Author Affiliations

D.J. Ripin,^#,$ Kuo-Yi Urn,^#,* G.S. Petrich,^#,* Pierre R. Villeneuve,^# Shanhui Fan,^# E.R. Thoen,^#,* J. D. Joannopoulos,^# E.P. Ippen,^#,** and L.A. Kolodziejski^#,*

^#Department of Physics, Room 36-315, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA

^*Department of Electrical Engineering and Computer Science Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 USA

^**Also with Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics

^$ djripin@mit.edu