Title :
Frequency dependent Henry-factor measurements of quantum dot distributed feedback lasers
Author :
Gerhard, Sven ; Schilling, Christian ; Gerschütz, Florian ; Fischer, Marc ; Koeth, Johannes ; Krestnikov, Igor ; Kovsh, Alexey ; Kamp, Martin ; Höfling, Sven ; Forchel, Alfred
Author_Institution :
Tech. Phys., Univ. Wurzburg, Wurzburg
Abstract :
We present detailed measurements of the Henry factor (linewidth enhancement factor) above and below threshold of a quantum dot laser. Modulation frequency and current dependence of the above-threshold method based on modulation experiments is shown.
Keywords :
distributed feedback lasers; frequency modulation; quantum dot lasers; Henry factor; above-threshold method; linewidth enhancement factor; modulation frequency; quantum dot distributed feedback lasers; Current measurement; Distributed feedback devices; Electronic mail; Frequency dependence; Frequency measurement; Frequency modulation; Laser feedback; Masers; Quantum dot lasers; Semiconductor lasers;
Conference_Titel :
Nano-Optoelectronics Workshop, 2008. i-NOW 2008. International
Conference_Location :
Shonan Village
Print_ISBN :
978-1-4244-2656-0
DOI :
10.1109/INOW.2008.4634562
