Dear Steven, My calculation is the transmission of the PC slabs (waveguide-cavity system). The cavity is located beside the waveguide. According to the MEEP material and your suggestion, I define the Gaussian source in exactly the same way (2D PC case) except that my source lies in the z=0 plane. The region centered at z=0 with a thickness similar to the slab thickness. The source have the center frequency (fcen) and the width (df). The frequency of this source is a single mode waveguide, and the resonant mode of the cavity is inside this frequency range. The flux region is a plane (big enough) to catch all of the energy propagating in the waveguide mode. I split my job into 2 steps: First, I calculate the transmission in straight waveguide, and second with resonator. I have checked my data of the second step file (with resonator), I am suprised that the resonator do not couple the modes. I don't know why it is? Could you help me?
Best regards, Chad Huskow ____________________________________________________________________________________ Expecting? Get great news right away with email Auto-Check. Try the Yahoo! Mail Beta. http://advision.webevents.yahoo.com/mailbeta/newmail_tools.html
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