DocumentCode
2254994
Title
Detuning characteristics of the linewidth enhancement factor of a mid-infrared quantum cascade laser
Author
Kumazaki, N. ; Takagi, Y. ; Ishihara, M. ; Kasahara, K. ; Sugiyama, A. ; Akikusa, N. ; Edamura, T.
Author_Institution
Dept. of Photonics, Ritsumeikan Univ., Shiga
fYear
2008
fDate
4-9 May 2008
Firstpage
1
Lastpage
2
Abstract
The linewidth enhancement factor of a 5.2-mum distributed-feedback quantum cascade laser above the threshold current caused by detuning from the gain peak was investigated. We clearly observed different values for the linewidth enhancement factor.
Keywords
quantum cascade lasers; spectral line breadth; detuning characteristic; linewidth enhancement factor; midinfrared quantum cascade laser; wavelength 5.2 mum; Effective mass; Electronic mail; Laboratories; Light sources; Mirrors; Optical feedback; Optical scattering; Photonics; Quantum cascade lasers; Threshold current; 120.3180; 140.3070; 140.5965;
fLanguage
English
Publisher
iet
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
Type
conf
Filename
4572264
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