On the spectral radius of a directed graph. - Jaroslaw Kwapisz (J. Graph Theory, 1996)

Nonlinear GN model for coherent optical communications systems with hybrid fiber spans. - Ioannis Roudas; Xin Jiang; Jaroslaw Kwapisz (WOCC, 2020)

Mode Vector Modulation. - Ioannis Roudas; Jaroslaw Kwapisz; Eric Fink (ECOC, 2021)

Revisiting the nonlinear Gaussian noise model for hybrid fiber spans. - Ioannis Roudas; Jaroslaw Kwapisz; Xin Jiang (Intell. Converged Networks, 2021)

Mode Vector Modulation: A review. - Ioannis Roudas; Jaroslaw Kwapisz; Eric Fink (ICTON, 2023)

Mode Vector Modulation: Optimal Signal Sets With Geometric Shaping. - Ioannis Roudas; Eric Fink; Jaroslaw Kwapisz (OFC, 2023)

Mode Vector Modulation: A Multidimensional Stokes Vector Modulation for Multimode Links. - X. Jiang; Ioannis Roudas; Jaroslaw Kwapisz; M. Feuer; A. Biswas; A. Brisson; Eric Fink (WOCC, 2024)