Title :
Narrow linewidth generation at 1 THz using cascaded Brillouin fiber lasers and quasi-optic UTC-PD
Author :
Ducournau, Guillaume ; Bacquet, D. ; Szriftgiser, P. ; Pavanello, Fabio ; Peytavit, Emilien ; Zaknoune, Mohammed ; Beck, Andre ; Lampin, J.F.
Author_Institution :
IEMN, Univ. de Lille 1, Villeneuve-d´Ascq, France
Abstract :
Narrow linewidth THz generation using a cascaded Brillouin fibre laser structure and a unitraveling carrier photodiode is proposed. Using two distributed feedback lasers separated by > 1 THz with 1 MHz initial linewidth, the linewidth of the realized THz source is found to be <; 100 Hz at 1014.7 GHz without use of any active stabilization of the laser cavity or any microwave reference.
Keywords :
distributed feedback lasers; fibre lasers; laser cavity resonators; photodiodes; submillimetre wave lasers; terahertz wave generation; THz generation; THz source; cascaded Brillouin fibre laser structure; distributed feedback lasers; frequency 1 THz; frequency 1014.7 GHz; laser cavity; microwave reference; narrow linewidth generation; quasioptic UTC-PD; unitraveling carrier photodiode; Distributed feedback devices; Erbium-doped fiber lasers; Phase noise; Quantum cascade lasers; Scattering; Signal to noise ratio;
Conference_Titel :
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on
Conference_Location :
Tucson, AZ
DOI :
10.1109/IRMMW-THz.2014.6956153
