1 School of Electrical and Computer Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, IN.
2 Shanghai Institute of Microsystem and Information Technology, Shanghai, China.
3 School of Electrical and Computer Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, IN; Shanghai Institute of Microsystem and Information Technology, Shanghai, China.
We demonstrate an all-optical transistor with the modulated output signal simultaneously having an output/input ratio > 3 dB and ON/OFF ratio > 20 dB. The microring based device is ultra-compact and CMOS compatible.