External modulation is accomplished in a dual waveguide device wherein substantially identical input optical beams are supplied to the waveguides and wherein each waveguide through its electrode is subject to individual, mutually exclusive control. Modulation signals are applied to each waveguide via...http://www.google.fr/patents/US5303079?utm_source=gb-gplus-shareBrevet US5303079 - Tunable chirp, lightwave modulator for dispersion compensation
Tunable chirp, lightwave modulator for dispersion compensation
