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The authors have successfully demonstrated 1??4 MMI array laser diode which is locked in phase achieving power in excess of 400 mW from a single mode output waveguide with slope efficiency of 20 % per facet. Far field measured at FWHM being 16.1?? at 418 mW and remained single lobed as the drive current was increased. This is an improvement over using single ridge waveguide by a factor of three when...
We have successfully demonstared 1x4 MMI array laser diode which is locked in phase achieving power in excess of 400 mW from a single mode output waveguide with slope efficiency of 20 % per facet. Far field measured at FWHM being 16.1deg at 418 mW and remained single lobed. This is an improvement over using single ridge waveguide by a factor of three when the same active length is used
In this paper we have shown the application of QWI to the fabrication of QCW laser bars. Extended reliability has been shown as well as the recent development of higher power bars and stacks.
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