Version 0.2.5

* add_index_region, add_field_region, add_mesh_region can be defined by z_min&z_max.
* Support Fundamental TE mode for add_mode_expansion in fdtdapi.
* Fix a bug for get_transmission error.

README.md

@@ -145,4 +145,11 @@ A polarization beam splitter inverse design example can be found [here](https://
 * Anti-Symmetry boundary condition choice for FDTD simulation region.
 * Fix bugs for material definition with float type parameters.
 * Fix bugs for putting round on Lumerical CAD.
-* Support fundamental TE mode for add_mode_source in fdtdapi.
+* Support fundamental TE mode for add_mode_source in fdtdapi.
+
+
+### Version 0.2.5 (Nov 26, 2021)
+
+* add_index_region, add_field_region, add_mesh_region can be defined by z_min&z_max.
+* Support Fundamental TE mode for add_mode_expansion in fdtdapi.
+* Fix a bug for get_transmission error.

README.rst

@@ -164,6 +164,13 @@ Version 0.2.4 (Nov 13, 2021)
 -  Support fundamental TE mode for add_mode_source in fdtdapi.
 
 
+Version 0.2.5 (Nov 26, 2021)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+-  add_index_region, add_field_region, add_mesh_region can be defined by z_min&z_max.
+-  Support Fundamental TE mode for add_mode_expansion in fdtdapi.
+-  Fix a bug for get_transmission error.
+
 
 .. |GitHub repository| image:: https://img.shields.io/badge/github-SPLayout-blue
    :target: https://github.com/Hideousmon/SPLayout

splayout/__init__.py

@@ -1,4 +1,4 @@
-__version__ = "0.2.4"
+__version__ = "0.2.5"
 
 from splayout.AEMDgrating import MAKE_AEMD_GRATING
 from splayout.bend import Bend

splayout/fdtdapi.py

@@ -136,8 +136,12 @@ def add_mode_expansion(self,position, mode_list, width=2, height=0.8, expansion_
         self.fdtd.eval("set(\"z\",0);")
         self.fdtd.eval("set(\"z span\"," + str(height) + "e-6);")
         self.fdtd.eval("setexpansion(\"Output\",\""+power_monitor_name+"\");")
-        self.fdtd.eval("set(\"mode selection\",\"user select\");")
-        self.fdtd.eval("set(\"selected mode numbers\","+self.str_list(mode_list)+");")
+        if (type(mode_list) == str):
+            self.fdtd.eval("set(\"mode selection\",\""+mode_list+"\");")
+        else:
+            self.fdtd.eval("set(\"mode selection\",\"user select\");")
+            self.fdtd.eval("set(\"selected mode numbers\"," + self.str_list(mode_list) + ");")
+
         if (update_mode):
             self.fdtd.updatemodes()
         self.fdtd.eval("set(\"override global monitor settings\",0);")
@@ -244,7 +248,7 @@ def reset_source_mode(self, source_name,mode_number):
 
 
 
-    def add_fdtd_region(self,bottom_left_corner_point,top_right_corner_point,simulation_time=5000,background_index=1.444,mesh_order =2,dimension=3,height = 1,z_symmetric = 0, y_antisymmetric = 0, pml_layers = 8):
+    def add_fdtd_region(self,bottom_left_corner_point,top_right_corner_point,simulation_time=5000,background_index=1.444,mesh_order =2,dimension=3,height = 1, z_symmetric = 0, y_antisymmetric = 0, pml_layers = 8):
         """
         Add simulation region in Lumerical FDTD.
 
@@ -290,7 +294,7 @@ def add_fdtd_region(self,bottom_left_corner_point,top_right_corner_point,simulat
             self.fdtd.eval("set(\"y min bc\", \"Anti-Symmetric\");")
             self.fdtd.eval("set(\"force symmetric y mesh\", 1);")
 
-    def add_index_region(self, bottom_left_corner_point, top_right_corner_point, height = 1, index_monitor_name="index",dimension = 2):
+    def add_index_region(self, bottom_left_corner_point, top_right_corner_point, height = 1, z_min = None, z_max = None, index_monitor_name="index",dimension = 2):
         """
         Add index monitor (x-y plane) in Lumerical FDTD.
 
@@ -322,7 +326,11 @@ def add_index_region(self, bottom_left_corner_point, top_right_corner_point, hei
             self.fdtd.eval("set(\"monitor type\",3);")
         elif (dimension == 3):
             self.fdtd.eval("set(\"monitor type\",4);")
-            self.fdtd.eval("set(\"z span\"," + str(height) + "e-6);")
+            if (type(z_min) != type(None) and type(z_max) != type(None)):
+                self.fdtd.eval("set(\"z min\"," + str(z_min) + "e-6);")
+                self.fdtd.eval("set(\"z max\"," + str(z_max) + "e-6);")
+            else:
+                self.fdtd.eval("set(\"z span\"," + str(height) + "e-6);")
         else:
             raise Exception("Wrong dimension for index region!")
         self.fdtd.eval("set(\"override global monitor settings\",1);")
@@ -331,7 +339,7 @@ def add_index_region(self, bottom_left_corner_point, top_right_corner_point, hei
         self.fdtd.eval("set(\"spatial interpolation\",\"none\");")
 
 
-    def add_field_region(self, bottom_left_corner_point, top_right_corner_point, height = 1, field_monitor_name="field",dimension = 2):
+    def add_field_region(self, bottom_left_corner_point, top_right_corner_point, height = 1, z_min = None, z_max = None, field_monitor_name="field",dimension = 2):
         """
         Add field monitor (x-y plane) in Lumerical FDTD (DFT Frequency monitor).
 
@@ -358,7 +366,11 @@ def add_field_region(self, bottom_left_corner_point, top_right_corner_point, hei
             self.fdtd.eval("set(\"monitor type\",7);")
         elif (dimension == 3):
             self.fdtd.eval("set(\"monitor type\",8);")
-            self.fdtd.eval("set(\"z span\"," + str(height) + "e-6);")
+            if (type(z_min) != type(None) and type(z_max) != type(None)):
+                self.fdtd.eval("set(\"z min\"," + str(z_min) + "e-6);")
+                self.fdtd.eval("set(\"z max\"," + str(z_max) + "e-6);")
+            else:
+                self.fdtd.eval("set(\"z span\"," + str(height) + "e-6);")
         else:
             raise Exception("Wrong dimension for index region!")
         self.fdtd.eval("set(\"x\"," + str(position.x) + "e-6);")
@@ -369,7 +381,7 @@ def add_field_region(self, bottom_left_corner_point, top_right_corner_point, hei
         self.fdtd.eval("set(\"override global monitor settings\",0);")
         self.fdtd.eval("set(\"spatial interpolation\",\"none\");")
 
-    def add_mesh_region(self,bottom_left_corner_point,top_right_corner_point,x_mesh,y_mesh,z_mesh = 0.0025,height = 1):
+    def add_mesh_region(self,bottom_left_corner_point,top_right_corner_point,x_mesh,y_mesh,z_mesh = 0.0025,height = 1, z_min = None, z_max = None):
         """
         Reset the mesh grid in Lumerical FDTD.
 
@@ -397,7 +409,11 @@ def add_mesh_region(self,bottom_left_corner_point,top_right_corner_point,x_mesh,
         self.fdtd.eval("set(\"y\"," + str(position.y) + "e-6);")
         self.fdtd.eval("set(\"y span\"," + str(y_span) + "e-6);")
         self.fdtd.eval("set(\"z\",0);")
-        self.fdtd.eval("set(\"z span\"," + str(height) + "e-6);")
+        if (type(z_min) != type(None) and type(z_max) != type(None)):
+            self.fdtd.eval("set(\"z min\"," + str(z_min) + "e-6);")
+            self.fdtd.eval("set(\"z max\"," + str(z_max) + "e-6);")
+        else:
+            self.fdtd.eval("set(\"z span\"," + str(height) + "e-6);")
         self.fdtd.eval("set(\"dx\"," + str(x_mesh) + "e-6);")
         self.fdtd.eval("set(\"dy\"," + str(y_mesh) + "e-6);")
         self.fdtd.eval("set(\"dz\"," + str(z_mesh) + "e-6);")
@@ -449,7 +465,7 @@ def get_transmission(self,monitor_name,datafile = None):
         transmission = data["T"]
         spectrum = np.zeros((2,data["T"].shape[0]))
         spectrum[0,:] = wavelength.flatten()
-        spectrum[1,:] = transmission.flatten
+        spectrum[1,:] = transmission.flatten()
         if (datafile != None):
             np.save(datafile,spectrum)
         return spectrum

splayout/modeapi.py

@@ -891,7 +891,7 @@ def get_E_distribution(self, field_monitor_name = "field", data_name = "field_da
         else:
             return field['E']
 
-    def add_index_region(self, bottom_left_corner_point, top_right_corner_point, height = 1, index_monitor_name="index",dimension = 2):
+    def add_index_region(self, bottom_left_corner_point, top_right_corner_point, height = 1, z_min = None, z_max = None, index_monitor_name="index",dimension = 2):
         """
         Add index monitor (x-y plane) in Lumerical MODE.
 
@@ -923,7 +923,11 @@ def add_index_region(self, bottom_left_corner_point, top_right_corner_point, hei
             self.mode.eval("set(\"monitor type\",3);")
         elif (dimension == 3):
             self.mode.eval("set(\"monitor type\",4);")
-            self.mode.eval("set(\"z span\"," + str(height) + "e-6);")
+            if (type(z_min) != type(None) and type(z_max) != type(None)):
+                self.mode.eval("set(\"z min\"," + str(z_min) + "e-6);")
+                self.mode.eval("set(\"z max\"," + str(z_max) + "e-6);")
+            else:
+                self.mode.eval("set(\"z span\"," + str(height) + "e-6);")
         else:
             raise Exception("Wrong dimension for index region!")
         self.mode.eval("set(\"use wavelength spacing\",1);")
@@ -932,7 +936,7 @@ def add_index_region(self, bottom_left_corner_point, top_right_corner_point, hei
         self.mode.eval("set(\"record conformal mesh when possible\",1);")
         self.mode.eval("set(\"spatial interpolation\",\"none\");")
 
-    def add_field_region(self, bottom_left_corner_point, top_right_corner_point, height = 1, field_monitor_name="field",dimension = 2):
+    def add_field_region(self, bottom_left_corner_point, top_right_corner_point, height = 1, z_min = None, z_max = None, field_monitor_name="field",dimension = 2):
         """
         Add field monitor (x-y plane) in Lumerical MODE (DFT Frequency monitor).
 
@@ -964,7 +968,11 @@ def add_field_region(self, bottom_left_corner_point, top_right_corner_point, hei
             self.mode.eval("set(\"monitor type\",7);")
         elif (dimension == 3):
             self.mode.eval("set(\"monitor type\",8);")
-            self.mode.eval("set(\"z span\"," + str(height) + "e-6);")
+            if (type(z_min) != type(None) and type(z_max) != type(None)):
+                self.mode.eval("set(\"z min\"," + str(z_min) + "e-6);")
+                self.mode.eval("set(\"z max\"," + str(z_max) + "e-6);")
+            else:
+                self.mode.eval("set(\"z span\"," + str(height) + "e-6);")
         else:
             raise Exception("Wrong dimension for index region!")
         self.mode.eval("set(\"override global monitor settings\",0);")