Upscaling Customer Access Network Using Spectrum Conversion–Slicing–Duplication Technique

MS Ab-Rahman, JA Rahman, NFM Arifin, IH Kaharudin… - Photonics, 2023 - mdpi.com
The purpose of this study is to increase the number of access users without having to install
a new optical cable. With the proposed solution, the cost of installation work can be reduced …

Study of ASE noise power, noise figure and quantum conversion efficiency for wide-band EDFA

AH Beshr - Optik, 2015 - Elsevier
High gain and low noise figure (NF) are desired features of any erbium doped fiber amplifier
(EDFA) based configuration. In this paper, the effect of wavelength and bandwidth on …

Investigation of spectrally efficient transmission for unequally channel spaced WDM systems with mixed data rates and signal formats

A Udalcovs, V Bobrovs - 2012 8th International Symposium on …, 2012 - ieeexplore.ieee.org
The authors have investigated the frequency plan of channels central wavelengths allotment
for wavelength division multiplexing (WDM) systems with the mixed data rates and optical …

轨道角动量光信号处理研究进展

刘俊, 王健 - 通信学报, 2021 - infocomm-journal.com
携带轨道角动量的光束利用了光子横向空间分布, 其具有空间螺旋相位波前. 近年来,
类比波分复用技术, 轨道角动量复用技术引起了国内外的广泛关注并在高速大容量光传输方面 …

Optical hexadecimal coding/decoding using 16-QAM signal and FWM in HNLFs

J Wang, JY Yang, X Wu… - Journal of lightwave …, 2012 - ieeexplore.ieee.org
We propose a simple approach to manipulating the constellation of a multilevel modulation
signal in the optical domain. By exploiting degenerate four-wave mixing (FWM) in highly …

All-optical OOK-to-16QAM format conversion by using SOA-MZI wavelength converters

K Mishina, T Kono, A Maruta… - 2012 17th Opto …, 2012 - ieeexplore.ieee.org
All-optical OOK-to-16QAM format conversion by using SOA-MZI wavelength converters Page 1
Abstract We propose a novel all-optical NRZ-OOK/RZ-16QAM modulation format converter …

Investigation of spectrally efficient transmission for differently modulated optical signals in mixed data rates WDM systems

A Udalcovs, V Bobrovs - 2011 IEEE Swedish Communication …, 2011 - ieeexplore.ieee.org
The authors have studied the possibilities to obtain the maximum spectral efficiency for a
combined wavelength division multiplexing (WDM) system by minimizing the channel …

Optical communications beyond orbital angular momentum

C Rosales-Guzmán, A Trichili, A Dudley… - Laser Beam …, 2016 - spiedigitallibrary.org
Current optical communication technologies are predicted to face a bandwidth capacity limit
in the near future. The nature of the limitation is fundamental rather than technological and is …

Two-dimension and high-resolution demultiplexing of coaxial multiple orbital angular momentum beams

J Yang, Z Liu, S Gao, X Huang, Y Feng, W Liu, Z Li - Optics Express, 2019 - opg.optica.org
A high-resolution demultiplexing method is proposed for the separation of coaxial multiple
orbital angular momentum (OAM) beams which are created by a self-designed computer …

[PDF][PDF] Investigation of differently modulated optical signals transmission in HDWDM systems

A Udalcovs, V Bobrovs, G Ivanovs - Computer Technology and Applications, 2011 - mtas.ru
The authors' developed combined system model can be considered under the concept of
next generation optical network (NGON) as a model for the future design of backbone …