diff --git a/simphony/simulation.py b/simphony/simulation.py
index a8599209..c468f046 100644
--- a/simphony/simulation.py
+++ b/simphony/simulation.py
@@ -240,4 +240,18 @@ def plot(self, output_port):
     def get_magnitude_by_frequency_thz(self, output_port):
         freq = np.divide(self.frequency, MathPrefixes.TERA)
         mag = np.power(np.absolute(self.simulated_matrix[:, output_port]), 2)
-        return freq, mag
\ No newline at end of file
+        return freq, mag
+
+    def get_magnitude_by_wavelength_nm(self, output_port):
+        wl = self.frequencyToWavelength(self.frequency) / MathPrefixes.NANO
+        mag = np.power(np.absolute(self.simulated_matrix[:, output_port]), 2)
+        return wl, mag
+
+    def export_s_matrix(self):
+        """Returns the matrix result of the multi-input simulation.
+
+        Returns
+        -------
+        frequency, matrix: np.array, np.ndarray
+        """
+        return self.frequency, self.simulated_matrix
\ No newline at end of file