1. Department of Electrical and Computer Engineering University of California, Los Angeles Los Angeles CA 90095 USA
2. Department of Physics and Astronomy University of California, Irvine Irvine CA 92697 USA
3. Theiss Research Inc. La Jolla CA 92037 USA
4. Materials Science and Engineering Division National Institute of Standards and Technology (NIST) Gaithersburg MD 20899 USA
5. Fibertek Inc. Herndon VA 20171 USA
6. US Army Research Laboratory Adelphi MD 20783 USA
7. US Army Research Laboratory Playa Vista CA 90094 USA