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Sébastien Loranger
Bacc. (Poly), M. Sc. A. (Poly), Ph.D. (Poly)

Research interests and affiliations

Research interests
  • Optical fiber components and lasers
  • Optoelectronics and nonlinear optics
  • Development of optical sensors and optical fiber sensors
  • Distributed sensing system optimisation and application
  • Bragg gratings and photonic crystals
  • Waveguide and microstructure laser writing
  • Integrated photonics: integration of optical frequencies and THz in single platforms
  • THz photonic crystals
  • Application of photonic technologies (ex: LIDAR).
Expertise type(s) (NSERC subjects)
  • 2011 Optical materials
  • 2502 Electromagnetics, compatibility and interference
  • 2505 Photonic devices and networks
  • 2507 Communications systems
  • 3110 Optics (see also photon devices 2505)
  • 3111 Lasers
  • 3112 Photonics
  • 3306 Optical properties


Sébastien Loranger graduated from his PhD at Polytechnique Montréal in Engineering Physics. He then did a post-doctoral fellowship at the renowned Max-Planck Institute in Erlangan, Germany, after which he went to acquire some industrial experience as a R&D researcher at Photonova Inc. and ITF Technologies before joining Polytechnique as a professor.


  • ELE3500 : Electromagnetic waves
  • ELE8508 : Fundamental concepts in photonics


Supervision at Polytechnique


  • Ph.D. (1)

    • Jafari, Foroogh. High power laser combiner and photonic devices for space applications.