1. Department of Materials Science and Engineering, University of California—Los Angeles, Los Angeles, California 90095, Department of Advanced Fiber Engineering, Inha University, Yonghyun-dong 253, Incheon 402-751, Korea, Technology and Applications Center, Newport Corporation, 1791 Deere Ave, Irvine, California 92606, and Solarmer Energy, Inc., El Monte, California 91731