Title :
High performance MOVPE grown quantum cascade lasers
Author :
Wilson, L.R. ; Green, R.P. ; Revin, D.G. ; Cockburn, J.W. ; Krysa, A. ; Roberts, J.S.
Author_Institution :
Dept. of Phys. & Astron., Sheffield Univ., UK
Abstract :
We report MOVPE-grown quantum cascade lasers operating at /spl lambda/ = 9 /spl mu/m. Threshold current densities as low as 840 Acm/sup -2/ at 12 K, and 3.5 kAcm/sup -2/ at room temperature are measured, comparable with state-of-the-art MBE grown devices.
Keywords :
MOCVD; infrared sources; quantum cascade lasers; semiconductor growth; vapour phase epitaxial growth; waveguide lasers; 12 K; 20 degC; 9 mum; MOVPE; high performance lasers; midinfrared sources; quantum cascade lasers; ridge waveguide lasers; room temperature; threshold current densities;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
