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Add-on Modules



BeamPROP is the industry-leading design tool based on the Beam Propagation Method (BPM) for the design and simulation of integrated and fiber-optic waveguide devices and circuits.

  • 2D and 3D simulation capabilities.
  • Non-uniform mesh.
  • Anisotropic and non-linear materials.

Applications : WDM devices such as arrayed waveguide grating (AWG) routers, Switches, Modulators, Multimode interference devices, Passive 1 x N or N x N splitters , Laser structure transverse mode analysis, Standard and specialty fiber design, Gratings, Sensor structures




FullWAVE is a highly sophisticated simulation tool for studying the propagation of light in a wide varietyof photonic structures including integrated and fiber-optic waveguide devices as well as circuits andnanophotonic devices such as photonic crystals. The software employs the Finite-Difference Time-Domain (FDTD) method for the full-vector simulation of photonic structures.

  • 2D, radial, and 3D simulation capabilities.
  • Non-uniform mesh.
  • Full control of dispersion, non-linear (?² and ?³), and anisotropic effects.
  • Frequency-dependent saturable gain model.
  • Includes Q-Finder, a utility that automates the search for cavity modes andQ-factors.

Applications:WDM devices such as ring resonators,Photonic bandgap circuits & applications, Grating structures, surface normal gratings, and other diffractive structures, Cavity computations and extractions, Nano- and micro-lithography , Biophotonics, Light scattering, Metrology, LED extraction analysis, Sensor and bio-sensor designs, Plasmon propagation effects, Surface plasmons, Negative refractive index materials



BandSOLVE is the first commercially available design tool to automate and simplify the modeling and calculation of photonic band structures for all photonic crystal (PC) devices. The BandSOLVE
simulation engine employs the Plane Wave Expansion (PWE) algorithm to perform band computations, and also provides a graphical display of the electromagnetic fields and other quantities of interest for further analysis.

  • Band gaps, band maps, and gap maps
  • Mode computation including Bloch and defect modes
  • Wide range of measurements such as effective and group index, group velocity, and dispersion
  • Equi-frequency plots for analysis of the entire Brillouin zone

Applications : 2D and 3D PC slab and waveguides, 2D and 3D cavity problems, Photonic crystal fibers, both band-gap guiding and conventional guiding, Defect modes of non-strictly periodic Structures, Metallic and anisotropic structures



ModePROP is an Eigenmode expansion propagation tool that accounts for both forward and backward propagation and radiation modes. It provides a rigorous steady-state solution to Maxwell’s equations that is based on the highly-stable Modal Transmission Line Theory. A full array of analysis and simulation features make this tool flexible and easy to use.

  • Full-vectorial analysis for both Cartesian and cylindrical (azimuthally symmetric) structures in 2D and 3D.
  • Modal Transmission Line (MTL) framework to ensure that the simulation is unconditionally stable.
  • Accounts for reflections

Applications : Waveguide/Fiber-based systems,Surface-normal grating couplers, Plasmonic devices, Sensors, Filters, Mode converters, Photonic bandgap, Computing coupling efficiency



DiffractMOD is a design and simulation tool for diffractive optical structures such as diffractive optical elements, subwavelength periodic structures, and photonic bandgap crystals. It is based on the Rigorous Coupled Wave Analysis (RCWA) technique that has been implemented using advanced algorithms including fast Fourier factorization and generalized transmission line formulation.

  • Full vector simulations for both 2D and 3D. Additionally, conical incidence is allowed.
  • An inverse rule is used to improve the convergence of TM fields. For 3D simulation, DiffractMOD can choose appropriate algorithms depending on structures.
  • Account for material dispersion and complex refractive index for metals.
  • Calculate, display, and output spectra of diffraction efficiency for any diffraction order.
  • Calculate total reflected power, transmitted power, and absorbed power.

Applications : Waveguide resonance gratings, Diffractive Optical Elements (DOEs), Surface relief and volume index gratings, Wavelength filters, Optical metrology, Nano-lithography, Polarization sensitive devices, Artificial dielectric coatings, Photovoltaic systems, 3D displays, Optical interconnections, Optical data storage, Spectroscopy.




GratingMOD is a general design tool for analyzing and synthesizing complicated grating profiles in optical fibers and integrated waveguide circuits for a wide variety of photonic applications. The software is based on the Coupled Mode Theory (CMT) algorithm for fast simulation as well as sophisticated multiple mode algorithms for advanced applications. GratingMOD also provides a general platform for simulation of various coupling mechanisms.

  • Bragg condition searching to find both the period from the specified modes and the modes from a specified period.
  • Sophisticated orthogonality relations for both lossless and lossy waveguide are included.
  • An arbitrary number of gratings at arbitrary positions in both 2D and 3D structures can be used to study coupling mechanisms.
  • Multi-mode grating systems can be analyzed via a multi-mode CMT implementation.

Applications : Dispersion compensation Fiber Bragg Grating, Multiplexing/Demultiplexing, Add/Drop filtering, Gain equalization in optical amplifiers, Grating assistd couplers, Long period grating sensors



FemSIM is a generalized mode solver based on the Finite Element Method (FEM) that can calculate any number of transverse or cavity modes of an arbitrary structure on a non-uniform mesh. FemSIM employs a full-vector implementation and has been enhanced with many features to compute complex modes. The tool is flexible and extendable to a wide range of problems such as high index contract, plasmonic, and photonic bandgap based waveguides.

  • Full-vector analysis for both Cartesian (1D, 2D) and cylindrical (azimuthally symmetric) structures..
  • Accommodates complex index for lossy materials and high index contrast profiles..
  • Robust meshing scheme which conforms to the index profile using hybrid triangular and rectangular mesh elements.

Applications : Structures with arbitrary profiles, including those with curved or uncommon shapes, Structures with high index contrast and/or small feature sizes, Air or solid core photonic fibers, Lossy structures, Silicon-based devices such as SOIs, Polarization rotators, Plasmonic waveguides, Laser and PBG defect cavities