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Home » Thiago Raddo, as first co-tutelle between VUB B-PHOT and University of São Paulo, successfully defended his PhD work tackling next generation optical networks

Thiago Raddo, as first co-tutelle between VUB B-PHOT and University of São Paulo, successfully defended his PhD work tackling next generation optical networks

September 28, 2017 at 14:23

Thanks to recent progress, Fiber-To-The-Home (FTTH) is becoming the norm in many countries, and the significant increase of bandwidth allows the emergence of new services and technologies. Tactile internet, telemedicine and real-time 3-D content generation are now realistic and probably represent the onset of the next wave of innovation.

Nevertheless, to support such an unprecedented and insatiable demand of data traffic, higher security, flexible bandwidth allocation and cost-efficiency have become crucial requirements for technologies candidate for next generation optical access networks.

In the frame of a co-tutelle between VUB B-PHOT and University of São Paolo (USP), Thiago Raddo has recently presented his doctoral thesis with highest honors, shaping the future optical network. 

He developed at USP new networking solutions based on Optical Code Division Multiple Access (OCDMA) to employ network resources in a flexible way. The new mathematical formalisms allow to assess the performance of flexible OCDMA networks capable of providing multiservice and multirate transmissions. His work therefore significantly simplified the arduous task of dimensioning flexible networks.  At VUB, Thiago focused on security issues and proposed an innovative approach to generate chaos from a solitary laser diode. Simply using mechanical strain, he showed that standard Vertical-Cavity Surface-Emitting Lasers (VCSELs) can generate chaotic polarization fluctuations.

The simplicity of the approach makes optical chaos widely accessible in a compact and efficient system, hence paving the way toward new security platforms in optical access networks and for a large variety of chaos-based solutions such as cryptography and large-scale quantum networks.

Read more on his research here  

 

 

 

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