Optical signal transmission device, has pulse widening module with linear and dispersive propagation mediums whose cumulative chromatic dispersion is high to reduce crest power of pulse to predetermined threshold

摘要

The device has a pulse widening module (14) placed between a pulse transmitter (10) and a fiber (12). The module has linear and dispersive propagation mediums, whose cumulative chromatic dispersion is high to reduce crest power of the pulse to a predetermined threshold. An amplification module (16) arranged along the fiber has a compensation module (20) to compensate dispersion. An independent claim is also included for a method for transmission of a signal through an optical data transmission network.