A device and method for fabricating a high power laser diode device with an output emission with a nearly circular mode profile for efficient coupling into an optical fiber. A vertical taper waveguide and a window tolerance region are formed in a base structure of the device employing successive etching...http://www.google.es/patents/US6052397?utm_source=gb-gplus-sharePatente US6052397 - Laser diode device having a substantially circular light output beam and a method of forming a tapered section in a semiconductor device to provide for a reproducible mode profile of the output beam
Laser diode device having a substantially circular light output beam and a ...
