Improved brightness on broad-area single emitter (BASE) modules
2009
In this communication we report on the approaches to increase the brightness of Bookham's latest generations of high
power pump modules. Since the single-emitter laser diode is the essential building block in all module designs, the
optimization of the device design towards higher wall-plug efficiency, higher brightness and better reliability is one
focus of the ongoing development efforts at Bookham. By using an analytical simulation tool critical parameters for
efficient emitter-fiber coupling as the beam divergence and coupling scheme could be identified.
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