Title :
Longitudinal mode grouping in InGaAs/GaAs/AlGaAs quantum dot lasers: origin and means of control
Author :
O´Reilly, E.P. ; Onischenko, A.I. ; Avrutin, E.A. ; Bhattacharyya, D. ; Marsh, John H.
Author_Institution :
Dept. of Phys., Surrey Univ., Guildford
fDate :
10/15/1998 12:00:00 AM
Abstract :
It is proposed that the recently observed quasi-periodic modulation of the emission spectra of quantum dot lasers is due to interference effects associated with waveguide leakage into the substrate. Such effects could be positively engineered to control laser spectra in such devices
Keywords :
III-V semiconductors; aluminium compounds; gallium arsenide; indium compounds; laser modes; light interference; optical modulation; semiconductor lasers; semiconductor quantum dots; InGaAs-GaAs-AlGaAs; emission spectra; interference effects; laser spectra control; longitudinal mode grouping; quantum dot lasers; quasi-periodic modulation; waveguide leakage;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19981397
