Free-space supercontinuum coherence data packets multiplexing and demultiplexing for ultrafast laser communication

The multiplexing and ultrafast multichannel spatially-resolved demultiplexing of supercontinuum (SC) coherence data packets using a coherent time-to-space conversion is proposed as a novel approach for free-space ultrafast laser communication. The femtosecond coherence time of spectrally extended SC pulses is used on the femtosecond time scale without the need for femtosecond pulses. The proposed scheme for data packets coherence multiplexing and demultiplexing is experimentally demonstrated. This SC approach has the capability of processing multigigabits per second information for free-space laser communication applications.