On going collaborations
Dr. M. Sorel from University of Glasgow (UK).
Long standing collaboration on silicon photonic devices and circuits
(EU projects FP6 SPLASH, PRIN Sapphire, FP7 BBOI)
Prof. H.-D. Wiemhöfer from University of Münster (DE).
Silicon photonic waveguides integrating unconventional materials and exploiting electrochemical effects (EU project FP7 BBOI)
Prof. M. Nazarathy from Israel Institute of Technology (Technion, Israel).
Development of control algorithm for photonic integrated circuits
(EU project FP7 BBOI).
Dr. 
F. Soares and N. Grote from Heinrich Hertz Institute (Berlin, DE).
Photonic design kits for InP photonic devices
(EU project FP7 PARADIGM).
Past collaborations
Prof. L. Kimerling and A. Agarwal from Massachussetts Institute of Technology (USA)
Exploiting material photosensitivity for optical waveguide trimming
(2010-2014)
Prof. I. Molina-Fernandez’s group from Universidad de Malaga (Spain)
Photonic integrated circuits in silicon photonics
(2012-2014)
Prof. P. Bassi from Università di Bologna (Italy)
Modelling and design of silicon photonic devices
(National Project SAPPHIRE, 2011-2014)
Prof. G. Bellanca from Università di Ferrara (Italy)
Nonlinear modelling of silicon photonic devices
(National Project SAPPHIRE, 2011-2014)
Prof. T. F. Krauss from University of St. Andrews (UK)
, now at University of York (UK)
Nonlinearities and backscattering in slow-light photonic crystal waveguides
(EU project FP6 SPLASH, 2007-2010)
Lionix BV (Enschede, NL)
Development of the Triplex waveguide concept (2004-2008).