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Personal profile

Research profile

Nicola Calabretta is an Assistant Professor in Electro-Optical Communication Systems and Senior Research Fellow at Eindhoven University of Technology (TU/e). His expertise is in telecommunications engineering, electrical engineering and optical engineering. Nicola’s research focuses on optical signal processing for highly spectral efficient multi-level modulation formats, high-speed electronics for processing of novel labeling techniques, FPGA implementation of scheduling algorithms for low latency control of large port optical switches, optical interconnects, photonic integrated wavelength selector with flexible bandwidth, photonic integrated optical switches and c optical nodes for metro networks. Applications of the group’s work on fast optical switches include performance enhancement for optical metro/access networks and data center networks.

Academic background

Nicola Calabretta received his PhD from TU/e in 2004 for his work in all-optical signal processing and optical packet switching. Prior to this, he studied Telecommunications Engineering at the Politecnico di Torino. Before joining the TU/e, he conducted research at DTU Fotonik, the Department of Photonics Engineering at the technical University of Denmark, where he worked on Radio-over-Fiber. He completed a postdoc at the Sant'Anna School of Advanced Studies (SSSA, Scuola Superiore di Studi Universitari e di Perfezionamento Sant'Anna) in Pisa, Italy, focusing on wavelength division multiplexing, passive optical network and optical transmission systems employing advanced modulation formats.

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van Hout, J., Tafur Monroy, I., Kurtic - Brajic, M., Kurtic - Brajic, M., Calabretta, N., Johannsen, U., Okonkwo, C. M., Heemstra de Groot, S. M., Dubbelman, G., Patterson, D., Rommel, S., Cimoli, B., den Ouden, J., Sanders, R., Barros Carvalho, J. & Meyer, E.


Project: Research direct


Calabretta, N., Raz, O., Stabile, R., Tessema, N. M. & Li, C.


Project: Research direct


Calabretta, N., Prifti, K. & Exarchakos, G.


Project: Research direct

Research Output

Deep neural network through an InP SOA-based photonic integrated cross-connect

Shi, B., Calabretta, N. & Stabile, R., 1 Jan 2020, In : IEEE Journal of Selected Topics in Quantum Electronics. 26, 1, 11 p., 8859353.

Research output: Contribution to journalArticleAcademicpeer-review

  • 3 Citations (Scopus)
    2 Downloads (Pure)

    Lossless photonic integrated add-drop switch node for metro-access networks

    Prifti, K., Xue, X., Tessema, N., Stabile, R. & Calabretta, N., 1 Apr 2020, In : IEEE Photonics Technology Letters. 32, 7, p. 387-390 4 p., 9007400.

    Research output: Contribution to journalArticleAcademicpeer-review

  • 1 Downloads (Pure)

    Nanoseconds photonic integrated switches for optical data center interconnect systems

    Calabretta, N., Prifti, K., Xue, X., Yan, F., Pan, B. & Guo, X., 28 Feb 2020, Optical Interconnects XX. Schroder, H. & Chen, R. T. (eds.). SPIE, 11 p. 1128605. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11286).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

  • 2 Downloads (Pure)

    Numerical simulation of an InP photonic integrated cross-connect for deep neural networks on chip

    Shi, B., Calabretta, N. & Stabile, R., 9 Jan 2020, In : Applied Sciences. 10, 2, 15 p., 474.

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
  • 1 Citation (Scopus)
    5 Downloads (Pure)

    SDN-controlled and orchestrated OPSquare DCN enabling automatic network slicing with differentiated QoS provisioning

    Xue, X., Wang, F., Agraz, F., Pagès, A., Pan, B., Yan, F., Guo, X., Spadaro, S. & Calabretta, N., 15 Mar 2020, In : Journal of Lightwave Technology. 38, 6, p. 1103-1112 10 p., 8955836.

    Research output: Contribution to journalArticleAcademicpeer-review

  • 1 Citation (Scopus)


    • 1 Contributed talk

    5th International Symposium on Ultrafast Photonic Technologies (ISUPT2011), 15-16 Septmber 2011, Berlin

    Nicola Calabretta (Speaker)
    15 Sep 2011

    Activity: Talk or presentation typesContributed talkScientific


    Additional assignment

    1/09/94 → …