitter and receiver impairment monitoring using adaptive multi-layer linear and widely linear filter coefficients controlled by stochastic gradient descent
We propose a monitoring method for individual impairments in a transmitter (Tx) and
receiver (Rx) by using filter coefficients of multi-layer strictly linear (SL) and widely linear …
receiver (Rx) by using filter coefficients of multi-layer strictly linear (SL) and widely linear …
2048-QAM transmission at 15 GBd over 100 km using geometric constellation shaping
We experimentally investigated a pilot-aided digital signal processing (DSP) chain in
combination with high-order geometric constellation shaping to increase the achievable …
combination with high-order geometric constellation shaping to increase the achievable …
Nonlinearity compensation and link margin analysis of 112-Gbps circular-polarization division multiplexed fiber optic communication system using a digital coherent …
AKMSJ Choyon, R Chowdhury - Journal of Optics, 2021 - Springer
Nonlinear effects have been considered as the major limitations in coherent optical (CO)
fiber transmission system. Digital signal processing (DSP)-based CO receiver with digital …
fiber transmission system. Digital signal processing (DSP)-based CO receiver with digital …
Biased balance detection for fiber optical frequency comb based linear optical sampling
Linear optical sampling (LOS) is a powerful technique to circumvent the electronic
bottleneck arising in optical modulation analyzer (OMA). To extend the range of operation …
bottleneck arising in optical modulation analyzer (OMA). To extend the range of operation …
Single-pixel optical modulation analyzer: a low-complexity frequency-dependent IQ imbalance monitor based on direct detection with phase retrieval
Tiny mismatches in timing, phase, and/or amplitude between in-phase (I) and quadrature (Q)
tributaries in an electro-optic IQ modulator, namely IQ imbalance, can severely affect high …
tributaries in an electro-optic IQ modulator, namely IQ imbalance, can severely affect high …
Ultra-fast RSOP tracking via 3 pilot tones for short-distance coherent SCM systems
We propose an algorithm to track the rotation of state of polarization (RSOP) for short-
distance coherent subcarrier-multiplexing systems. 3 pilot tones are used to estimate RSOP …
distance coherent subcarrier-multiplexing systems. 3 pilot tones are used to estimate RSOP …
Universal virtual lab: A fast and accurate simulation tool for wideband nonlinear DWDM systems
We introduce the concept of the universal virtual lab, an extension to the virtual lab platform
of [Golani et al. 2016], enabling a fast and accurate simulation of wideband nonlinear …
of [Golani et al. 2016], enabling a fast and accurate simulation of wideband nonlinear …
Compensation for in-phase/quadrature phase mismatch in coherent free-space optical QPSK communication systems
X Li, T Geng, Y Gu, R Tian, S Gao - Applied Sciences, 2021 - mdpi.com
Featured Application In this paper, we put forward an algorithm switching orthogonalization
procedure (ASOP) according to the quality of the in-phase and quadrature signal branches …
procedure (ASOP) according to the quality of the in-phase and quadrature signal branches …
[PDF][PDF] 基于相位调制本振的相干检测系统
李赟， 李正璇， 黄新刚， 杨波， 钟一鸣， 马壮… - Acta Optica …, 2021 - researching.cn
摘要提出了一种简化的相干检测系统, 通过在时域上交替探测信号的同向(I) 及正交(Q) 信息分量,
实现了基于单个平衡光电探测器(BPD) 的相位分集接收. 仿真结果表明, 25Gbit/s …
实现了基于单个平衡光电探测器(BPD) 的相位分集接收. 仿真结果表明, 25Gbit/s …