diff --git a/klayout_dot_config/tech/EBeam/DFT.xml b/klayout_dot_config/tech/EBeam/DFT.xml
index 8f6e3b60..20013a89 100644
--- a/klayout_dot_config/tech/EBeam/DFT.xml
+++ b/klayout_dot_config/tech/EBeam/DFT.xml
@@ -19,13 +19,27 @@
 		<wavelength-start>1500</wavelength-start>
 		<wavelength-stop>1600</wavelength-stop>
 		<wavelength-points>3000</wavelength-points>
-		<polarization>TE, TM</polarization>
+		<polarization>TE</polarization>
+	</tunable-laser>
+	<tunable-laser>
+		<wavelength>1550</wavelength>
+		<wavelength-start>1500</wavelength-start>
+		<wavelength-stop>1600</wavelength-stop>
+		<wavelength-points>3000</wavelength-points>
+		<polarization>TM</polarization>
+	</tunable-laser>
+	<tunable-laser>
+		<wavelength>1310</wavelength>
+		<wavelength-start>1260</wavelength-start>
+		<wavelength-stop>1360</wavelength-stop>
+		<wavelength-points>3000</wavelength-points>
+		<polarization>TE</polarization>
 	</tunable-laser>
 	<tunable-laser>
 		<wavelength>1310</wavelength>
-		<wavelength-start>1240</wavelength-start>
+		<wavelength-start>1260</wavelength-start>
 		<wavelength-stop>1360</wavelength-stop>
 		<wavelength-points>3000</wavelength-points>
-		<polarization>TE, TM</polarization>
+		<polarization>TM</polarization>
 	</tunable-laser>
 </design-for-test>
diff --git a/klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library.lym b/klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library.lym
index 4deb0aec..77ecbe7a 100644
--- a/klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library.lym
+++ b/klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library.lym
@@ -157,7 +157,7 @@ class SiEPIC_EBeam_Library(Library):
     print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.39, Components with models"
+    self.description = "v0.3.40, Components with models"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os
diff --git a/klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym b/klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym
index 4eebf58d..de613098 100644
--- a/klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym
+++ b/klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym
@@ -178,7 +178,7 @@ class SiEPIC_EBeam_Library_Beta(Library):
     print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.39, Beta components"
+    self.description = "v0.3.40, Beta components"
 
     # Save the path, used for loading WAVEGUIDES.XML
     import os