Lesson 5: Wavelength Scripting with VB Script
Defining Materials
To define the materials for the waveguide, perform the following procedure. Step Action 1 Create the following dielectric material: Name: cladding Refractive index (Re:): 1.442 2 To save the material, click Store. 3 Create a second dielectric material: Name: guide Refractive index (Re:): 1.45 4 To save the material, click Store. 5 Create the following…
Defining Layout Settings
To define the layout settings, perform the following action. Action • Type the following settings.a. Waveguide Properties: Width: 4 Profile: channel b. Wafer Dimensions: Length: 1200 Width: 34 c. 2D Wafer Properties: Material: cladding Creating the waveguides To create the waveguides, perform the following procedure. Step Action 1 Draw and edit the first waveguide.a. …
Modifying the Input Plane
To modify the input plane, perform the following procedure. Step Action 1 Double-click the input plane. The Input Plane dialog box appears. 2 Type the following value: Offset: 2.000000 3 Click the Input Fields 2D tab. 4 Click Edit. The Input Field dialog box appears. 5 In the window under Waveguides, select the second check…
Assigning Paths to the Waveguides
To assign paths to the waveguides, perform the following procedure. Step Action 1 From the Edit menu, select Edit Mode > Monitor Paths. The Path Monitor dialog box appears (see Figure 3). Figure 3: Path Monitor dialog box 2 Click New. The buttons in the dialog box change (see Figure 4) and the cursor changes into…
Running the Simulation
To run the simulation, perform the following procedure. Step Action 1 From the Simulation menu, select Additional Output Data. The Additional Output Data dialog box appears. 2 Click the 2D tab. 3 Select the Power Overlap Integral check box. The Normalization and Overlap Integral With are selected automatically. 4 Select the Power In Output Waveguides…
Viewing Results in the BPM Designer
To view the simulation results, perform the following procedure. Step Action 1 In OptiBPM_Simulator, to view the optical field results, click the Optical Field tab, and click the Image Map button . Figure 10: Optical Field — First result 2 To select the Path Monitor view, click the Path Monitor tab (see Figure 11). Figure 11:…
Using VB Scripting for the Simulation
To use VB Scripting for the simulation, perform the following procedure. Step Action 1 At the bottom of the layout window, click the Scripting tab. 2 Type the following short script (see Figure 12):Const NumIterations = 3 lambda = 1.55 For x=1 to NumIterations ParamMGR.SetParam “wavelength”, CStr(lambda) ParamMGR.Simulate WGMgr.Sleep(50) lambda = lambda – 0.15 Next…
Viewing Results in the BPM Analyzer
To view the simulation results for the field distribution and path monitor in OptiBPM_Analyzer, perform the following procedure. Step Action 1 In the Iteration list, click Iteration 1. 2 To view the propagation optical field for Iteration 1, in the OptiBPM_Analyzer directory, under Propagation Optical Field, click XZ Slice (see Figure 15). Note: To view the…
