Title :
High-power long-wavelength (/spl lambda//spl sim/11.5 μm) quantum cascade lasers operating above room temperature
Author :
Faist, J. ; Sirtori, C. ; Capasso, F. ; Sivco, D.L. ; Baillargeon, J.N. ; Hutchinson, A.L. ; Cho, A.Y.
Author_Institution :
Bell Labs., Lucent Technol., Murray Hil, NJ, USA
Abstract :
High-temperature operation (T=320 K) of quantum cascade lasers has been extended to 11.5-μm wavelengths with high performances. Peak-pulsed optical power of 55 mW is obtained at 300 K with a high T0=172 K, in good agreement with our theoretical model.
Keywords :
infrared sources; laser theory; laser transitions; quantum well lasers; semiconductor device models; 11.5 mum; 172 K; 300 K; 320 K; 55 mW; high performances; high-power long-wavelength quantum cascade lasers; high-temperature operation; peak-pulsed optical power; room temperature; Gas lasers; Laser modes; Laser theory; Laser transitions; Optical sensors; Power lasers; Quantum cascade lasers; Quantum well lasers; Semiconductor lasers; Temperature;
Journal_Title :
Photonics Technology Letters, IEEE