Patent ID: 7126731
Filing Date: 2006-10-24
Classification: G02F,H01S

Abstract:
1. An optical latch, comprising: a “SET” input and a “RESET” input, the optical latch being configured to achieve at least one stable state in response to the input of predetermined signals to, respectively, the “SET” input and the “RESET” input; a first output and a second output; and first and second lasing semiconductor optical amplifiers (LSOAs), each of the first and second LSOAs having an input configured to receive optical signals and a laser output configured to output a laser output optical signal in response to a received optical signal, the input of the first LSOA being connected to the “SET” input and to the laser output of the second LSOA, the input of the second LSOA being connected to the “RESET” input and to the laser output of the first LSOA, the laser output of the first LSOA being connected to the first output, and the laser output of the second LSOA being connected to the second output.