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Supplementary document for Utilizing Multiplexing of Structured THz Beams Carrying Orbital-Angular-Momentum for High-Capacity Communications - 5917126.pdf

Huibin Zhou, Xinzhou Su, Amir Minoofar, Runzhou Zhang, Kaiheng Zou, Hao Song, Kai Pang, Haoqian Song, Nanzhe Hu, Zhe Zhao
2022 figshare.com  
Simulation of (a) beam diameters of THz OAM beams with different OAM orders at different transmission distances and (b) limited Rx aperture-induced power loss at different transmission distances.  ...  Implementing details of experimental setups Figure S1a depicts the detailed experimental setup for a 60-Gbit/s QPSK or a 24-Gbit/s 16-QAM THz OAM-multiplexed link using two OAM beams at 0.3 THz.  ...  Supplementary Information: Utilizing Multiplexing of Structured THz Beams Carrying Orbital-Angular-Momentum for High-Capacity Communications  ... 
doi:10.6084/m9.figshare.20124080.v1 fatcat:phvdnsrum5dg3kvyeg7nox3esy

Supplementary document for Utilizing Multiplexing of Structured THz Beams Carrying Orbital-Angular-Momentum for High-Capacity Communications - 5917126.pdf

Huibin Zhou, Xinzhou Su, Amir Minoofar, Runzhou Zhang, Kaiheng Zou, Hao Song, Kai Pang, Haoqian Song, Nanzhe Hu, Zhe Zhao
2022 figshare.com  
Simulation of (a) beam diameters of THz OAM beams with different OAM orders at different transmission distances and (b) limited Rx aperture-induced power loss at different transmission distances.  ...  Implementing details of experimental setups Figure S1a depicts the detailed experimental setup for a 60-Gbit/s QPSK or a 24-Gbit/s 16-QAM THz OAM-multiplexed link using two OAM beams at 0.3 THz.  ...  Supplementary Information: Utilizing Multiplexing of Structured THz Beams Carrying Orbital-Angular-Momentum for High-Capacity Communications  ... 
doi:10.6084/m9.figshare.20124080.v2 fatcat:dt4movwbfvh25hurmei7w46ef4

Design and Performance Analysis of Hybrid Multidimensional OAM-DM-WDM-OFDM-PON System with High-Capacity and Long-Distance Transmission

Qingan Ding, Li Zheng, Huixin Liu, Junkai Li, Xiaohan Guo, Xudong Cheng, Zhenfei Dai, Qunying Yang, Jun Li
2022 Photonics  
By utilizing the compatibility of OAM-DM and WDM, data of 40 Gbit/s OFDM signals is successfully transmitted in 80 km multimode fiber (MMF) with low crosstalk.  ...  Within this hybrid system, the effects of different wavelengths and different modes on the bit error rate (BER) are discussed at varying transmission distances.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/photonics9070448 fatcat:pn6u26ycrrhznf62w7habexs3i

Millimeter-Wave Multiplexed Wideband Wireless Link Using Rectangular-Coordinate Orthogonal Multiplexing (ROM) Antennas

Takashi Tomura, Jiro Hirokawa, Muhsin Ali, Guillermo Carpintero
2021 Journal of Lightwave Technology  
This paper is the first demonstration of multiplexed wideband data transmission in the millimeter-wave range using rectangular-coordinate orthogonal multiplexing (ROM) antennas.  ...  The two multiplexed channels show a total data rate up to 9.0 Gbps at most (5.875 Gbps and 3.125 Gbps for each channel) limited by the bandwidth of the low noise amplifiers at the receiver.  ...  He was with the antenna group of Chalmers University of Technology, Gothenburg, Sweden, as a Postdoctoral Fellow  ... 
doi:10.1109/jlt.2021.3093445 fatcat:4k6mvwuw5bcvdh2uyz7yg5gxui

High-speed free-space optical continuous-variable quantum key distribution enabled by three-dimensional multiplexing

Zhen Qu, Ivan B. Djordjevic
2017 Optics Express  
In our experiment, based on commercial photodetectors, the minimum transmittances of 0.21 and 0.29 are required for OAM states of 2 (or −2) and 6 (or −6), respectively, to guarantee the secure transmission  ...  A high-speed four-state continuous-variable quantum key distribution (CV-QKD) system, enabled by wavelength-division multiplexing, polarization multiplexing, and orbital angular momentum (OAM) multiplexing  ...  degrees of freedom; and evaluate it in the presence of atmospheric turbulence.  ... 
doi:10.1364/oe.25.007919 pmid:28380909 fatcat:2ffya4a5mbgi3lzftqr4wkr6je

Enhanced Performance of the 4 × 20 Gbit/s-40 GHz OFDM-Based RoFSO Transmission Link Incorporating WDM-MDM of Hermite Gaussian and Laguerre Gaussian Modes

Karamjeet Singh, Mehtab Singh, Amit Grover, Rajan Miglani, Harjeevan Singh, El Mehdi Amhoud
2022 Frontiers in Physics  
The link demonstrates superior performance in terms of maximum range and transmission rate compared to previous works.  ...  A 4 × 20 Gbit/s-40 GHz orthogonal frequency-division multiplexing-based radio-on-free-space optics information link, integrating hybrid wavelength- and mode-division multiplexed transmission techniques  ...  Figure 3 . 3 Opti-System and MATLAB tools were used to implement this work. At 193.1 THz central frequency, HG01 transports channel 1 data, and HG03 transports channel 2 data.  ... 
doi:10.3389/fphy.2022.944705 doaj:40677da186784039b19a67d987412934 fatcat:lp3dlzhmw5cndjzkavsanp5mue

Terahertz wireless communications

Zhi Chen, Chong Han, Xianbin Yu, Guangjian Wang, Nan Yang, Mugen Peng
2021 China Communications  
Inspired of these, this feature topic invites submissions of high-quality original research papers capturing the state-of-the-art advances in the theoretical foundations and practical implementation of  ...  THz communications and networking.  ...  It is shown that developing novel THz components in generating, detecting and (de)multiplexing THz-OAM beams have become the key engine to drive this direction forward.  ... 
doi:10.23919/jcc.2021.9444234 fatcat:ccsj5os27bd5tb3ea4ysxragfu

Pervasive Intelligent Endogenous 6G Wireless Systems: Prospects, Theories and Key Technologies

Yun Chen, Wenfeng Liu, Zhiang Niu, Zhongxiu Feng, Qiwei Hu, Tao Jiang
2020 Digital Communications and Networks  
will revolutionize all walks of life and accelerate the transformation and innovation of the global society.  ...  In this paper, we present a forward-looking, comprehensive and in-depth analysis and technical identification of 6G.  ...  Momentum (OAM), Overlapped X Domain Multiplexing (OVXDM), Radio Over Fiber (ROF), and so on.  ... 
doi:10.1016/j.dcan.2020.07.002 fatcat:pfo2oeb7tjeurhoqaqvhrzz3cq

THz channel modeling: Consolidating the road to THz communications

Shanyun Liu, Xianbin Yu, Rongbin Guo, Yajie Tang, Zhifeng Zhao
2021 China Communications  
With the progressive development of THz devices, regrading THz communications at system level is increasing crucial and captured the interest of plenty of researchers.  ...  Then, we focus on simulators and experiments in the THz band, after which we give a brief introduction on applications of THz channel models with respects to capacity, security, and sensing as examples  ...  Moreover, the novel multiplexing and coding of orbital angular momentum (OAM) waves provide a new degree of freedom to realize ultra-high capacity communication [114] .  ... 
doi:10.23919/jcc.2021.05.003 fatcat:vmfdbsnefjda3eb2fm5y7xbvju

All-Optical Amplitude Multiplexing Through Fiber Parametric Interaction Between Binary Signals [chapter]

Marcelo L. F. Abbade, Jorge D., Eric A. M. Fagotto, Felipe R., Andr L. A. Costa, Iguatemi E., Edson Moschim
2012 Optical Fiber Communications and Devices  
An accurate control of the ERs of both the pump and the signal was a necessary item for the proper evaluation of the proposed technique.  ...  Optical amplitude multiplexing through fiber parametric amplification Theory Here, we use the same notation as in Section 3.2. Fig. 18 illustrates a diagram for implementing OAM-3P.  ... 
doi:10.5772/29353 fatcat:ny2pa3hj3rbp5kvx5gryxpcw6u

Mode-walk-off interferometry for position-resolved optical fiber sensing [article]

Luis Costa, Zhongwen Zhan, Alireza Marandi
2022 arXiv   pre-print
We use this mode-walk-off interferometry to experimentally measure and localize physical changes to the fiber under test (axial strain and temperature) without the typical requirement of round-trip time-of-flight  ...  range distributed sensing in amplified space-division-multiplexed telecommunication links.  ...  For our specific implementation, however, each acquired time-series is divided into several sub-series, each corresponding to the output of a sub-sweep of bandwidth B sub < B max and a slightly different  ... 
arXiv:2203.16783v3 fatcat:s5sxh2wrovanvnc547rf754jz4

Free Space Optical Communication: Challenges and Mitigation Techniques [article]

Hemani Kaushal, Georges Kaddoum
2015 arXiv   pre-print
The first part of the paper will focus on various types of impairments that poses a serious challenge to the performance of FSO system for both terrestrial and space links.  ...  It will provide details of various performance mitigation techniques in order to have high link availability and reliability of FSO system.  ...  The multiplexing of OAM beams is considered as a form of spatial multiplexing which is capable of enhancing the capacity and spectral efficiency of the FSO link.  ... 
arXiv:1506.04836v1 fatcat:gvzq3wip2rexdnybi3n3ww4tfm

TeraHertz Band Communication: An Old Problem Revisited and Research Directions for the Next Decade [article]

Ian F. Akyildiz, Chong Han, Zhifeng Hu, Shuai Nie, Josep M. Jornet
2022 arXiv   pre-print
The topic of THz communications became very important and appealing to the research community due to 6G wireless systems design and development in recent years.  ...  The key aspects presented in this paper will enable THz communications as a pillar of 6G and Beyond wireless systems in the next decade.  ...  ., for ease of the practical implementations of these THz applications. ‚ Accurate and Flexible THz Channel Models. The discussions in Sec.  ... 
arXiv:2112.13187v3 fatcat:irt2ivosjncslbenh2fl4kwi54

Optical Communication in Space: Challenges and Mitigation Techniques

Hemani Kaushal, Georges Kaddoum
2017 IEEE Communications Surveys and Tutorials  
The first part of the paper will focus on various types of impairments that pose a serious challenge to the performance of optical communication system for ground-to-satellite or satellite-to-ground and  ...  However, despite the great potential of FSO communication, its performance is limited by the adverse effects viz., absorption, scattering, and turbulence of the atmospheric channel.  ...  For the practical implementation of OAM-based FSO multiplexed system, various design considerations such as beam size, receiver aperture size, mode space of OAM beams for given lateral displacements are  ... 
doi:10.1109/comst.2016.2603518 fatcat:zv3fa7k2pbet3pi6gphq6izqae

Plasmonic and Dielectric Metasurfaces: Design, Fabrication and Applications

Jian Wang, Jing Du
2016 Applied Sciences  
metasurface-based broadband and the selective generation of orbital angular momentum (OAM) carrying vector beams, N-fold OAM multicasting using a V-shaped antenna array, a metasurface on conventional  ...  metasurface array, as well as Bessel beam generation and OAM multicasting using a dielectric metasurface array.  ...  system and space-division multiplexing (SDM)-assisted optical communication systems.  ... 
doi:10.3390/app6090239 fatcat:nsz6r76kxzhjbaui5v5k3jnrzy
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