This paper presents a summary of some of the research activities conducted at the Centre d'optique, photonique et laser from Universite Laval that find applications in the field of optical communications. The subjects considered are: absolute frequency control, compensation of dispersion and nonlinear effects within dense wavelength division multiplexed systems, writing of in-fiber Bragg gratings, optical fast frequency-hopped code division multiple access, gain dynamics in Erbium doped fiber amplifiers, short pulsed emission at high repetition rates, dual wavelength operation of semiconductor lasers, applications of Fourier-transform spectrometers and holographic interconnections.
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