Title :
Cavity-Enhanced Four-Wave Mixing in Semiconductor Ring Lasers
Author :
Fürst, S. ; Sorel, M.
Author_Institution :
Glasgow Univ., Glasgow
fDate :
3/1/2008 12:00:00 AM
Abstract :
We report on cavity-enhanced four-wave mixing (FWM) in 1.55-mum semiconductor ring lasers (SRLs). External optical injection into one of the cavity modes of the ring laser induces a FWM signal up to detuning frequencies of 1.5 THz. Mode-locked signals at 34.5 GHz with a linewidth as small as 5 kHz were measured. Initial results show similar characteristics with a distributed feedback laser monolithically integrated next to the SRL.
Keywords :
distributed feedback lasers; laser mode locking; multiwave mixing; ring lasers; semiconductor lasers; cavity enhanced four wave mixing; detuning frequencies; distributed feedback laser; external optical injection; frequency 1.5 THz; frequency 34.5 GHz; mode locked signals; semiconductor ring lasers; size 155 mum; Distributed feedback devices; Four-wave mixing; Frequency; Laser feedback; Laser mode locking; Nonlinear optics; Optical feedback; Optical mixing; Ring lasers; Semiconductor lasers; Four-wave mixing (FWM); semiconductor lasers; semiconductor ring lasers (SRLs);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2007.915660
