A novel U-groove distributed feedback (U-DFB) laser structure is reported for the first time. This new U-DFB laser shows threshold current of 34 mA, external total quantum efficiency of 0.4 mW/mA from both facets and side mode suppression ratio of 30 dB.
U-groove distributed-feedback lasers
Laser Diode Technology and Applications II ; 1990 ; Los Angeles,CA,United States
Proc. SPIE ; 1219
1990-05-01
Conference paper
Electronic Resource
English
Semiconducting Polymer Distributed Feedback Lasers
British Library Conference Proceedings | 1997
|Laterally Coupled Distributed-Feedback Lasers
NTRS | 1992
|Wavelength conversion using distributed-feedback lasers
IEEE | 1997
|Design of distributed feedback fibre lasers
British Library Conference Proceedings | 1997
|Dynamic operation of distributed feedback lasers
SPIE | 1995
|