Optical Communications

Multilevel Pulse Amplitude Modulation Transmissions for Data Center Applications.- Ultrafast Electro-Optical Switches Based on SOAs.- Coherent Optical Access Networks.- High-Capacity Unrepeatered Optical Transmission.- Impact of Nonlinear Effects and Mitigation on Coherent Optical Systems.- High-order Modulation Formats for Future Optical Communication Systems.- Soft-Decision Forward Error Correction in Optical Communications.- Challenges towards a cost-effective implementation of optical OFDM.- Narrow Linewidth and Compact External Cavity Lasers for Coherent Optical Communications.- Photonic Devices for Submarine Optical Amplifiers.- Optical Devices in Silicon Photonics.

Alberto Paradisi is the Vice President Research and Development at CPqD. He has vast R&D experience, coordination and management in Electrical Engineering, Innovation Management with special focus on Telecom Systems. His main activities are in the following areas: modeling and simulation of optical devices and sub-systems, data networks and traffic engineering, WDM (Wavelength Division Multiplexed) optical transmission systems, erbium-doped fiber amplification and Raman-type amplification, optical routing technology, performance monitoring of WDM optical networks, ASON/GMPLS control plans, digital processing of optical systems, passive optical networking, OTN networks and advanced Ethernet networks, protection and restoration of optical networks.

Andrea Chiuchiarelli is a senior researcher at CPqD, in the Division of Optical Technologies. His main areas of interest are Optical Communication Systems, Coherent Optical Technologies and High-Capacity Optical Data Center Interconnect.

Rafael Carvalho Figueiredo is a researcher at CPqD, in Optical Technologies Division. His current areas of interest include optical amplification, high-speed optical communications, optical switching, and semiconductor optical amplifiers.