Patent ID: 7720391
Filing Date: 2010-05-18
Classification: H04B

Abstract:
1. A system for generating an optical return-to-zero signal, the system comprising: a bit separator configured to receive an electrical non-return-to-zero signal and generate a first signal and a second signal; a driver configured to receive the first signal and the second signal and generate a driving signal, the driving signal being associated with a difference between the first signal and the second signal; a light source configured to generate a light; an electro-optical modulator configured to receive the light and the driving signal, modulate the light with the driving signal, and generate an optical signal; wherein: the electrical non-return-to-zero signal includes a first plurality of bits and a second plurality of bits; the first signal includes the first plurality of bits; the second signal includes the second plurality of bits; the optical signal is an optical return-to-zero signal.