Phase-insensitive All-optical Transistors based on Second-order Nonlinearities

S. Kim, Z. Wang, D. J. Hagan, E. W. Van Stryland, A. Kobyakov, F. Lederer and G. Assanto

IEEE J. Quantum Electron. 34, 666-672 (1998)


The authors describe how the phase-sensitive problem of optical transistors based on second order nonlinearities may be avoided using two type II SHG crystals. The first crystal couples the mutually incoherent signal and pump, and the second crystal amplifies this signal. All inputs and outputs may be at the same wavelenght.