Gonghai Liu
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View article: Directly modulated active distributed reflector distributed feedback lasers over wide temperature range operation (−40 to 85°C)
Directly modulated active distributed reflector distributed feedback lasers over wide temperature range operation (−40 to 85°C) Open
We experimentally demonstrated that the distributed feedback (DFB) lasers with the active distributed reflector achieved a 25.8 Gb/s operation over a wide temperature range of ?40 to 85°C. The DFB lasers can achieve additional feedback fro…
View article: Ultrafast speed, large angle, and high resolution optical beam steering using widely tunable lasers
Ultrafast speed, large angle, and high resolution optical beam steering using widely tunable lasers Open
Ultrafast speed, large angle, and high resolution optical beam steering using widely tunable lasers combined with properly cascaded transmission gratings has been demonstrated. An efficacy of 0.26°/nm has been achieved in free space with t…
View article: Experimental demonstration of DFB lasers with active distributed reflector
Experimental demonstration of DFB lasers with active distributed reflector Open
We experimentally demonstrated DFB lasers containing an active distributed reflector that has the same waveguide core as the active section. Although without current injection, the distributed reflector will be optically pumped to near tra…
View article: Optimization algorithm based characterization scheme for tunable semiconductor lasers
Optimization algorithm based characterization scheme for tunable semiconductor lasers Open
In this paper, an optimization algorithm based characterization scheme for tunable semiconductor lasers is proposed and demonstrated. In the process of optimization, the ratio between the power of the desired frequency and the power except…