Optical signal processing

Increase in baud rates result in a corresponding overhead in the digital signal processing domain. An alternate approach is to use nonlinear effects in compact highly nonlinear media to augment the signal processing functionalities in the optical domain. All-optical logic gates, wavelength conversion and optical clock recovery has already been demonstrated in the past, for advanced modulation format. The current work is on phase conjugation, phase quantization and photonic analog to digital conversion