01 January 1970 1 6K Report

How the index profile of high power laser diode have changed from symmetric waveguide(WG) structure to the asymmetric WG? What is the advantage of the asymmetric waveguide structure?

optical loss?, COD threshold level?, resistance?, slope efficiency?, etc.

It would be helpful to get an entire overview of Historical Development of High power laser diode based on GaAs semiconductor.

the image reference : Overview of progress in super high efficiency diodes for pumping high energy lasers

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