Compact and high-performance vortex mode sorter for multi-dimensional multiplexed fiber communication systems [PDF]
, 2020 With the amplitude, time, wavelength/frequency, phase, and polarization/spin parameter dimensions of the light wave/photon almost fully utilized in both classical and quantum photonic information systems, orbital angular momentum (OAM) carried by optical
Chen, Yujie +8 more
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Direct fiber vector eigenmode multiplexing transmission seeded by integrated optical vortex emitters [PDF]
, 2017 Spatial modes have received substantial attention over the last decades and are used in optical communication applications. In fiber-optic communications, the employed linearly polarized modes and phase vortex modes carrying orbital angular momentum can ...
Cai, Xin-Lun +11 more
core +1 more source
Applied Sciences, 2018 In this paper, we experimentally investigate the turbulence mitigation methods in free-space optical communication systems based on orbital angular momentum (OAM) multiplexing.
Zhen Qu, Ivan B. Djordjevic
doaj +1 more source
High throughput MIMO-OFDM WLAN for urban hotspots [PDF]
, 2005 This paper presents a set of rigorous and comprehensive coverage and throughput studies for enhanced high-capacity Multi-Input Multi-Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) systems.
Bian, YQ +3 more
core +2 more sources
Test of mode-division multiplexing and demultiplexing in free-space with diffractive transformation optics [PDF]
, 2017 open5openGIANLUCA RUFFATO, 1; FILIPPO ROMANATO, ; 1Department of Physics and Astronomy ‘G. Galilei’, University of Padova; 2Laboratory for Nanofabrication of Nanodevices, c.so Stati Uniti 4GIANLUCA RUFFATO, 1; Romanato, Filippo; Ruffato, Gianluca ...
core +1 more source
Generation of Photon Orbital Angular Momentum and Its Application in Space Division Multiplexing
Photonics, 2023 In the last three decades, light’s orbital angular momentum (OAM) has been of great interest because it has unique characteristics that make it sought after in many research fields, especially in optical communications.
Temitope M. Olaleye +2 more
doaj +1 more source
Downlink Precoding for Massive MIMO Systems Exploiting Virtual Channel Model Sparsity
, 2017 In this paper, the problem of designing a forward link linear precoder for Massive Multiple-Input Multiple-Output (MIMO) systems in conjunction with Quadrature Amplitude Modulation (QAM) is addressed.
Ayanoglu, Ender, Ketseoglou, Thomas
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Mode division multiplexing using an orbital angular momentum mode sorter and MIMO-DSP over a graded-index few-mode optical fibre [PDF]
, 2015 Mode division multiplexing (MDM)– using a multimode optical fiber’s N spatial modes as data channels to transmit N independent data streams – has received interest as it can potentially increase optical fiber data transmission capacity N-times with ...
Ahmed, Nisar +14 more
core +2 more sources
Joint Spatial Division and Multiplexing
, 2012 We propose Joint Spatial Division and Multiplexing (JSDM), an approach to multiuser MIMO downlink that exploits the structure of the correlation of the channel vectors in order to allow for a large number of antennas at the base station while requiring reduced-dimensional Channel State Information at the Transmitter (CSIT).
Adhikary, Ansuman +3 more
openaire +2 more sources
Joint transform correlator with spatial code division multiplexing
Applied Optics, 2006 A joint transform correlator may suffer from overlapping of the zero diffraction order of the output, which does not contain relevant information, and the correlation peaks that appear in the first diffraction orders if objects are not sufficiently separated. Such overlapping significantly reduces the signal-to-noise ratio of the identification process.
Zeev, Zalevsky +5 more
openaire +2 more sources