Multi-wavelength light source apparatus

摘要

A pulse sequence is configured by making a pulse waveform output from a pulse light source (20) into a super Gaussian pulse of the third order or higher, and input to a spectrum expanding device (21). The spectrum expanding device (21) broadens the spectrum of the pulse sequence with a nonlinear medium. A modulator array (22) extracts longitudinal mode components from the expanded spectrum, andmodulates the extracted longitudinal mode components withmodulationdata. Lastly, themodulated longitudinal mode components are coupled and transmitted to a transmission line.