Title :
Investigation of Linewidth Enhancement Factor for Two Types of Quantum Dot Laser Diode
Author :
Kim, Kyoung Chan ; Yoo, Young Chae ; Jung, Jung Hwa ; Jeong, Jin Wook ; Han, Il Ki ; Lee, Jung Il ; Kim, Dong Ho ; Kim, Tae Geun
Author_Institution :
Nano Device Res. Center, Korea Inst. of Sci. & Technol., Seoul
Abstract :
The linewidth enhancement factor (alpha-factor) for two types of quantum dot (QD) laser diode (LD) was investigated. We observed that the alpha-factor value of the LD with a uniform QD was smaller than that of the chirped QD LD at a lasing wavelength.
Keywords :
quantum dot lasers; spectral line breadth; lasing wavelength; linewidth enhancement factor; quantum dot laser diode; Chirp; Diode lasers; Gallium arsenide; Optical buffering; Optical materials; Performance gain; Quantum dot lasers; Refractive index; Temperature; Threshold current;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391728