Title :
Photon coupling mechanism in 1.3-μm quantum-dot lasers
Author :
Jin, C.Y. ; Liu, H.Y. ; Groom, K.M. ; Hopkinson, M. ; Badcock, T.J. ; Royce, R.J. ; Mowbray, D.J.
Author_Institution :
Department of Electronic & Electrical Engineering, University of Sheffield, S1 3JD, U. K.
Abstract :
A room-temperature negative characteristic temperature is demonstrated for a p-type modulation doped 1.3-μm quantum dot laser. A photon coupling mechanism is purposed to explain the temperature-dependent Jth for both p-doped and un-doped QD lasers.
Keywords :
Current density; Epitaxial layers; Laser excitation; Laser modes; Laser theory; Optical coupling; Quantum dot lasers; Stationary state; Temperature dependence; Threshold current;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431384