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Version Launch Update -- OptiFDTD V-13...

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Version Launch Update -- OptiFDTD V-13


 NEW FEATURE Upgraded Mode Solvers

This release includes the latest version of the Optiwave mode solver application,OptiMode 4.0, which delivers the 64-bit Anisotropic Mode Solver and new Mode Measure calculations. For more details on OptiMode 4.0 see the “OptiMode Release Notes” document.



NEW FEATURES Detector Analysis


The Detector Analysis tools have been redesigned to simplify and make access to detector data more convenient. You can now easily browse the Detectors within the project browser tree, view the graph or optical field for the selected detector in the application main window and have an overview of the related key data in the information pane, in which the user may observe parameter values (if any) associated with the project, e.g. parameter sweep. We have also added a number of toolbars which provide fast access to the menu options to control the displayed information.


Note: To help with the transition from the old UI to the new one, we still keep available the old “Detector Analysis” interface under Tools menu item.


For an overview on how to use the new detector analysis features please see theOptiFDTD Getting Started Guide


OptiFDTD 13 Fig 1

Fig 1: New OptiFDTD Analyzer View



OptiFDTD 13 Fig 2

Fig 2: Example view for Observation Points (Frequency domain)



OptiFDTD 13 Fig 3

Fig 3: Example view for Observation Areas




NEW FEATURE Import of 3D shapes into the Designer


With the introduction of this feature, users are no longer confined to using the OptiFDTD built-in 3D Editor. Designers can now use third party 3D CAD software of their choice, export the designed shapes into the generic (IGES) 3D file format, import it into OptiFDTD Designer and then configure these for simulations. You can develop a number of independent, stand-alone objects, even a full layout, and import it into the Designer for simulations.


For details on how to import a 3D object please see Design Tutor/Import of 3D shapes into the Designer for OptiFDTD Designer


OptiFDTD 13 Fig 4

Fig 4: New Import 3D shapes feature – In this example a truncated pyramid (with round top) object has been imported into the 3D Editor of OptiFDTD Designer. The IGS file for this 3D object can be found in the OptiFDTD 13 Samples3D_samples3D_shapes folder.




NEW FEATURE Dynamic optical field visualization during simulations


Typically, the FDTD simulations are like a “black box”, once started the user has to wait until the simulation completes to observe the simulation progress (e.g. movie) or the simulation results. With this release we have enabled the user to observe in real time the optical field formation during the simulations. You can choose to visualize optical field propagation within the Observation Areas and/or dynamically selected cuts across the simulation domain.


For more information on how to use this feature please see Design Tutor/Simulate forOptiFDTD Designer.


OptiFDTD 13 Fig 5

Fig 5: New Runtime Field View feature – This new feature can be accessed (from the Simulation progress window) at any time after the simulation starts.



OptiFDTD 13 Fig 6

Fig 6: Example view for Observation Areas – This example shows the progress of the Ey field propagation (pulsed excitation) as it travels through a ring resonator structure.



OptiFDTD 13 Fig 7

Fig 7: Example view for Observation Areas – This example shows the same ring design but with the Height plot feature enabled.





NEW FEATURE Shape cross-section outline over the optical field view


In the Observation Area optical field view of the OptiFDTD Analyzer, the user may choose to display an outline overlay of the 3-dimensional shapes intersecting the Observation Area. This great visualization tool allows designers to observe the relation between the Layout shapes and formation of the optical field.


OptiFDTD 13 Fig 8

Fig 8: Example view of waveguide outline overlay for a ring resonator design – The waveguide contours can be seen as black lines.



NEW FEATURE Simplified Waveguide Profile and Material management


We have removed the strong dependency on the old master.plb file, the former database of Waveguide Profiles and Materials. We have provided import/export functionality supported by the XML-based file format. The user may now import into a project (or export from it) a Profile and/or Material definition into an independent (XML) file. This allows materials and waveguide cross-sections to be easily defined and shared.


Note: Access to master.plb is still available, so that users may export their Profiles and Materials. The support for master.plb will be phased out, eventually.


For an overview on how to use the new waveguide profile and material management features please see the Design Tutor for Profile Designer OptiFDTD.


OptiFDTD 13 Fig 9

Fig 9: Example of how to import a material from the OptiMaterialLibary into a design project (1)



OptiFDTD 13 Fig 10

Fig 10: Example of how to import a material from the OptiMaterialLibary into a design project (2)




NEW FEATURE OptiMode XS Designer and Profile Designer Tutor pages


To make it easier for the users to find information on how to quickly setup materials and profiles and to find modes for their designs, we have extended the Design Tutor feature (which currently is supported with OptiFDTD Designer) to include OptiMode XS Designer and Profile Designer OptiFDTD. The Design Tutor describes basic constructs and operational concepts for these applications.


OptiFDTD 13 Fig 11

Fig 11: How to access the Design Tutor feature for Profile Designer OptiFDTD



OptiFDTD 13 Fig 12

Fig 12: Example view of Design Tutor feature for the Profile Designer
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