Title :
The impact of strain on the spontaneous emission from self assembled quantum dot laser diodes
Author :
Tan, K.T. ; Wonfor, A. ; Penty, R.V. ; White, I.R. ; Schliwa, A. ; Bimberg, D. ; Kovsh, A.R. ; Ustinov, V.M. ; Zhukov, A.E.
Author_Institution :
Dept. of Eng., Cambridge Univ., UK
Abstract :
The effect of strain in laser diodes with pyramidal quantum dots has been experimentally studied and theoretically modelled. Strongly polarised injection luminescence with extinction ratios as high as 18 dB is observed even at 1% threshold current.
Keywords :
light polarisation; photoluminescence; quantum dot lasers; spontaneous emission; extinction ratios; laser diodes; polarised injection luminescence; pyramidal quantum dots; quantum dot laser diodes; spontaneous emission; strain effect; threshold current; Capacitive sensors; Diode lasers; Gallium arsenide; Laser modes; Laser theory; Optical polarization; Quantum dot lasers; Spontaneous emission; Tellurium; US Department of Transportation;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO '03. Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-748-2
