Title :
Maximising the Gain and Minimising the Non-Radiative Recombination in 1.3μm Quantum Dot Lasers
Author :
Smowton, P.M. ; Sandall, I.C. ; Walker, C.L. ; Mowbray, D.J. ; Liu, H-Y ; Hopkinson, M.
Author_Institution :
Sch. of Phys. & Astron., Cardiff Univ.
Abstract :
We assess three methods to increase the gain in quantum-dot-lasers based on increasing the number of dots states and increasing the population of the available states by reducing the effect of the wetting layer
Keywords :
laser beams; laser modes; optical losses; quantum dot lasers; spontaneous emission; 1.3 micron; carrier distribution; dots states; gain maximisation; gain measurement; internal optical mode loss; material characteristics; multisegment method; nonradiative recombination; quantum dot lasers; spontaneous emission; wetting layer; Astronomy; Laser theory; Physics; Quantum dot lasers; Quantum well lasers; Radiative recombination; Spontaneous emission; Temperature; Threshold current; US Department of Transportation;
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.2006.1708093