Title :
Screening of Piezoelectric Fields in InGaN Quantum Well Laser Structures
Author :
Brown, Iain H. ; Blood, Peter ; Smowton, Peter M. ; Thomson, John D. ; Olaizola, Santiago M. ; Fox, A. Mark ; Parbrook, Peter J. ; Chow, Weng W.
Author_Institution :
Sch. of Phys. & Astron., Cardiff Univ.
Abstract :
By modelling time resolved emission spectra of 3 and 4 nm In0.07Ga0.93N quantum wells we show that injected carriers reduce the internal field to only 70% of its unscreened value at typical laser thresholds
Keywords :
III-V semiconductors; carrier density; gallium compounds; indium compounds; laser beams; piezoelectricity; quantum well lasers; semiconductor quantum wells; time resolved spectra; 3 nm; 4 nm; InGaN; carrier density; carrier injection; laser behaviour; laser threshold; piezoelectric fields; quantum well laser structures; time resolved emission spectra; Astronomy; Charge carrier density; Gallium nitride; Laser theory; Light emitting diodes; Optical buffering; Optical pulses; Physics; Quantum well lasers; Radiative recombination;
Conference_Titel :
Semiconductor Laser Conference, 2006. Conference Digest. 2006 IEEE 20th International
Conference_Location :
Kohala Coast, HI
Print_ISBN :
0-7803-9560-3
DOI :
10.1109/ISLC.2006.1708096
