Results 251 to 260 of about 38,923 (287)

Spatial light modulators for space-division multiplexing

2014 12th International Conference on Optical Internet 2014 (COIN), 2014
The applications of spatial light modulators for mode division multiplexing will be discussed, including multiplexing, characterization and wavelength switching and filtering.
Joel Carpenter, Benjamin J. Eggleton, Jochen Schröder   +2 more
openaire   +1 more source

55-Spatial-Mode Fiber for Space Division Multiplexing

Optical Fiber Communication Conference (OFC) 2023, 2023
We report the design and the fabrication of a trench-assisted graded-index-core fiber that supports 55 spatial modes. The fiber is optimized to ensure low macro-bend losses for all the modes, while minimizing the differential-mode-group delays.
P. Sillard, M. Bigot, K. de Jongh, F. Achten, G. Rademacher, R. S. Luís, B. J. Puttnam   +6 more
openaire   +1 more source

Photonic lantern spatial multiplexers in space-division multiplexing

2013 IEEE Photonics Society Summer Topical Meeting Series, 2013
Photonic-lanterns are lossless spatial-multiplexers that scramble N signals onto the N modes of a multi-mode fiber without mode- dependent loss. They can scale to large N and have enabled transmission over a fiber supporting 12 spatial and polarization-modes.
openaire   +1 more source

Spatial division multiplexing of space-time block codes

International Conference on Communication Technology Proceedings, 2003. ICCT 2003., 2004
In this paper we propose to derive benefit from multiple antennas to achieve high data rates using a spatial division multiplexing (SDM) based scheme combined with space-time block coding (STBC). This scheme allows to transmit simultaneously N/P different streams from N antennas, each stream being encoded using a STBC designed for P outputs.
S. Rouquette-Leveil, K. Gosse, null Xiangyang Zhuang, F.W. Vook   +3 more
openaire   +1 more source

Modulation and Coding for Spatial Division Multiplexing Systems

Latin America Optics and Photonics Conference, 2018
We present modulation formats designed for the SDM channels with hard-decision FEC. We also review how soft-decision FEC with codeword interleaving over spatial modes enabled record bitrate-distance products in few mode fiber transmission.
Tobias A. Eriksson, Georg Rademacher, Ruben Luís, Benjamin J. Puttnam   +3 more
openaire   +1 more source

Combined Spatial Division Multiplexing and Spatial Reuse across Decentral Wireless LANs

2021 19th Mediterranean Communication and Computer Networking Conference (MedComNet), 2021
The upcoming IEEE 802.11ax standard introduces spatial reuse and enhanced spatial division multiplexing as two measures to improve user throughput by parallel transmitting links and spatial streams. Related work shows that the proposed spatial reuse concept does not fully utilize the spatial reuse potential.
M. Knitter, W. Endemann, R. Kays
openaire   +1 more source

Optical filter multiplexing using spatial code division approach

SPIE Proceedings, 2003
One of the most effective "traditional" communication methods is code division multiple access (CDMA). In this paper, we suggest the use of this approach for spatial filtering applied to images. The approach is to multiplex several filters into one plane while keeping their mutual orthogonality.
Jonathan Solomon, Zeev Zalevsky, David Mendlovic, Javier Garcia   +3 more
openaire   +1 more source

Efficient optical amplification for spatial division multiplexing

SPIE Proceedings, 2012
Spatial division multiplexing has been proposed for fiber capacity increase as an alternative to enhanced bandwidth efficiency by higher order modulation or wider wavelength bands. The commercial viability of this approach will depend strongly on the feasibility of cost and energy efficient optical amplification.
openaire   +1 more source

Analysis of spatial domain multiplexing/space division multiplexing (SDM) based hybrid architectures operating in tandem with wavelength division multiplexing

SPIE Proceedings, 2014
Spatial domain multiplexing (SDM) also known as space division multiplexing adds a new degree of photon freedom to existing optical fiber multiplexing techniques by allocating separate radial locations to different MIMO channels as a function of the input launch angle.
Syed Murshid, Greg Lovell, Bilas Chowdhury, Arnob Hridoy, Gurinder S. Parhar, Abhijit Chakravarty, Saud Alanzi   +6 more
openaire   +1 more source

Compact Spatial Division Multiplexing with Dielectric Metasurfaces

CLEO 2024
Compact, integrated, and scalable devices are critical for future high-density optical communication applications. Here, we review our recent results demonstrating di-electric metasurfaces devices for mode-division multiplexing in few-mode fibers and free-space coupling into multi-core fibers.
Paulo Dainese, Jaewon Oh, Jun Yang, Louis Marra, Ahmed H. Dorrah, Alfonso Palmieri, Federico Capasso   +6 more
openaire   +1 more source