Title :
Widely voltage tunable quantum cascade lasers
Author :
Yao, Yu ; Franz, Kale J. ; Wang, Xiaojun ; Fan, Jen-Yu ; Gmachl, Claire F.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
A new Quantum Cascade laser design with a ldquotwo-steprdquo coupling between the injector and the active region provides a voltage tuning range of 200 cm-1 for electroluminescence and 80 cm-1 for laser spectra at room temperature.
Keywords :
electroluminescence; laser beams; laser tuning; optical design techniques; quantum cascade lasers; electroluminescence; laser spectra; quantum cascade laser design; temperature 293 K to 298 K; two-step coupling; voltage tunable laser; Electrons; Laser transitions; Laser tuning; Optical coupling; Optical design; Optical tuning; Quantum cascade lasers; Semiconductor lasers; Tunable circuits and devices; Voltage; (140.3070) Infrared and far-infrared lasers; (140.3600) Lasers, tunable; (140.5960) Semiconductor lasers;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8