Title :
Coherence in optics and transport in terahertz quantum cascade lasers
Author :
Weber, C. ; Wacker, A.
Author_Institution :
Math. Phys., Lund Univ., Lund
Abstract :
Coherence in optics and transport is investigated for quantum cascade lasers. While coherence provides oscillations in the gain recovery if the tunnel coupling surpasses the broadening, incoherent hopping transport can fail in the opposite case.
Keywords :
light coherence; oscillations; quantum cascade lasers; submillimetre wave lasers; broadening; incoherent hopping transport; optical coherence; oscillations; terahertz quantum cascade lasers; tunnel coupling; Electrons; Laser transitions; Nonlinear optics; Optical films; Optical pumping; Optical scattering; Particle scattering; Quantum cascade lasers; Resonance; Ultrafast optics; (140.5965) Semiconductor lasers, quantum cascade; (190.7110) Ultrafast nonlinear optics;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
