Thanks, I will take it. Kazuhiko ------- Kazuhiko Yamanaka Harris Group, Solid State & Photonics Lab, Center for Integrated Systems, Stanford University CIS-X Rm 126X, Stanford, CA 94305-4075 Tel : (650)725-6909 Fax: (650)723-4659 E-mail : yamanaka at snowmass.stanford.edu