Space division multiplexing (SDM) communication systems

Application

Space division multiplexing (SDM) communication systems

• Different multicore fiber (MCF) design and analysis:
• Single-mode and few-mode per core
• Trench-assisted and/or hole-assisted cores
• Step and graded index refractive index profiles
• Crosstalk, leakage loss and bending loss analysis
• Effective area and core multiplicity factor
• Dispersion and differential group delay analysis

Overview

SDM using few-mode and multicore fibers (MCFs) is widely investigated to overcome the capacity limitation of conventional single mode fibers currently deployed.

MCFs can be manufactured with different refractive index profiles, with/without trench, with/without air-hole structures and in large diverse layouts [1]. The key performance parameters and design criteria of MCFs include inter-core crosstalk, leakage and bending losses, bandwidth and effective area. Multicore fibers are typically designed and simulated using the finite element method (FEM). Optiwave has developed MCF components in OptiSystem software to facilitate seamless design and analysis of MCFs using parameters extracted from the vector FEM mode solver in OptiMode software. SDM transmission systems can be designed and simulated in OptiSystem software.

OptiSystem Software Features

• Rapid prototyping of complex optical systems using extensive libraries of optical components
• Dedicated SDM library with built-in generic MCF and multimode MUX/DEMUX components
• Comprehensive optical fiber propagation models
• Temporal, spectral and spatial signal visualization capabilities

Learn more about OptiSystem

OptiMode Software Features

• Includes accurate and fast vector FEM mode solver.
• Supports triangular mesh that can be adapted to accurately approximate fine geometry features, refractive index profile and electromagnetic fields.
• Uniaxial perfectly matched layer (UPML) boundary condition enables identification of leaky modes.
• MCF bending loss can be accurately analyzed using transformation optics.
• Built-in VBScript capabilities accelerate the design and optimization of complex MCF profiles.
• Exploiting the symmetric boundary conditions reduces the simulation domain, and modes of certain symmetry can be readily targeted.
• Supports lossy, dispersive and anisotropic materials in full vector formulation.
• Supports accurate and spurious-solution proof higher order hybrid vector/nodal elements.
• Specific modes can be targeted through a user-specified complex modal effective index estimate.

Learn more about OptiMode

• Fiber Optic Communication

  • Optical amplifiers
  • Fiber lasers
  • LiFi systems
  • Visible light communication (VLC)
  • Free space optical (FSO) communication system
  • Long-haul optical communication systems
  • Advanced modulation systems 
  • Probabilistic pulse shaping for ultrahigh data transmission
  • Passive optical networks
  • OFDM and OCDMA
  • New radio front-haul
  • Spatial division multiplexed communication systems
  • Orbital angular momentum (OAM) systems 
  • Multicore fiber 

• Sensing

  • Advanced modulation systems 
  • Digital signal processing (DSP) and adaptive equalization (AE) 
  • Microwave photonics
  • Fiber sensors and interrogation systems
  • Fiber Bragg grating Design and application
  • Bragg grating design and application
  • SMF, MMF and specialty fiber design and characterization
  • Multicore fiber 
  • Photonics crystal fibers
  • Digital signal processing (DSP) and adaptive equalization (AE) 
  • LiDAR System
  • Photonic Crystals
  • Mach-Zehnder interferometers
  • Photonic circuits
  • Plasmonics and nanoparticles
  • Photonic waveguides

• Pharma/Bio

  • Passive optical networks
  • Microwave photonics
  • Fiber Bragg grating Design and application
  • SMF, MMF and specialty fiber design and characterization
  • Multicore fiber 
  • Photonics crystal fibers
  • Plasmonics and nanoparticles
  • Nanophotonics

• Military & Satcom

  • Optical amplifiers
  • Fiber lasers
  • Visible light communication (VLC)
  • Free space optical (FSO) communication system
  • Underwater communication systems
  • OFDM and OCDMA
  • Microwave photonics
  • Thin-film coatings and metamaterials
  • Spatial division multiplexed communication systems
  • Orbital angular momentum (OAM) systems 

• Test & Measurement

  • Advanced modulation systems 
  • Digital signal processing (DSP) and adaptive equalization (AE) 
  • Probabilistic pulse shaping for ultrahigh data transmission
  • Communication and control of Instruments
  • Testing automation and characterization 
  • Instruments and simulation software coexisting

• Fundamental Research

  • 2D/3D photonic crystals
  • Plasmonics
  • Nanophotonics
  • Slow-light propagation
  • Add-drop filters
  • Photonic waveguides
  • Plasmonics
  • Resonators

• Solar Panels

  • Photonic crystals and metamaterials
  • Reflectance / Absorption
  • Plasmonic nanoparticles

• Components / Devices

  • Plasmonics
  • Nanophotonics
  • Silicon photonics
  • Optical filters
  • Photonic waveguides
  • Resonators
  • Electro-optical devices