Title :
Dispersion dependence of linewidth in actively mode-locked ring lasers
Author :
Takada, Akira ; Fujino, Makoto ; Nagano, Shigenori
Author_Institution :
Gen. Eng. & Dev. Div., Topcon Corp., Tokyo, Japan
Abstract :
We numerically and experimentally study the effect of cavity dispersion in actively mode-locked ring lasers. The wavelength-swept laser with quite narrow linewidth is achieved by the combination of anomalous dispersion in a linearly chirped fiber Bragg grating and self-phase modulation-induced spectral broadening in semiconductor optical amplifier. By using this technique, a wavelength sweeping with rate of 120 kHz and range of 40 nm have been successfully demonstrated.
Keywords :
Bragg gratings; laser cavity resonators; laser mode locking; optical fibre dispersion; optical modulation; phase modulation; ring lasers; semiconductor optical amplifiers; spectral line broadening; actively mode locked ring lasers; anomalous dispersion; cavity dispersion; dispersion dependence; frequency 120 kHz; linearly chirped fiber Bragg grating; linewidth; self-phase modulation; semiconductor optical amplifier; spectral broadening; wavelength 40 nm; wavelength sweeping; Chirp; Frequency modulation; Isolators; Laser mode locking; Radio frequency; Wavelength measurement;
Conference_Titel :
Microopics Conference (MOC), 2011 17th
Print_ISBN :
978-1-4577-1344-6
