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Research on Key Technologies of Mode Multiplexing / Demultiplexing [PDF]

open access: yesE3S Web of Conferences, 2020
The rapid growth of Internet capacity has driven the continuous progress of optical fiber communication technology. The transmission capacity of the current optical fiber communication system is close to the limit of single-mode optical fiber ...
Zhiyao Su
doaj   +1 more source

Diversity-multiplexing tradeoff in mode-division multiplexing [PDF]

open access: yesOptics Letters, 2014
The capacity of mode-division multiplexing (MDM) systems is limited, for a given outage probability, by mode-dependent loss (MDL) and gain. Modal degrees of freedom may be exploited to increase transmission rate (multiplexing gain) or lower outage probability (diversity gain), but there is a fundamental tradeoff between the achievable multiplexing and ...
Sercan Ö, Arık, Joseph M, Kahn
openaire   +2 more sources

Three-dimensional mode-division multiplexing system

open access: yesOptics Express, 2023
Blindly increasing the channels of the mode (de)multiplexer on the single-layer chip can cause the device structure to be too complex to optimize. The three-dimensional (3D) mode division multiplexing (MDM) technology is a potential solution to extend the data capacity of the photonic integrated circuit by assembling the simple devices in the 3D space.
Hansi Ma   +15 more
openaire   +2 more sources

Theoretical Investigation of the Capacity of Space Division Multiplexing with Multimode Step-Index Air-Clad Silica Optical Fibers

open access: yesPhotonics, 2022
We studied the effect of mode coupling on the space division multiplexing (SDM) capabilities of multimode step-index (SI) air-clad silica optical fibers by numerically solving the power flow equation.
Svetislav Savović   +5 more
doaj   +1 more source

Weakly-coupled real-time SDM technology for short-reach optical transmission

open access: yesDianxin kexue, 2022
The capacity upgrade of short-reach optical fiber transmission has received more and more attention.Spatial division multiplexing provides two new dimensions of fiber core and mode, which can greatly increase the transmission capacity of a single fiber ...
Yuyang GAO   +3 more
doaj   +2 more sources

Compact and high-performance vortex mode sorter for multi-dimensional multiplexed fiber communication systems [PDF]

open access: yes, 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
core   +2 more sources

A high-precision bidirectional time-transfer system over a single fiber based on wavelength-division multiplexing and time-division multiplexing

open access: yesFrontiers in Physics, 2023
In this paper, a high-precision bidirectional time-transfer system over a single fiber based on wavelength-division multiplexing and time-division multiplexing (SFWDM-TDM) is proposed, which combines the advantages of wavelength-division multiplexing and
Xinxing Guo   +12 more
doaj   +1 more source

Energy-efficiency improvements for optical access [PDF]

open access: yes, 2014
This article discusses novel approaches to improve energy efficiency of different optical access technologies, including time division multiplexing passive optical network (TDM-PON), time and wavelength division multiplexing PON (TWDM-PON), point-to ...
Anthapadmanabhan, P   +8 more
core   +1 more source

Compact spatial multiplexers for mode division multiplexing

open access: yesOptics Express, 2014
Spatial multiplexer (SMUX) for mode division multiplexing (MDM) has evolved from mode-selective excitation, multiple-spot and photonic-lantern based solutions in order to minimize both mode-dependent loss (MDL) and coupler insertion loss (CIL). This paper discusses the implementation of all the three solutions by compact components in a small footprint.
Chen, Haoshuo   +3 more
openaire   +3 more sources

A Coaxially Integrated Photonic Orbital Angular Momentum Beam Multiplexer [PDF]

open access: yes, 2016
We demonstrate an integrated photonic orbital angular momentum beam multiplexer consisting of four nested arc waveguide gratings. Well-defined OAM mode emissions over wide bandwidth of 1-nm enables simultaneous wavelength division multiplexing and OAM ...
Cai, Xinlun   +8 more
core   +1 more source

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