1. Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona
2. Silicon Photonics Group, Inc., Gilbert, Arizona 85233
3. Department of Physics, Arizona State University, Tempe Arizona 85287
4. U.S. Army RDECOM, CERDEC Night Vision and Electronic Sensors Directorate, Fort Belvoir, Virginia 22060
5. Research Center for Integrated Quantum Electronics, Hokkaido University, Sapporo, 060-8628, Japan