Nonlinear optical signal processing device

摘要

2.1 The object of the invention is to implement an optical signal processing device for influencing the parameter, mostly the phase, of an optical sample signal (PR) by means of an optical pumping signal (PU). Said processing device is independent of the polarisation of the optical pumping signal and based on a non-linear effect dependent on polarisation, mostly the Kerr effect. In addition, it has a time control window which is independent of the polarisation of the pumping signal (PU). 2.2 For this purpose, a sample signal (PR) and a pumping signal (PU) are fed into a pumping signal addition stage (K). The coupling of the pumping signal (PU) through the pumping signal addition stage (K) to the non-linear medium (NL) is configured as a function of polarisation in such a way that it compensates the polarisation dependence of the non-linear effect. 2.3 for optical switches, demultiplexers or signal regenerators.