Ehsan Rezagholizadeh Student (Ph.D.), GERAD share Polytechnique Montréal ehsanrezagholizadeh@gmail.com Office 4455 Education since Feb 2022 Ph.D. Polytechnique Montréal – Département de génie électrique, Brunilde Sansò, director Publications May 2025 Defragmentation-aware multilayer route and spectrum assignment in elastic optical network Ehsan Rezagholizadeh, Scott Kohlert, Raman Kashyap, and Brunilde Sansò To appear in: IEEE Transactions on Lightwave technologies, 2025 BibTeX reference Jan 2025 G-2025-03 Defragmentation-aware multilayer route and spectrum assignment in elastic optical network Ehsan Rezagholizadeh, Scott Kohlert, Raman Kashyap, and Brunilde Sansò Integrating Optical Transport Networks (OTNs) into multilayer Elastic Optical Networks (EONs) enhances data transmission efficiency but introduces significan... BibTeX reference